2.4.0.8300090 - Disclosure - DERIVATIVE INSTRUMENTS (Tables)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0000072741duration2013-01-01T00:00:002013-06-30T00:00:001true 1nu_NotesToConsolidatedFinancialStatementsAbstractnu_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Notes To Consolidated Financial Statements [Abstract]2false 2us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td colspan="8" style="width: 415px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:415px;">As of June 30, 2013</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td colspan="2" style="width: 129px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:129px;">Commodity Supply and</td><td style="width: 14px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:14px;"> </td><td colspan="2" style="width: 128px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:128px;"> </td><td style="width: 15px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 129px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:129px;">Net Amount Recorded as</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">(Millions of Dollars)</td><td colspan="2" style="width: 129px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:129px;">Price Risk Management</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td colspan="2" style="width: 128px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:128px;">Netting (1)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 129px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:129px;">Derivative Asset/(Liability) (2)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Current Derivative Assets:</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Level 2:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other (1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;">0.4</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;">0.4</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Level 3:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P (1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 17.4</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (10.2)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 7.2</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 1.5</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 1.5</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Total Current Derivative Assets</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 19.3</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (10.2)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 9.1</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Long-Term Derivative Assets:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Level 3: </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P (1)</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 143.2</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (53.9)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 89.3</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Total Long-Term Derivative Assets</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 143.2</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (53.9)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 89.3</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Current Derivative Liabilities:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Level 2:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">PSNH (1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (1.5)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (1.5)</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other (1) (3)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (10.3)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (10.3)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Level 3:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (95.2)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (95.2)</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">NSTAR Electric</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (1.6)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (1.6)</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">WMECO</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (0.4)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (0.4)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Total Current Derivative Liabilities</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (109.0)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (109.0)</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Long-Term Derivative Liabilities:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Level 3:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (777.1)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (777.1)</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">NSTAR Electric</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (11.5)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (11.5)</td></tr><tr style="height: 10px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">WMECO</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (0.3)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (0.3)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 230px; text-align:left;border-color:#000000;min-width:230px;">Total Long-Term Derivative Liabilities</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (788.9)</td><td style="width: 14px; text-align:left;border-color:#000000;min-width:14px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (788.9)</td></tr></table></div><div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td colspan="8" style="width: 417px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:417px;">As of December 31, 2012</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td colspan="2" style="width: 129px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:129px;">Commodity Supply and</td><td style="width: 15px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 129px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:129px;"> </td><td style="width: 15px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 129px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:129px;">Net Amount Recorded as</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">(Millions of Dollars)</td><td colspan="2" style="width: 129px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:129px;">Price Risk Management</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 129px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:129px;">Netting (1)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 129px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:129px;">Derivative Asset/(Liability) (2)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Current Derivative Assets:</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 2:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other (1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 0.2</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 0.2</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 3:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P (1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 17.7</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (12.0)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 5.7</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 5.5</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 5.5</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Total Current Derivative Assets</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 23.4</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (12.0)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 11.4</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Long-Term Derivative Assets:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 3: </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P (1)</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 159.7</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (69.1)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 90.6</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Total Long-Term Derivative Assets</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 159.7</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (69.1)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 90.6</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Current Derivative Liabilities:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 2:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other (1) (3)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (19.9)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> 0.6</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (19.3)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 3:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (96.9)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (96.9)</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">NSTAR Electric</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (1.0)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (1.0)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Total Current Derivative Liabilities</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (117.8)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> 0.6</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (117.2)</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Long-Term Derivative Liabilities:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 2:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Other (1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (0.2)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (0.2)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Level 3:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:left;border-color:#000000;min-width:119px;"> </td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">CL&P </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (865.6)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (865.6)</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">NSTAR Electric</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (13.9)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; text-align:right;border-color:#000000;min-width:119px;"> (13.9)</td></tr><tr style="height: 10px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">WMECO</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (3.0)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 119px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (3.0)</td></tr><tr style="height: 10px"><td colspan="2" style="width: 229px; text-align:left;border-color:#000000;min-width:229px;">Total Long-Term Derivative Liabilities</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (882.7)</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> - </td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 119px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:119px;"> (882.7)</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value Text Block3false 2us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 11px"><td colspan="2" style="width: 220px; text-align:center;border-color:#000000;min-width:220px;">Location of Amounts</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="13" style="width: 450px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:450px;">Amounts Recognized on Derivatives</td></tr><tr style="height: 11px"><td colspan="2" style="width: 220px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:220px;">Recognized on Derivatives</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="6" style="width: 220px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:220px;">For the Three Months Ended June 30, </td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="6" style="width: 220px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:220px;">For the Six Months Ended June 30, </td></tr><tr style="height: 11px"><td colspan="2" style="width: 220px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:220px;">(Millions of Dollars)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 100px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:100px;">2013</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 100px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:100px;">2012</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 100px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:100px;">2013</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 100px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:100px;">2012</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td></tr><tr style="height: 11px"><td colspan="2" style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">NU</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td></tr><tr style="height: 11px"><td colspan="2" style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Balance Sheet:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td></tr><tr style="height: 11px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 210px; text-align:left;border-color:#000000;min-width:210px;">Regulatory Assets</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> 22.2</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> (40.8)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> 50.1</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> (33.5)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td></tr><tr style="height: 11px"><td colspan="2" style="width: 220px; text-align:left;border-color:#000000;min-width:220px;">Statement of Income:</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:left;border-color:#000000;min-width:90px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td></tr><tr style="height: 11px"><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 210px; text-align:left;border-color:#000000;min-width:210px;">Purchased Power, Fuel and Transmission</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> 0.5</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> (0.2)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> 0.8</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 90px; text-align:right;border-color:#000000;min-width:90px;"> (1.0)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 false0Schedule Of Derivative Instruments Gain Loss In Statement Of Financial Performance Text Block4false 2nu_ScheduleOfCreditRiskContingentFeaturesTableTextBlocknu_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;"> </td><td colspan="8" style="width: 300px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:300px;">As of June 30, 2013</td><td style="width: 15px; text-align:center;border-color:#000000;min-width:15px;"> </td><td colspan="8" style="width: 306px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:306px;">As of December 31, 2012</td></tr><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 87px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:87px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 80px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:80px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 97px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:97px;">Additional Collateral</td><td style="width: 15px; text-align:center;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 88px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:88px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 80px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:80px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 99px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:99px;">Additional Collateral</td></tr><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;"> </td><td colspan="2" style="width: 96px; text-align:center;border-color:#000000;min-width:96px;">Fair Value Subject </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 80px; text-align:left;border-color:#000000;min-width:80px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 97px; text-align:center;border-color:#000000;min-width:97px;">Required if</td><td style="width: 15px; text-align:center;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 98px; text-align:center;border-color:#000000;min-width:98px;">Fair Value Subject </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 80px; text-align:left;border-color:#000000;min-width:80px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 99px; text-align:center;border-color:#000000;min-width:99px;">Required if</td></tr><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;"> </td><td colspan="2" style="width: 96px; text-align:center;border-color:#000000;min-width:96px;">to Credit Risk</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 89px; text-align:center;border-color:#000000;min-width:89px;">Cash </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 97px; text-align:center;border-color:#000000;min-width:97px;">Downgraded Below</td><td style="width: 15px; text-align:center;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 98px; text-align:center;border-color:#000000;min-width:98px;">to Credit Risk</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 89px; text-align:center;border-color:#000000;min-width:89px;">Cash </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 99px; text-align:center;border-color:#000000;min-width:99px;">Downgraded Below</td></tr><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;">(Millions of Dollars)</td><td colspan="2" style="width: 96px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:96px;">Contingent Features</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 89px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:89px;">Collateral Posted</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 97px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:97px;">Investment Grade</td><td style="width: 15px; text-align:center;border-color:#000000;min-width:15px;"> </td><td colspan="2" style="width: 98px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:98px;">Contingent Features</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 89px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:89px;">Collateral Posted</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 99px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:99px;">Investment Grade</td></tr><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;">NU</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 87px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:87px;"> (9.7)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 80px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:80px;"> - </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 88px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:88px;"> 11.4</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 88px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:88px;"> (15.3)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 80px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:80px;"> - </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 89px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:89px;"> 17.4</td></tr><tr style="height: 10px"><td style="width: 104px; text-align:left;border-color:#000000;min-width:104px;">PSNH</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 87px; text-align:right;border-color:#000000;min-width:87px;"> (1.5)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 80px; text-align:right;border-color:#000000;min-width:80px;"> - </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 88px; text-align:center;border-color:#000000;min-width:88px;"> 2.5</td><td style="width: 15px; text-align:left;border-color:#000000;min-width:15px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 88px; text-align:right;border-color:#000000;min-width:88px;">0</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 80px; text-align:right;border-color:#000000;min-width:80px;">0</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 89px; text-align:right;border-color:#000000;min-width:89px;">0</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaSchedule of derivative liabilities with credit risk contingent features, related collateral posted and additional collateral required if downgraded below investment gradeNo definition available.false0Schedule Of Credit Risk Contingent Features [Table Text Block]5false 2nu_RollforwardOfNetDerivativeAssetLiabilitiesValuedUsingUnobservableInputsTableTextBlocknu_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 11px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 240px; text-align:left;border-color:#000000;min-width:240px;"> </td><td colspan="5" style="width: 198px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:198px;">For the Three Months Ended</td><td style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"> </td><td colspan="5" style="width: 198px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:198px;">For the Six Months Ended</td></tr><tr style="height: 11px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 240px; text-align:left;border-color:#000000;min-width:240px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">June 30, 2013</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">June 30, 2012</td><td style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">June 30, 2013</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">June 30, 2012</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">(Millions of Dollars)</td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">NU</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">NU</td><td style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">NU</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 94px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:94px;">NU</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Derivatives, Net: </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:84px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:84px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:84px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:84px;"> </td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Fair Value as of Beginning of Period</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (833.1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (901.5)</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (878.6)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (962.2)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Liabilities Assumed due to Merger with NSTAR</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> - </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (5.4)</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> - </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (5.4)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Transfer to Level 2</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> - </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> - </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> - </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> 32.2</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Net Realized/Unrealized Gains/(Losses) Included in: </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:left;border-color:#000000;min-width:84px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:left;border-color:#000000;min-width:84px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:left;border-color:#000000;min-width:84px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:left;border-color:#000000;min-width:84px;"> </td></tr><tr style="height: 11px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 240px; text-align:left;border-color:#000000;min-width:240px;"> Net Income</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> 1.3</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (0.7)</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> 7.1</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> 7.4</td></tr><tr style="height: 11px"><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 240px; text-align:left;border-color:#000000;min-width:240px;"> Regulatory Assets</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> 22.7</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (42.6)</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> 48.9</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; text-align:right;border-color:#000000;min-width:84px;"> (35.4)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Settlements</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> 21.0</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> 18.1</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> 34.5</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 84px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> 31.3</td></tr><tr style="height: 11px"><td colspan="2" style="width: 249px; text-align:left;border-color:#000000;min-width:249px;">Fair Value as of End of Period</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> (788.1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> (932.1)</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> (788.1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 84px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:84px;"> (932.1)</td></tr></table></div><div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;"> </td><td colspan="17" style="width: 533px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:533px;">For the Three Months Ended</td></tr><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;"> </td><td colspan="8" style="width: 247px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:247px;">June 30, 2013</td><td style="width: 17px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:17px;"> </td><td colspan="8" style="width: 269px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:269px;">June 30, 2012</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">(Millions of Dollars)</td><td colspan="2" style="width: 64px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:64px;">CL&P</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 87px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:87px;">NSTAR Electric</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 77px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:77px;">WMECO</td><td style="width: 17px; text-align:center;border-color:#000000;min-width:17px;"> </td><td colspan="2" style="width: 75px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:75px;">CL&P</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 88px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:88px;">NSTAR Electric(1)</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 88px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:88px;">WMECO</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Derivatives, Net: </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:78px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:76px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:76px;"> </td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Fair Value as of Beginning of Period</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> (819.6)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 78px; text-align:right;border-color:#000000;min-width:78px;"> (13.6)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; text-align:left;border-color:#000000;min-width:13px;">$</td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> (1.8)</td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; text-align:left;border-color:#000000;min-width:11px;">$</td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> (899.6)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (5.4)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (12.3)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Net Realized/Unrealized Gains/(Losses)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; text-align:left;border-color:#000000;min-width:78px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:left;border-color:#000000;min-width:76px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:left;border-color:#000000;min-width:76px;"> </td></tr><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;">Included in Regulatory Assets</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> 21.9</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; text-align:right;border-color:#000000;min-width:78px;"> (0.5)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> 1.1</td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> (31.8)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (9.6)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (1.2)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Settlements</td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:55px;"> 21.9</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:78px;"> 1.0</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> - </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> 20.7</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> (0.8)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> - </td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Fair Value as of End of Period</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:55px;"> (775.8)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 78px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:78px;"> (13.1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:13px;">$</td><td style="width: 64px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> (0.7)</td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:11px;">$</td><td style="width: 64px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> (910.7)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> (15.8)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> (13.5)</td></tr><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:78px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:76px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:76px;"> </td></tr><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;"> </td><td colspan="17" style="width: 533px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:533px;">For the Six Months Ended</td></tr><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;"> </td><td colspan="8" style="width: 247px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:247px;">June 30, 2013</td><td style="width: 17px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:17px;"> </td><td colspan="8" style="width: 269px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:269px;">June 30, 2012</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">(Millions of Dollars)</td><td colspan="2" style="width: 64px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:64px;">CL&P</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 87px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:87px;">NSTAR Electric</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="2" style="width: 77px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:77px;">WMECO</td><td style="width: 17px; text-align:center;border-color:#000000;min-width:17px;"> </td><td colspan="2" style="width: 75px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:75px;">CL&P</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 88px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:88px;">NSTAR Electric(1)</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 88px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:88px;">WMECO</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Derivatives, Net: </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:78px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:76px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:76px;"> </td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Fair Value as of Beginning of Period</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> (866.2)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 78px; text-align:right;border-color:#000000;min-width:78px;"> (14.9)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; text-align:left;border-color:#000000;min-width:13px;">$</td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> (3.0)</td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; text-align:left;border-color:#000000;min-width:11px;">$</td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> (931.6)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (3.4)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (7.3)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Net Realized/Unrealized Gains/(Losses)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; text-align:left;border-color:#000000;min-width:78px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:left;border-color:#000000;min-width:76px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:left;border-color:#000000;min-width:76px;"> </td></tr><tr style="height: 11px"><td style="width: 7px; text-align:left;border-color:#000000;min-width:7px;"> </td><td style="width: 200px; text-align:left;border-color:#000000;min-width:200px;">Included in Regulatory Assets</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> 46.3</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; text-align:right;border-color:#000000;min-width:78px;"> 0.2</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> 2.3</td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> (21.0)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (10.2)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; text-align:right;border-color:#000000;min-width:76px;"> (6.2)</td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Settlements</td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:55px;"> 44.1</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 78px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:78px;"> 1.6</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:13px;"> </td><td style="width: 64px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> - </td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:11px;"> </td><td style="width: 64px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> 41.9</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> (2.2)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 76px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> - </td></tr><tr style="height: 11px"><td colspan="2" style="width: 207px; text-align:left;border-color:#000000;min-width:207px;">Fair Value as of End of Period</td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:55px;"> (775.8)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;">$</td><td style="width: 78px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:78px;"> (13.1)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 13px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:13px;">$</td><td style="width: 64px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> (0.7)</td><td style="width: 17px; text-align:left;border-color:#000000;min-width:17px;"> </td><td style="width: 11px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:11px;">$</td><td style="width: 64px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:64px;"> (910.7)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> (15.8)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 76px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:76px;"> (13.5)</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaSchedule of Rollforward of fair value measurements of derivatives valued using unobservable inputs.No definition available.false0Rollforward Of Net Derivative Asset Liabilities Valued Using Unobservable Inputs [Table Text Block]6false 2us-gaap_FairValueInputsLiabilitiesQuantitativeInformationTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> </td><td colspan="3" style="width: 241px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:241px;">As of June 30, 2013</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td colspan="3" style="width: 241px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:241px;">As of December 31, 2012</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> </td><td style="width: 151px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:151px;">Range</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:80px;">Period Covered</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:151px;">Range</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:80px;">Period Covered</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;">Energy Prices:</td><td style="width: 151px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; border-top-style:solid;border-top-width:1px;text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> NU</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$44 - $93 per MWh</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2018 - 2028</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$43 - $90 per MWh</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2018 - 2028</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> CL&P</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$51 - $56 per MWh</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2018 - 2020</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$50 - $55 per MWh</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2018 - 2020</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> WMECO</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$44 - $93 per MWh</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2018 - 2028</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$43 - $90 per MWh</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2018 - 2028</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;">Capacity Prices:</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> NU</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $10.53 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2017 - 2028</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $10.53 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2016 - 2028</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> CL&P</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $9.51 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2017 - 2026</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $9.83 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2016 - 2026</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> NSTAR Electric</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $3.39 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2017 - 2019</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $3.39 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2016 - 2019</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> WMECO</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $10.53 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2017 - 2028</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$1.40 - $10.53 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2016 - 2028</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;">Forward Reserve:</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> NU, CL&P</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$3.00 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2024</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$0.35 - $0.90 per kW-Month</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2024</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;">REC Prices:</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;"> </td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> NU</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$25 - $85 per REC</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2028</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$25 - $85 per REC</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2028</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> NSTAR Electric</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$25 - $71 per REC</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2018</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$25 - $71 per REC</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2018</td></tr><tr style="height: 9px"><td style="width: 120px; text-align:left;border-color:#000000;min-width:120px;"> WMECO</td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$25 - $85 per REC</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2028</td><td style="width: 31px; text-align:left;border-color:#000000;min-width:31px;"> </td><td style="width: 151px; text-align:left;border-color:#000000;min-width:151px;">$25 - $85 per REC</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 80px; text-align:center;border-color:#000000;min-width:80px;">2013 - 2028</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of quantitative information about the inputs used in the fair value measurement of liabilities. This disclosure may include, but is not limited to, the fair value of the liability, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false0FairvalueinputsliabilitiesquantitativeinformationtabletextblockfalseDERIVATIVE INSTRUMENTS (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.nu.com/role/DisclosureDERIVATIVEINSTRUMENTSTables16