2.4.0.8008110 - Disclosure - RETIREMENT PLAN AND POST-RETIREMENT BENEFITS (Tables)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0000741508duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_CompensationAndRetirementDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Compensation and Retirement Disclosure [Abstract]2false 2us-gaap_ScheduleOfNetBenefitCostsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">NVE</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Pension Benefits</td><td style="width: 10px; 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="4" style="width: 230px; text-align:center;border-color:#000000;min-width:230px;">Other Postretirement Benefits</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:230px;">For the Three Months Ended June 30,</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:230px;">For the Three Months Ended June 30,</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td><td style="width: 10px; text-align:center;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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">5,132</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">4,406</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;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">660</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">595</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Interest cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">9,303</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: 105px; text-align:right;border-color:#000000;min-width:105px;">10,228</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: 105px; text-align:right;border-color:#000000;min-width:105px;">1,677</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: 105px; text-align:right;border-color:#000000;min-width:105px;">1,905</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Expected return on plan assets</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(12,708)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(12,447)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,687)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,563)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of prior service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(720)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(724)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(952)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(987)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of net loss</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">4,797</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">3,473</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">890</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">731</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Net periodic benefit cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">5,804</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">4,936</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:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">588</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">681</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Pension Benefits</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Other Postretirement Benefits</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:240px;">For the Six Months Ended June 30,</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="5" style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:240px;">For the Six Months Ended June 30,</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td><td style="width: 10px; text-align:center;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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">10,264</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">8,813</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;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,320</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,191</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Interest cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">18,607</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: 105px; text-align:right;border-color:#000000;min-width:105px;">20,456</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: 105px; text-align:right;border-color:#000000;min-width:105px;">3,353</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: 105px; text-align:right;border-color:#000000;min-width:105px;">3,810</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Expected return on plan assets</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(25,416)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(24,894)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(3,373)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(3,126)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of prior service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,441)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,448)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,905)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,974)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of net loss</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">9,594</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">6,945</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,781</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,462</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Net periodic benefit cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">11,608</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">9,872</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:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">1,176</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">1,363</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td colspan="13" style="width: 720px; text-align:left;border-color:#000000;min-width:720px;">The average percentage of NVE net periodic costs capitalized during 2013 and 2012 was 34.6% and 34.6%, respectively.</td></tr></table></div><div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">NPC</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; text-align:center;border-color:#000000;min-width:230px;"> </td><td style="width: 10px; 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="4" style="width: 230px; text-align:center;border-color:#000000;min-width:230px;"> </td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Pension Benefits</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Other Postretirement Benefits</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:230px;">For the Three Months Ended June 30,</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:230px;">For the Three Months Ended June 30,</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td><td style="width: 10px; text-align:center;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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">2,761</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">2,358</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;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">389</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">350</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Interest cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">4,453</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: 105px; text-align:right;border-color:#000000;min-width:105px;">4,881</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: 105px; text-align:right;border-color:#000000;min-width:105px;">556</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: 105px; text-align:right;border-color:#000000;min-width:105px;">602</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Expected return on plan assets</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(6,270)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(6,237)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(631)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(592)</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of prior service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(453)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(456)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(23)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">229</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of net loss</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">2,117</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,363</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">289</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">221</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Net periodic benefit cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">2,608</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">1,909</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:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">580</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">810</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Pension Benefits</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Other Postretirement Benefits</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:230px;">For the Six Months Ended June 30,</td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td colspan="4" style="width: 230px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:230px;">For the Six Months Ended June 30,</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td><td style="width: 10px; text-align:center;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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">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 style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:105px;">2012</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">5,522</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">4,715</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;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">778</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">700</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Interest cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">8,905</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: 105px; text-align:right;border-color:#000000;min-width:105px;">9,762</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: 105px; text-align:right;border-color:#000000;min-width:105px;">1,111</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: 105px; text-align:right;border-color:#000000;min-width:105px;">1,205</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Expected return on plan assets</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(12,540)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(12,474)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,261)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,183)</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of prior service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(905)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(912)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(46)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">458</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of net loss</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">4,234</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">2,726</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">578</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">441</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Net periodic benefit cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">5,216</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">3,817</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:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">1,160</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">1,621</td></tr><tr style="height: 13px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 13px"><td colspan="13" style="width: 720px; text-align:left;border-color:#000000;min-width:720px;">The average percentage of NPC net periodic costs capitalized during 2013 and 2012 was 35.7% and 36.6%, respectively.</td></tr></table></div><div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">SPPC</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Pension Benefits</td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Other Postretirement Benefits</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:240px;">For the Three Months Ended June 30,</td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="5" style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:240px;">For the Three Months Ended June 30,</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="2" style="width: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">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: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">2012</td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">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: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">2012</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,926</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,695</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">251</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">227</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Interest cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">4,558</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: 105px; text-align:right;border-color:#000000;min-width:105px;">5,043</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">1,104</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: 105px; text-align:right;border-color:#000000;min-width:105px;">1,283</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Expected return on plan assets</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(6,162)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(5,937)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,022)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(941)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of prior service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(277)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(277)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(933)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,220)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of net loss</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">2,501</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">2,026</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">592</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">504</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Net periodic benefit cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">2,546</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">2,550</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">(8)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">(147)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:center;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:left;border-color:#000000;min-width:105px;"> </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: 105px; text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Pension Benefits</td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="5" style="width: 240px; text-align:center;border-color:#000000;min-width:240px;">Other Postretirement Benefits</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="5" style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:240px;">For the Six Months Ended June 30,</td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="5" style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:240px;">For the Six Months Ended June 30,</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td colspan="2" style="width: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">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: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">2012</td><td style="width: 9px; text-align:center;border-color:#000000;min-width:9px;"> </td><td colspan="2" style="width: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">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: 115px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:115px;">2012</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">3,852</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">3,391</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">501</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:105px;">455</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Interest cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">9,117</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: 105px; text-align:right;border-color:#000000;min-width:105px;">10,086</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">2,207</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: 105px; text-align:right;border-color:#000000;min-width:105px;">2,566</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Expected return on plan assets</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(12,324)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(11,875)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(2,043)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,882)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of prior service cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(554)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(554)</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; text-align:right;border-color:#000000;min-width:105px;">(1,866)</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: 105px; text-align:right;border-color:#000000;min-width:105px;">(2,439)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Amortization of net loss</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">5,001</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">4,052</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,185</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: 105px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">1,007</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;">Net periodic benefit cost</td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">5,092</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">5,100</td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">(16)</td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:left;border-color:#000000;min-width:10px;">$</td><td style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:105px;">(293)</td></tr><tr style="height: 10px"><td style="width: 225px; text-align:left;border-color:#000000;min-width:225px;"> </td><td style="width: 5px; text-align:left;border-color:#000000;min-width:5px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 105px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:105px;"> </td></tr><tr style="height: 10px"><td colspan="13" style="width: 719px; text-align:left;border-color:#000000;min-width:719px;">The average percentage of SPPC net periodic costs capitalized during 2013 and 2012 was 35.6% and 34.5%, respectively.</td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Schedule of Net Benefit Costs [Table Text Block]falseRETIREMENT PLAN AND POST-RETIREMENT BENEFITS (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://nvenergy.com/role/DisclosureRETIREMENTPLANANDPOSTRETIREMENTBENEFITSTables12