RISK MANAGEMENT AND DERIVATIVE FINANCIAL INSTRUMENTS (Details 3) (USD $)	12 Months Ended
Dec. 31, 2014 MWh
Transmission congestion rights (TCR) - 2015
Procurement guidelines
Monthly MWH Hedged	3,483.00
Monthly MWH Hedged, estimated fair value	$ 3,899,526
Electric \| Natural Gas Usage - 2015
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	63.00%
Dth Hedged Physical	1,550,000
Dth Hedged Financial	4,510,000
Average Price (in dollars per dth)	4.351
Electric \| Natural Gas Usage - 2016
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	43.00%
Dth Hedged Physical	1,976,000
Dth Hedged Financial	2,100,000
Average Price (in dollars per dth)	4.103
Electric \| Natural Gas Usage - 2017
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	20.00%
Dth Hedged Physical	782,900
Dth Hedged Financial	1,300,000
Average Price (in dollars per dth)	4.133
Electric \| Natural Gas Usage - 2018
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	11.00%
Dth Hedged Physical	456,000
Dth Hedged Financial	500,000
Average Price (in dollars per dth)	4.202
Electric \| Current Year Procurement Guidelines
Procurement guidelines
Maximum flexibility to hedge any future year's expected requirements (as a percent)	80.00%
Maximum percentage of volume to be hedged in any given month	100.00%
Electric \| First Year Procurement Guidelines
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	60.00%
Electric \| Second Year Procurement Guidelines
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	40.00%
Electric \| Third Year Procurement Guidelines
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	20.00%
Electric \| Fourth Year Procurement Guidelines
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	10.00%
Electric \| High end of range \| Current Year Procurement Guidelines
Volumes and percentage of anticipated volume of natural gas usage
% Hedged	100.00%

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Represents the maximum flexibility to hedge any future year's expected requirements.

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Maximum percentage of volume to be hedged in any given month.

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Represents the aggregate notional amount of derivative expressed in nonmonetary units.

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Nominal volume used to calculate payments on a derivative instrument.

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The notional amount of financial derivatives expressed in nonmonetary units.

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

The average forward price on the group of price risk forward or futures contracts, such as gas futures contracts.

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The percentage of expected requirements covered by the aggregate notional amount of derivative contracts expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract as a percentage of expected need.

+ References

No definition available.

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