v3.4.0.3

Acquisition (Details) $ in Millions | Apr. 01, 2016 MW | Feb. 05, 2016 USD ($) MW | Oct. 01, 2015 USD ($)
--- | --- | --- | ---
Granite Ridge Energy Center [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business combination, recognized identifiable assets acquired and liabilities assumed, net | $ |  | $ 500 |
Power generation capacity |  | 745 |
Summer Peaking Capacity |  | 695 |
Crane Champion Holdco, LLC [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Ownership percentage of acquiree |  |  | 75.00%
EDF Trading North America, LLC [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Ownership percentage of acquiree |  |  | 25.00%
Champion Energy Marketing, LLC [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business combination, recognized identifiable assets acquired and liabilities assumed, net | $ |  |  | $ 240
South Point Energy Center [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Summer Peaking Capacity | 504 |  |

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