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SEC Filing Details

10-K
NRG ENERGY, INC. filed this Form 10-K on 03/01/2018
Entire Document
 


NRG Yield gross margin and economic gross margin
NRG Yield gross margin decreased $22 million and economic gross margin decreased $28 million for the year ended December 31, 2017, compared to the same period in 2016, primarily due to a 5% decrease in volume generated at our Alta Wind and NRG Wind TE Holdco projects, due to lower wind resources.

Mark-to-market for Economic Hedging Activities
Mark-to-market for economic hedging activities includes asset-backed hedges that have not been designated as cash flow hedges. Total net mark-to-market results increased by $327 million during the year ended December 31, 2017, compared to the same period in 2016.
The breakdown of gains and losses included in operating revenues and operating costs and expenses by region was as follows:
 
Year Ended December 31, 2017
 
Generation
 
 
 
 
 
 
 
 
 
Gulf Coast
 
East/West
 
Retail
 
Renewables
 
 
Elimination (a)
 
Total
 
(In millions)
Mark-to-market results in operating revenues
 
 
 
 
 
 
 
 
 
 
 
 
Reversal of previously recognized unrealized losses/(gains) on settled positions related to economic hedges
$
107

 
$
(40
)
 
$
(2
)
 
$
1

 
 
$
64

 
$
130

Net unrealized (losses)/gains on open positions related to economic hedges
(35
)
 
5

 
(2
)
 
(13
)
 
 
154

 
109

Total mark-to-market gains/(losses) in operating revenues
$
72

 
$
(35
)
 
$
(4
)
 
$
(12
)
 
 
$
218

 
$
239

Mark-to-market results in operating costs and expenses
 
 
 
 
 
 
 
 
 
 
 
 
Reversal of previously recognized unrealized gains on settled positions related to economic hedges
$
(17
)
 
$
(1
)
 
$
(1
)
 
$

 
 
$
(64
)
 
$
(83
)
Net unrealized (losses)/gains on open positions related to economic hedges
(3
)
 
12

 
182

 

 
 
(154
)
 
37

Total mark-to-market (losses)/gains in operating costs and expenses
$
(20
)
 
$
11

 
$
181

 
$

 
 
$
(218
)
 
$
(46
)
(a)
Represents the elimination of the intercompany activity between Retail and Generation.

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