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SEC Filing Details

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

Operations and Maintenance Expense

Generation

Retail

Renewables

NRG Yield

Corporate

Eliminations



Gulf Coast

East/West






Total

(In millions)
Year Ended December 31, 2017
$
515


$
371


$
222


$
118


$
196


$
15


$
(44
)

$
1,393

Year Ended December 31, 2016
$
577


$
488


$
245


$
122


$
176


$
27


$
(36
)

$
1,599

Operations and maintenance expenses decreased by $206 million for the year ended December 31, 2017, compared to the same period in 2016, due to the following:
 
(In millions)
Decrease in operation and maintenance expenses due to major maintenance activities and environmental control work at Midwest Generation offset by higher variable operating costs
$
(96
)
Decrease in operations and maintenance expenses due to timing of planned outages in Texas
(32
)
Decrease in operations and maintenance expenses due to lower expenses at Big Cajun II in 2017
(24
)
Decrease in operations and maintenance expenses due to the deactivation of the Huntley and Dunkirk facilities in 2016
(18
)
Decrease in Retail operation and maintenance expenses due to reduced headcount
(22
)
Decrease in operations and maintenance expense due to a reduction in headcount related to the sale of the engine services business
(10
)
Operations and maintenance expense increased due to forced outages at Walnut Creek and El Segundo in 2017
20

Other
(24
)
 
$
(206
)

Other Cost of Operations

Generation
Retail

Renewables

NRG Yield

Corporate



Gulf Coast

East/West





Total

(In millions)
Year Ended December 31, 2017
$
101


$
76


$
100


$
21


$
67


$


$
365

Year Ended December 31, 2016
$
95


$
66


$
93


$
20


$
65


$
1


$
340

Other cost of operations, increased by $25 million for the year ended December 31, 2017, compared to the same period in 2016.
 
(In millions)
Increase in asset retirement expenses of $18 million in the East, offset by a reduction in property taxes at Huntley and Dunkirk
$
10

Increase in expense due to a $10 million sales tax audit settlement received in 2016, offset slightly by a decrease in gross receipt taxes in 2017
7

Increase of $14 million in reclamation expenses at the Jewett Mine, offset by favorable tax assessments related to coal plants in Texas
4

Other
4

 
$
25



76