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SEC Filing Details

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

Operational Statistics
The following are industry statistics for the Company's fossil and nuclear plants, as defined by the NERC, and are more fully described below:
Annual Equivalent Availability Factor, or EAF — Measures the percentage of maximum generation available over time as the fraction of net maximum generation that could be provided over a defined period of time after all types of outages and deratings, including seasonal deratings, are taken into account.
Net Heat Rate — The net heat rate represents the total amount of fuel in BTU required to generate one net kWh provided.
Net Capacity Factor — The net amount of electricity that a generating unit produces over a period of time divided by the net amount of electricity it could have produced if it had run at full power over that time period. The net amount of electricity produced is the total amount of electricity generated minus the amount of electricity used during generation.
The tables below present these performance metrics for the Company's global power generation portfolio, including leased facilities and those accounted for through equity method investments, for the years ended December 31, 2017 and 2016:
 
Year Ended December 31, 2017
 
 
 
 
 
Fossil and Nuclear Plants
 
Net Owned
Capacity (MW)
 
Net Generation (MWh) (In thousands) (b)
 
Annual Equivalent Availability Factor
 
Average Net Heat Rate BTU/kWh
 
Net Capacity
Factor
 
 
 
 
 
 
 
 
 
 
Generation
 
 
 
 
 
 
 
 
 
Gulf Coast
13,714

 
49,573

 
89.5
%
 
10,106

 
38.9
%
East/West
12,451

 
13,373

 
85.4

 
10,757

 
12.2

Renewables
1,565

 
3,836

 
94.7

 

 
38.2

NRG Yield (a)
5,247

 
10,686

 
95.5

 
8,938

 
21.4

 
Year Ended December 31, 2016
 
 
 
 
 
Fossil and Nuclear Plants
 
Net Owned
Capacity (MW)
 
Net Generation (MWh) (In thousands) (b)
 
Annual Equivalent Availability Factor
 
Average Net Heat Rate BTU/kWh
 
Net Capacity
Factor
 
 
Generation
 
 
 
 
 
 
 
 
 
Gulf Coast
14,085

 
47,827

 
88.2
%
 
10,028

 
38.6
%
East/West
12,519

 
17,114

 
78.3

 
10,258

 
15.7

Renewables
1,788

 
3,827

 
96.9

 

 
35.3

NRG Yield (a)
3,310

 
11,230

 
96.6

 
8,848

 
22.6

(a)
NRG Yield includes thermal generation.
(b)
Net generation excludes equity method investments.

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