Nikiski Combined Cycle
Natural gas power plant in Kenai Peninsula, Alaska. 80.8 MW of nameplate capacity across 2 generators, operated by Homer Electric Assn Inc.
Also known as EIA plant 55966
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 80.8 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- September 1986First generator online
- Operator
- Homer Electric Assn IncEIA operator ID 19558
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Kenai Peninsula, AK60.6765, −151.3777
- EIA plant ID
- 55966EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Nikiski Combined Cycle produces
Free · EIA-923Net generation, 2025
445 GWh
444,986 MWh, final
Capacity factor, 2025
62.9%
2024: 58.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
239.5–452.7
GWh a year. Low 2019, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 0 | Not reported | 12 of 12 |
| 2003 | 284,722 | Not reported | 12 of 12 |
| 2004 | 307,863 | Not reported | 12 of 12 |
| 2005 | 296,572 | Not reported | 12 of 12 |
| 2006 | 264,026 | Not reported | 12 of 12 |
| 2007 | 331,829 | Not reported | 12 of 12 |
| 2008 | 319,760 | Not reported | 12 of 12 |
| 2009 | 294,953 | Not reported | 12 of 12 |
| 2010 | 265,248 | 79.9% | 12 of 12 |
| 2011 | 276,289 | 83.2% | 12 of 12 |
| 2012 | 239,080 | 71.8% | 12 of 12 |
| 2013 | 263,113 | Not reported | 12 of 12 |
| 2014 | 371,284 | Not reported | 12 of 12 |
| 2015 | 395,023 | Not reported | 12 of 12 |
| 2016 | 398,898 | 58.3% | 12 of 12 |
| 2017 | 452,731 | Not reported | 12 of 12 |
| 2018 | 404,744 | 57.2% | 12 of 12 |
| 2019 | 239,545 | 33.8% | 12 of 12 |
| 2020 | 404,839 | 57.0% | 12 of 12 |
| 2021 | 399,354 | 56.4% | 12 of 12 |
| 2022 | 432,139 | 61.1% | 12 of 12 |
| 2023 | 416,835 | 58.9% | 12 of 12 |
| 2024 | 414,785 | 58.4% | 12 of 12 |
| 2025 | 444,986 | 62.9% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GT1 | Natural Gas Fired Combined Cycle | 40.8 | September 1986 |
| ST1 | Natural Gas Fired Combined Cycle | 40.0 | July 2013 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Homer Electric Assn Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
300 analyst questions a month, plus MCP
Query Nikiski Combined Cycle and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Nikiski Combined Cycle
More plants operated by Homer Electric Assn Inc
Questions about Nikiski Combined Cycle
How much power does Nikiski Combined Cycle produce?
Nikiski Combined Cycle reported 444,986 MWh (445 GWh) of net generation in 2025, a 62.9% capacity factor on 80.8 MW of nameplate capacity.
Where is Nikiski Combined Cycle?
Nikiski Combined Cycle is in Kenai Peninsula, Alaska, at 60.6765, −151.3777.
Who operates Nikiski Combined Cycle?
EIA-860M for August 2026 lists Homer Electric Assn Inc as the operator (EIA operator ID 19558). The operator is not always the owner.
When did Nikiski Combined Cycle start operating?
Its first generator began operating in September 1986, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page