George M Sullivan Generation Plant 2
Natural gas power plant in Anchorage, Alaska. 193.9 MW of nameplate capacity across 3 generators, operated by Chugach Electric Assn Inc.
Also known as George M. Sullivan Generation Plant 2 · EIA plant 6559
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 193.9 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- June 1979First generator online
- Operator
- Chugach Electric Assn IncEIA operator ID 3522
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Anchorage, AK61.2297, −149.7167
- EIA plant ID
- 6559EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power George M Sullivan Generation Plant 2 produces
Free · EIA-923Net generation, 2025
1.77 TWh
1,771,617 MWh, final
Capacity factor, 2025
58.3%
2024: 30.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.4–1.8
TWh a year. Low 2020, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 882,084 | Not reported | 12 of 12 |
| 2001 | 806,593 | Not reported | 12 of 12 |
| 2002 | 739,518 | Not reported | 12 of 12 |
| 2003 | 812,753 | Not reported | 12 of 12 |
| 2004 | 1,002,299 | Not reported | 12 of 12 |
| 2005 | 964,527 | Not reported | 12 of 12 |
| 2006 | 1,280,852 | Not reported | 12 of 12 |
| 2007 | 1,193,354 | Not reported | 12 of 12 |
| 2008 | 1,149,467 | Not reported | 12 of 12 |
| 2009 | 1,004,742 | Not reported | 12 of 12 |
| 2010 | 968,939 | 45.4% | 11 of 12 |
| 2011 | 181,641 | 45.8% | 2 of 12 |
| 2012 | 714,141 | 40.6% | 9 of 12 |
| 2013 | 491,599 | Not reported | 11 of 12 |
| 2014 | 147,085 | 19.2% | 4 of 12 |
| 2015 | 654,142 | 28.0% | 12 of 12 |
| 2016 | 589,738 | Not reported | 12 of 12 |
| 2017 | 803,824 | Not reported | 12 of 12 |
| 2018 | 843,328 | 27.8% | 12 of 12 |
| 2019 | 626,189 | 20.6% | 12 of 12 |
| 2020 | 447,493 | 14.7% | 12 of 12 |
| 2021 | 761,372 | Not reported | 12 of 12 |
| 2022 | 908,598 | 29.9% | 12 of 12 |
| 2023 | 911,296 | 30.0% | 12 of 12 |
| 2024 | 923,250 | 30.3% | 12 of 12 |
| 2025 | 1,771,617 | 58.3% | 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 |
|---|---|---|---|
| 7 | Natural Gas Fired Combustion Turbine | 102.6 | June 1979 |
| 10 | Natural Gas Fired Combined Cycle | 60.4 | February 2017 |
| 11 | Natural Gas Fired Combined Cycle | 30.9 | February 2017 |
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 Chugach 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.
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Power plants near George M Sullivan Generation Plant 2
More plants operated by Chugach Electric Assn Inc
Questions about George M Sullivan Generation Plant 2
How much power does George M Sullivan Generation Plant 2 produce?
George M Sullivan Generation Plant 2 reported 1,771,617 MWh (1.77 TWh) of net generation in 2025, a 58.3% capacity factor on 193.9 MW of nameplate capacity.
Where is George M Sullivan Generation Plant 2?
George M Sullivan Generation Plant 2 is in Anchorage, Alaska, at 61.2297, −149.7167.
Who operates George M Sullivan Generation Plant 2?
EIA-860M for August 2026 lists Chugach Electric Assn Inc as the operator (EIA operator ID 3522). The operator is not always the owner.
When did George M Sullivan Generation Plant 2 start operating?
Its first generator began operating in June 1979, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page