George M Sullivan Generation Plant 2 — Plant Summary
- EIA Plant ID
- 6559
- Capacity
- 346.9 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle, Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Anchorage, AK
- Operating Since
- 1979
- Generators
- 5
- Operator
- Chugach Electric Assn Inc
- Parent Company
- —
- Annual Generation
- 923,250.02 MWh
- Capacity Factor
- 30.3%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
George M Sullivan Generation Plant 2
OperatingNatural GasHybrid
Ranked #1 of 13 Natural Gas plants in AK#599 of 2009 nationally
346.9 MW Natural Gas Fired Combined Cycle (152 MW) + Natural Gas Fired Combustion Turbine (195 MW) operating in Anchorage, AK
EIAWD
346.9 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
1979
Operating Since
Location
Coordinates
61.2297, -149.7167
County
Anchorage, AK
Nearby Plants
- Hank Nikkels Plant 1Natural Gas77.9 MW · 8.0 km
- Southcentral Power ProjectNatural Gas203.9 MW · 12.3 km
- International Battery Substation (IBSS)BESS40 MW · 12.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Chugach Electric Assn Inc | — | — |
| Owner(s) | Chugach Electric Assn Inc | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The George M Sullivan Generation Plant 2, located in Anchorage County, Alaska, has a total capacity of 346.9 MW. The plant, which began operating in 1979, is owned and operated by Chugach Electric Assn Inc. It is fueled primarily by natural gas and utilizes both natural gas-fired combined cycle and natural gas-fired combustion turbine technologies, classifying it as a hybrid plant. The facility consists of 5 generators.
In the most recent year with available data, the plant generated 923,250 MWh of electricity, operating at a capacity factor of 30.3%. The George M Sullivan Generation Plant 2 is ranked as the largest of 4 natural gas plants in Alaska, and 601st out of 945 similar plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
Generation
87.0K MWh
Latest Month
923.3K MWh
Annual Generation
30.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (6)Beta
Industry·technology
Startups Pitch Solutions at Launch Alaska Tech Deployment Track
Innovators in energy, environment, and “power cycling” seek potential customers via Launch Alaska's nonprofit accelerator.
Launch Alaska (other)
Alaska Business Magazine·6 months ago
Grid·outage
Enstar president warns of natural gas shortfall, delayed solutions for Southcentral Alaska
Power interruptions could be a problem in the coming years, said Enstar president John Sims, echoing the...
Enstar (operator)John Sims (executive)
Anchorage Daily News·2 years ago
Industry·corporate
How an expensive mistake created an opening to merge Anchorage utilities
The illogical competition between Southcentral Alaska electric utilities could be partly resolved by voters in April.
Southcentral Alaska (other)
Anchorage Daily News·8 years ago
Deals·m and a
Anchorage mayor proposes to sell ML&P to Chugach Electric in $1 billion deal
Anchorage Mayor Ethan Berkowitz is proposing to sell the city-owned power company that serves the downtown core, Midtown and parts of East Anchorage to Chugach...
Anchorage (seller)ML&P (seller)
Anchorage Daily News·8 years ago
Last updated 2026-03-14
View all 6 articles