Petersburg — Plant Summary
- EIA Plant ID
- 91
- Capacity
- 14.7 MW
- Primary Fuel
- Oil
- Technology
- Conventional Hydroelectric, Petroleum Liquids
- Status
- Operating
- Location
- Wrangell Petersburg, AK
- Operating Since
- 1965
- Generators
- 8
- Operator
- Petersburg Borough - (AK)
- Parent Company
- —
- Annual Generation
- 13,002.99 MWh
- Capacity Factor
- 10.1%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Petersburg
OperatingDistillate OilHydroHybrid
Ranked #16 of 93 Distillate Oil plants in AK#204 of 827 nationally
14.7 MW Conventional Hydroelectric (2 MW) + Petroleum Liquids (13 MW) operating in Wrangell Petersburg, AK
EIAWD
14.7 MW
Nameplate Capacity
8
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Petroleum Liquids
1965
Operating Since
Location
Coordinates
56.8110, -132.9571
County
Wrangell Petersburg, AK
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Petersburg Borough - (AK) | — | — |
| Owner(s) | Petersburg Borough - (AK) | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Petersburg plant, located in Wrangell Petersburg County, Alaska, is a hybrid power plant utilizing both conventional hydroelectric and petroleum liquids. Operated by Petersburg Borough, the plant has a total capacity of 14.7 MW distributed across 8 generators. It primarily runs on Distillate Fuel Oil (DFO). The plant began operating in 1965.
Petersburg's latest annual generation was 13,003 MWh, resulting in a capacity factor of 10.1%. The plant is ranked 16th out of 95 power plants in Alaska, and 246th out of 886 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
24.9 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
1.0K MWh
Latest Month
13.0K MWh
Annual Generation
10.1%
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 (10)Beta
Industry·partnership
Trump ally ties up with Russia's Novatek on natural gas in Alaska, NYT reports
American financier Gentry Beach, who has ties to U.S. President Donald Trump's family, signed an agreement with Russia's energy giant...
Novatek (other)Gentry Beach (other)
Reuters·3 weeks ago
Hazards·extreme cold
Southeast Alaska Extreme Snowfall
Northern Southeast Alaska experience historic snowfall the last days of December as persistent moist southwest flow aloft rode up and over...
Southeast Alaska (other)
Substack·2 months ago
Hazards·flooding
In photos: Residents of western Alaska share storm damage of ex-Typhoon Halong
As morning light hit flooded communities devastated by the remnants of Typhoon Halong on Sunday, local residents snapped photos of the storm...
Typhoon Halong (other)Alaska (other)
Alaska Beacon·5 months ago
General
In photos: Residents of western Alaska share storm damage of ex-Typhoon Halong
As morning light hit flooded communities devastated by the remnants of Typhoon Halong on Sunday, local residents snapped photos of the storm...
Alaska Beacon·5 months ago
Last updated 2026-03-14
View all 10 articles