Power plant · EIA plant code 91
Petersburg
- Operator
- Petersburg Borough - (AK)
- Location
- Wrangell Petersburg, AK (county level only)
- Balancing authority
- Not reported
- Nameplate capacity
- 14.7 MW
- Summer capacity
- 12.6 MW
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
Generation in 2025
- Net generation
- 14,386 MWh
- Capacity factor
- 11.2%
Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Oct 31, 2026.
Emissions
- Carbon dioxide in 2023
- 564 metric tons
- Carbon dioxide per MWh
- 1,593 lb/MWh
eGRID reports 621 short tons. One short ton is 0.90718474 metric tons.
Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.
U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Jan 31, 2026. Last checked for an update: Oct 31, 2026.
Generators
| Generator | Technology | Energy source | Nameplate | Operating since | Status |
|---|---|---|---|---|---|
| 4 | Conventional Hydroelectric | WAT | 1.8 MW | 2023 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC1 | Petroleum Liquids | DFO | 2.6 MW | 1972 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC3 | Petroleum Liquids | DFO | 1.2 MW | 1965 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC4 | Petroleum Liquids | DFO | 0.6 MW | 1979 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC5 | Petroleum Liquids | DFO | 0.8 MW | 1979 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC6 | Petroleum Liquids | DFO | 2.6 MW | 1993 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC7 | Petroleum Liquids | DFO | 2.6 MW | 2001 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
| IC8 | Petroleum Liquids | DFO | 2.5 MW | 2012 | Operable · As of September 2026 (EIA-860M): (OP) Operating |
U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Nov 23, 2026. Last checked for an update: Oct 31, 2026.