Orca
Valdez-Cordova County, Alaska · EIA plant ID 789 · Operator: Cordova Electric Coop, Inc
×4 MW oil retired since 2020 (latest Jun 2024)
Nameplate9MWSummer 9 MW
Generators4in service
Net generation4GWh12 mo to Dec 2025
Capacity factor6%gas/coal/oil units, summer MW
Heat rate10,323Btu/kWhfossil units, electric fuel, HHV
First online1984Runs as peaking
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 20.8 | 33.4% | 10,114 |
| 2002 | 10.1 | 16.3% | 10,321 |
| 2003 | 8.3 | 13.4% | 9,858 |
| 2004 | 7.2 | 11.5% | 10,354 |
| 2005 | 6 | 9.7% | 10,230 |
| 2006 | 11.6 | 18.6% | 10,197 |
| 2007 | 11.3 | 18.1% | 10,170 |
| 2008 | 10.7 | 17.2% | 9,788 |
| 2009 | 10.5 | 13.4% | 10,038 |
| 2010 | 8.3 | 8.8% | 11,608 |
| 2011 | 10.3 | 10.9% | 9,961 |
| 2012 | 10.8 | 11.5% | 10,053 |
| 2013 | 9.1 | 9.7% | 10,469 |
| 2014 | 7.6 | 8.1% | 9,591 |
| 2015 | 7.7 | 8.3% | 10,148 |
| 2016 | 5.6 | 5.9% | 10,054 |
| 2017 | 8.7 | 9.2% | 10,190 |
| 2018 | 7 | 7.5% | 10,314 |
| 2019 | 6.1 | 6.6% | 10,853 |
| 2020 | 7.9 | 8.4% | 10,118 |
| 2021 | 8.1 | 8.6% | 10,031 |
| 2022 | 6.7 | 7.1% | 11,513 |
| 2023 | 6.3 | 6.6% | 15,353 |
| 2024 | 4.2 | 4.9% | 11,610 |
| 2025 | 4.3 | 5.7% | 10,323 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 3 | Petroleum Liquids | IC | 2.5 | 2.5 | Oct 1984 | Operating | — | coming soon |
| 5 | Petroleum Liquids | IC | 1.1 | 1.1 | Mar 2000 | Operating (Out of service, expected back within the year) | — | coming soon |
| 6A | Petroleum Liquids | IC | 1.5 | 1.5 | Jun 2023 | Operating | — | coming soon |
| 7 | Petroleum Liquids | IC | 3.6 | 3.6 | Jul 2009 | Operating | — | coming soon |
| 4 | Petroleum Liquids | IC | 2.4 | 2.4 | Oct 1984 | Retired Jun 2024 | — | coming soon |
| 6 | Petroleum Liquids | IC | 1.1 | 1.1 | Mar 2000 | Retired Jun 2023 | — | coming soon |
Owner / operator
Operator: Cordova Electric Coop, Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Cordova Electric Coop, Inc | 100.0% | 9 MW |
Nearby plants
Within 80 km.
| Eyak Service Center BESS | 1 MW | 1.8 km |
| Humpback Creek | 1 MW | 7.5 km |
| Power Creek | 6 MW | 8.9 km |
| Valdez Cogen | 5 MW | 64.7 km |
| Solomon Gulch | 12 MW | 65.7 km |
| Allison Creek Hydro | 7 MW | 67.2 km |