Kalaeloa Cogen Plant
Honolulu County, Hawaii · EIA plant ID 54646 · Operator: Kalaeloa Partners LP
Nameplate299MWSummer 220 MW
Generators3in service
Net generation1,365GWh12 mo to Aug 2026
Capacity factor71%gas/coal/oil units, summer MW
Heat rate8,107Btu/kWhfossil units, electric fuel, HHV
First online1989Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 1,345 | — | — |
| 2002 | 1,324.4 | — | — |
| 2003 | 1,354.8 | 85.9% | 4,759 |
| 2004 | 1,327.8 | 84.0% | 4,591 |
| 2005 | 1,523.7 | 81.3% | 4,591 |
| 2006 | 1,419.6 | 75.7% | 4,591 |
| 2007 | 1,412.7 | 75.4% | 4,591 |
| 2008 | 1,402.1 | 74.6% | 4,465 |
| 2009 | 1,480.9 | 79.0% | 4,453 |
| 2010 | 1,438.5 | 76.7% | 4,453 |
| 2011 | 1,445.7 | 77.1% | 4,453 |
| 2012 | 1,324.2 | 70.4% | 4,453 |
| 2013 | 1,414.8 | 73.4% | 4,453 |
| 2014 | 1,309.6 | 68.0% | 4,457 |
| 2015 | 1,367.8 | 71.0% | 4,453 |
| 2016 | 1,295.4 | 67.0% | 7,935 |
| 2017 | 1,329.9 | 69.0% | 7,935 |
| 2018 | 1,280.5 | 66.4% | 7,935 |
| 2019 | 1,261.3 | 65.5% | 8,119 |
| 2020 | 1,111.3 | 57.5% | 8,117 |
| 2021 | 1,187.2 | 61.6% | 8,126 |
| 2022 | 1,220 | 63.3% | 8,122 |
| 2023 | 1,305.2 | 67.7% | 8,110 |
| 2024 | 1,390.7 | 72.0% | 8,105 |
| 2025 | 1,424 | 73.9% | 8,103 |
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 |
|---|---|---|---|---|---|---|---|---|
| CT1 | Petroleum Liquids | CT | 119.2 | 85 | Oct 1989 | Operating | — | coming soon |
| CT2 | Petroleum Liquids | CT | 119.2 | 85 | Jan 1991 | Operating | — | coming soon |
| ST | Petroleum Liquids | CA | 61 | 50 | Mar 1991 | Operating | — | coming soon |
Owner / operator
Operator: Kalaeloa Partners LP. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Harbert Power, LLC | 100.0% | 299 MW |
Nearby plants
Within 80 km.
| H Power | 100 MW | 0.3 km |
| Tesoro Hawaii | 20 MW | 0.5 km |
| Campbell Industrial Park | 113 MW | 0.6 km |
| Campbell Industrial Park BESS | retired | 1 km |
| AES Hawaii | retired | 1.1 km |
| Kalaeloa Home Lands Solar | — | 1.4 km |