KahuluiRetirement planned
Maui County, Hawaii · EIA plant ID 6056 · Operator: Maui Electric Co Ltd
Nameplate34MWSummer 32 MW
Generators4in service
Net generation152GWh12 mo to Dec 2025
Capacity factor54%gas/coal/oil units, summer MW
Heat rate14,856Btu/kWhfossil units, electric fuel, HHV
First online1948Runs as baseload
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 | 222.1 | 79.2% | 14,594 |
| 2002 | 236.3 | 84.3% | 14,059 |
| 2003 | 225.2 | 79.6% | 14,348 |
| 2004 | 227.3 | 80.1% | 14,539 |
| 2005 | 224.1 | 79.2% | 14,598 |
| 2006 | 228.3 | 80.7% | 14,376 |
| 2007 | 195 | 68.9% | 15,200 |
| 2008 | 202.7 | 71.5% | 14,409 |
| 2009 | 205.3 | 72.5% | 14,419 |
| 2010 | 192.1 | 67.9% | 14,367 |
| 2011 | 176.6 | 62.2% | 14,321 |
| 2012 | 166.9 | 58.6% | 14,076 |
| 2013 | 120.6 | 42.5% | 14,673 |
| 2014 | 126.4 | 44.5% | 14,633 |
| 2015 | 100.1 | 35.3% | 14,935 |
| 2016 | 123.7 | 43.5% | 14,988 |
| 2017 | 161 | 56.7% | 14,752 |
| 2018 | 154.1 | 54.3% | 14,610 |
| 2019 | 162.6 | 57.3% | 14,869 |
| 2020 | 131.1 | 46.1% | 15,258 |
| 2021 | 132.7 | 46.7% | 15,163 |
| 2022 | 159 | 56.0% | 14,971 |
| 2023 | 140 | 49.3% | 14,959 |
| 2024 | 157.1 | 55.2% | 14,535 |
| 2025 | 152.1 | 53.6% | 14,856 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Petroleum Liquids | ST | 5 | 4.7 | May 1948 | Operating · retirement planned | Dec 2028 | coming soon |
| 2 | Petroleum Liquids | ST | 5 | 4.8 | Dec 1949 | Operating · retirement planned | Dec 2028 | coming soon |
| 3 | Petroleum Liquids | ST | 11.5 | 11 | Apr 1954 | Operating · retirement planned | Dec 2028 | coming soon |
| 4 | Petroleum Liquids | ST | 12.5 | 11.9 | Oct 1966 | Operating · retirement planned | Dec 2028 | coming soon |
Owner / operator
Operator: Maui Electric Co Ltd. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Maui Electric Co Ltd | 100.0% | 34 MW |
Nearby plants
Within 80 km.
| Kuihelani Substation | 1 MW | 4.1 km |
| AES Maui Kuihelani Solar Hybrid | 120 MW | 6.3 km |
| Kaheka Hydro | 5 MW | 11 km |
| Maalaea | 230 MW | 11.1 km |
| Kuihelani Phase 2 | — | 11.1 km |
| Kihei Solar Farm | 3 MW | 11.9 km |