Kapaia Power Station
Other fuels power plant in Kauai County, Hawaii. 39.1 MW of nameplate capacity across 1 generator, operated by Kauai Island Utility Cooperative.
Also known as EIA plant 56258
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 39.1 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2002First generator online
- Operator
- Kauai Island Utility CooperativeEIA operator ID 10071
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Kauai County, HI21.9965, −159.3758
- EIA plant ID
- 56258EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Kapaia produces
Free · EIA-923Net generation, 2025
190 GWh
190,113 MWh, final
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
102 GWh
Provisional
Range, 2015 to 2025
146.5–192.3
GWh a year. Low 2021, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | 195,708 | Not reported | 12 of 12 |
| 2005 | 211,678 | Not reported | 12 of 12 |
| 2006 | 217,056 | Not reported | 12 of 12 |
| 2007 | 220,310 | Not reported | 12 of 12 |
| 2008 | 216,262 | Not reported | 12 of 12 |
| 2009 | 215,583 | Not reported | 12 of 12 |
| 2010 | 219,139 | 64.0% | 12 of 12 |
| 2011 | 211,971 | 61.9% | 12 of 12 |
| 2012 | 20,736 | Not reported | 1 of 12 |
| 2013 | 206,287 | 60.2% | 12 of 12 |
| 2014 | 210,818 | 61.5% | 12 of 12 |
| 2015 | 179,989 | 52.5% | 12 of 12 |
| 2016 | 182,128 | 53.0% | 12 of 12 |
| 2017 | 185,155 | 54.1% | 12 of 12 |
| 2018 | 192,263 | 56.1% | 12 of 12 |
| 2019 | 174,281 | 50.9% | 12 of 12 |
| 2020 | 35,210 | 41.7% | 3 of 12 |
| 2021 | 146,477 | Not reported | 12 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | 178,995 | 52.3% | 12 of 12 |
| 2024 | 18,397 | Not reported | 1 of 12 |
| 2025 | 190,113 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 102,185 | 51.4% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CT1 | All Other | 39.1 | September 2002 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Kauai Island Utility Cooperative as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
300 analyst questions a month, plus MCP
Query Kapaia Power Station and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Kapaia
More plants operated by Kauai Island Utility Cooperative
Questions about Kapaia
How much power does Kapaia Power Station produce?
Kapaia Power Station reported 190,113 MWh (190 GWh) of net generation in 2025. From January to July 2026 it reported 102 GWh, which is provisional.
Where is Kapaia Power Station?
Kapaia Power Station is in Kauai County, Hawaii, at 21.9965, −159.3758.
Who operates Kapaia Power Station?
EIA-860M for August 2026 lists Kauai Island Utility Cooperative as the operator (EIA operator ID 10071). The operator is not always the owner.
When did Kapaia Power Station start operating?
Its first generator began operating in September 2002, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page