KRS II Koloa Solar
Solar power plant in Kauai County, Hawaii. 12 MW of nameplate capacity across 1 generator, operated by Kauai Island Utility Cooperative.
Also known as KIUC Koloa Solar · EIA plant 58640
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 12 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 2014First generator online
- Operator
- Kauai Island Utility CooperativeEIA operator ID 10071
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Kauai County, HI21.9008, −159.4500
- EIA plant ID
- 58640EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power KRS II Koloa Solar produces
Free · EIA-923Net generation, 2025
19.2 GWh
19,176 MWh, final
Capacity factor, 2025
18.2%
2024: 18.8%
January to July 2026
10.4 GWh
Provisional
Range, 2015 to 2025
18.0–22.5
GWh a year. Low 2015, high 2016
| 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 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | 10,412 | 22.5% | 5 of 12 |
| 2015 | 18,014 | 17.1% | 12 of 12 |
| 2016 | 22,527 | 21.4% | 12 of 12 |
| 2017 | 21,813 | 20.8% | 12 of 12 |
| 2018 | 18,497 | Not reported | 12 of 12 |
| 2019 | 3,034 | 17.9% | 2 of 12 |
| 2020 | 21,025 | 19.9% | 12 of 12 |
| 2021 | 20,561 | 19.6% | 12 of 12 |
| 2022 | 21,413 | 20.4% | 12 of 12 |
| 2023 | 20,734 | 19.7% | 12 of 12 |
| 2024 | 19,812 | 18.8% | 12 of 12 |
| 2025 | 19,176 | 18.2% | 12 of 12 |
| 2026 (provisional, partial year) | 10,440 | 17.1% | 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. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| KOLPV | Solar Photovoltaic | 12.0 | August 2014 |
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.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near KRS II Koloa Solar
More plants operated by Kauai Island Utility Cooperative
Questions about KRS II Koloa Solar
How much power does KRS II Koloa Solar produce?
KRS II Koloa Solar reported 19,176 MWh (19.2 GWh) of net generation in 2025, a 18.2% capacity factor on 12 MW of nameplate capacity. From January to July 2026 it reported 10.4 GWh, which is provisional.
Where is KRS II Koloa Solar?
KRS II Koloa Solar is in Kauai County, Hawaii, at 21.9008, −159.4500.
Who operates KRS II Koloa Solar?
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 KRS II Koloa Solar start operating?
Its first generator began operating in August 2014, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page