Miki Basin
Oil power plant in Maui County, Hawaii. 10.4 MW of nameplate capacity across 8 generators, operated by Maui Electric Co Ltd.
Also known as Miki Basin Power Plant · EIA plant 7264
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 10.4 MWNameplate
- Generators
- 8 operatingEIA-860M, August 2026
- Operating since
- April 1990First generator online
- Operator
- Maui Electric Co LtdEIA operator ID 11843
- Grid
- Not reported
- Price nodes
- None linkedNo verified ISO node
- Location
- Maui County, HI20.7900, −156.9342
- EIA plant ID
- 7264EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Miki Basin produces
Free · EIA-923Net generation, 2025
35.7 GWh
35,723 MWh, final
Capacity factor, 2025
39.2%
2024: 38.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
23.8–36.2
GWh a year. Low 2015, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 28,757 | Not reported | 12 of 12 |
| 2001 | 28,466 | Not reported | 12 of 12 |
| 2002 | 28,598 | Not reported | 12 of 12 |
| 2003 | 29,609 | Not reported | 12 of 12 |
| 2004 | 29,204 | Not reported | 12 of 12 |
| 2005 | 29,406 | Not reported | 12 of 12 |
| 2006 | 30,160 | Not reported | 12 of 12 |
| 2007 | 32,286 | Not reported | 12 of 12 |
| 2008 | 30,441 | Not reported | 12 of 12 |
| 2009 | 25,008 | Not reported | 12 of 12 |
| 2010 | 19,533 | 21.4% | 12 of 12 |
| 2011 | 19,595 | 21.5% | 12 of 12 |
| 2012 | 17,789 | 19.5% | 12 of 12 |
| 2013 | 20,970 | 23.0% | 12 of 12 |
| 2014 | 20,206 | 22.2% | 12 of 12 |
| 2015 | 23,810 | 26.1% | 12 of 12 |
| 2016 | 29,069 | 31.8% | 12 of 12 |
| 2017 | 28,220 | 31.0% | 12 of 12 |
| 2018 | 28,731 | 31.5% | 12 of 12 |
| 2019 | 31,226 | 34.3% | 12 of 12 |
| 2020 | 32,034 | 35.1% | 12 of 12 |
| 2021 | 35,632 | 39.1% | 12 of 12 |
| 2022 | 36,176 | 39.7% | 12 of 12 |
| 2023 | 35,068 | 38.5% | 12 of 12 |
| 2024 | 35,081 | 38.4% | 12 of 12 |
| 2025 | 35,723 | 39.2% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 |
|---|---|---|---|
| LL1 | Petroleum Liquids | 1.0 | April 1990 |
| LL2 | Petroleum Liquids | 1.0 | April 1990 |
| LL3 | Petroleum Liquids | 1.0 | April 1990 |
| LL4 | Petroleum Liquids | 1.0 | April 1990 |
| LL5 | Petroleum Liquids | 1.0 | April 1990 |
| LL6 | Petroleum Liquids | 1.0 | April 1990 |
| LL7 | Petroleum Liquids | 2.2 | October 1996 |
| LL8 | Petroleum Liquids | 2.2 | October 1996 |
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 Maui Electric Co Ltd 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.
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Power plants near Miki Basin
More plants operated by Maui Electric Co Ltd
Questions about Miki Basin
How much power does Miki Basin produce?
Miki Basin reported 35,723 MWh (35.7 GWh) of net generation in 2025, a 39.2% capacity factor on 10.4 MW of nameplate capacity.
Where is Miki Basin?
Miki Basin is in Maui County, Hawaii, at 20.7900, −156.9342.
Who operates Miki Basin?
EIA-860M for August 2026 lists Maui Electric Co Ltd as the operator (EIA operator ID 11843). The operator is not always the owner.
When did Miki Basin start operating?
Its first generator began operating in April 1990, 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