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List of power stations in Hawaii
From Wikipedia, the free encyclopedia
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This is a list of electricity-generating power stations in the U.S. state of Hawaii, sorted by type and name. In 2023, Hawaii had a total summer capacity of 3,222 MW through all of its power plants, and a net generation of 9,194 GWh.[2] The utility-scale electrical energy generation mix in 2024 was 76.4% petroleum-derived fuels, 8% solar, 7.2% wind, 2.7% biomass, 2.7% geothermal, 1.1% hydroelectric, and 1.8% other.[1] Hawaii's one geothermal plant, which previously supplied about 2% of the state's and 10% of the Big Island's electricity, was offline during 2019 to repair damage from the 2018 lower Puna eruption. The plant came back online in late 2020, slowly ramping up to its full operational level.[3]
Sources of Hawaii's utility-scale electricity generation in gigawatt-hours, :full-year 2024[1]
- Petroleum: 7,011 (76.4%)
- Solar: 736 (8.02%)
- Wind: 662 (7.22%)
- Biomass: 251 (2.74%)
- Geothermal: 248 (2.70%)
- Hydroelectric: 101 (1.10%)
- Other: 164 (1.79%)
Small-scale distributed solar including customer-owned photovoltaic panels delivered an additional 1,575 GWh to the six separate electrical grids serving Hawaii's major islands in 2024.[1] This was more than twice the amount generated by the state's utility-scale photovoltaic plants. Considering large and small installations together, solar produced almost one-fifth of Hawaii's electricity in 2023. In 2021, solar energy accounted for three-fifths of Hawaii's electricity generation by renewables.
The state's renewable portfolio standard is the most ambitious in the U.S. at 30% of capacity by 2020, ramping to 100% by 2045. The large dependence on imported petroleum liquids contributes to Hawaii having the highest average retail electricity prices of any U.S. state.[3] The island of Hawaii generates 52.1% renewable energy and reached a peak of 92.3% on April 25, 2023.[4]
Hawaii power grid
Hawaii electricity production by type
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Fossil-fuel power stations
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Data from the U.S. Energy Information Administration serves as a general reference.[5]
Coal
Hawaii closed its last coal-fired power plant in September 2022.[6] AES Hawai‘i was a 180 MW coal-fired power plant.[4]
Petroleum
A Campbell burned biomass liquids exclusively from 2011 to 2017, and shifted to primarily burn distillate fuel oil by 2019.[10]
B Kapaia station's GE LM2500 gas turbine primarily burned jet fuel from its commissioning until 2008 and has since shifted to burn a mixture of other petroleum distillates.[11]
Retired
Natural gas
Hawaii had no utility-scale power plants primarily fueled by fossil gas in 2024.
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Renewable power stations
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Data from the U.S. Energy Information Administration serves as a general reference.[5]
Biomass and municipal waste
Geothermal
A The plant was shut down shortly after the start of the May 2018 lower Puna eruption.[17][18] The plant was repaired and back online by late 2020.
Hydroelectric
Solar photovoltaic
Wind
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Nuclear power stations
Hawaii had no utility-scale power plants fueled by fissile material in 2024.
Battery storage facilities
A Battery storage power stations stabilize an electrical grid against fluctuations in solar and wind generation for periods extending from less than a minute to as long as several hours.[36]
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See also
References
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