Directory of Power Plants in Hawaii
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| KRS I Anahola Solar Hybrid | Kauai Island Utility Cooperative | Anahola, HI | 20.9 GWh | Jul 2015 | Sep 2025 | Solar | |
| Port Allen Solar | Kaieie Waho Company LLC | Eleele, HI | 8.5 GWh | Nov 2012 | Dec 2024 | Solar | |
| Port Allen (HI) | Kauai Island Utility Cooperative | Eleele, HI | 80.1 GWh | Dec 1963 | Sep 2025 | Distillate Fuel Oil | |
| Kalaeloa Renewable Energy Park | ENI New Energy US Inc | Ewa Beach, HI | 4.3 GWh | Dec 2013 | Dec 2024 | Solar | |
| West Loch Solar One | Hawaiian Electric Co Inc | Ewa Beach, HI | (HECO) | 36.5 GWh | Oct 2019 | Dec 2024 | Solar |
| Kawailoa Wind | Kawailoa Wind LLC | Haleiwa, HI | 91.9 GWh | Oct 2012 | Sep 2025 | Wind | |
| Kawailoa Solar | Kawailoa Solar, LLC | Haleiwa, HI | (HECO) | 74.0 GWh | Oct 2019 | Sep 2025 | Solar |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 210.0 MWh | Mar 2001 | Dec 2024 | Distillate Fuel Oil | |
| Wainiha Hydro | BBCP Kauai Operating LLC | Hanalei, HI | 20.0 GWh | Dec 1905 | Sep 2025 | Water | |
| W H Hill | Hawaii Electric Light Co Inc | Hilo, HI | 105.6 GWh | Nov 1965 | Dec 2024 | Residual Fuel Oil | |
| Wailuku River Hydroelectric | Wailuku Holding Company LLC | Hilo, HI | 17.7 GWh | Apr 1993 | Sep 2025 | Water | |
| Puueo | Hawaii Electric Light Co Inc | Hilo, HI | 4.0 GWh | Nov 1918 | Apr 2025 | Water | |
| Kanoelehua | Hawaii Electric Light Co Inc | Hilo, HI | 11.1 GWh | Dec 1961 | Dec 2024 | Distillate Fuel Oil | |
| Hamakua Energy Plant | Hamakua Energy LP | Honokaa, HI | 68.2 GWh | Jun 2000 | Sep 2025 | Other Biomass Liquids : 65.0% Waste/Other Oil : 35.0% | |
| Kahuku Wind Power LLC | Evergreen Wind, LLC | Honolulu, HI | 59.9 GWh | Feb 2011 | Sep 2025 | Wind | |
| Pearl City Peninsula Solar Park | Altus Power America Management, LLC | Honolulu, HI | (HECO) | 1.2 GWh | Oct 2012 | Dec 2024 | Solar |
| HNL Emergency Power Facility | Hawaiian Electric Co Inc | Honolulu, HI | 5.8 GWh | May 2017 | Dec 2024 | Other Biomass Liquids | |
| Kalaeloa Solar Two | Altus Power America Management, LLC | Honolulu, HI | 7.7 GWh | Nov 2012 | Dec 2024 | Solar | |
| Na Pua Makani Wind Project | Na Pua Makani Power Partners LLC | Kahuku, HI | 97.3 GWh | Nov 2020 | Sep 2025 | Wind | |
| Mauka FIT One | Valta Energy | Kahuku, HI | 3.1 GWh | Sep 2020 | Dec 2024 | Solar | |
| Kuihelani Substation | Maui Electric Co Ltd | Kahului, HI | 2.0 MWh | Jul 2023 | Dec 2024 | Distillate Fuel Oil | |
| Kahului | Maui Electric Co Ltd | Kahului, HI | 157.1 GWh | Apr 1948 | Dec 2024 | Residual Fuel Oil | |
| Keahole | Hawaii Electric Light Co Inc | Kailua Kona, HI | 331.2 GWh | Oct 1984 | Sep 2025 | Distillate Fuel Oil | |
| Kalaheo Hydro | BBCP Kauai Operating LLC | Kalaheo, HI | 2.3 GWh | Dec 1927 | Dec 2024 | Water | |
| Waimea | Hawaii Electric Light Co Inc | Kamuela, HI | 7.3 GWh | Nov 1970 | Dec 2024 | Distillate Fuel Oil | |
| Kapaa Photovoltaic Project | Kapaa Solar LLC | Kapaa, HI | 1.5 GWh | Nov 2010 | Dec 2024 | Solar | |
| Kahe | Hawaiian Electric Co Inc | Kapolei, HI | 2.9 TWh | Feb 1963 | Sep 2025 | Residual Fuel Oil | |
| Campbell Industrial Park | Hawaiian Electric Co Inc | Kapolei, HI | 57.8 GWh | Jun 2009 | Sep 2025 | Distillate Fuel Oil | |
| Kapolei Solar Energy Park | Altus Power America Management, LLC | Kapolei, HI | (HECO) | 1.4 GWh | Jan 2012 | Dec 2024 | Solar |
| Kalaeloa Cogen Plant | Kalaeloa Partners LP | Kapolei, HI | 1.4 TWh | Sep 1989 | Sep 2025 | Residual Fuel Oil : 99.9% | |
| H Power | Covanta Honolulu Resource Recovery | Kapolei, HI | 340.8 GWh | Oct 1989 | Sep 2025 | Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Distillate Fuel Oil : 1.2% | |
| Tesoro Hawaii | PAR Petroleum | Kapolei, HI | (NA) | 157.5 GWh | Nov 1982 | Sep 2025 | Waste/Other Oil : 91.8% Distillate Fuel Oil : 8.2% |
| Gay Robinson | Gay & Robinson Inc | Kaumakani, HI | (NA) | 42.4 GWh | Feb 1982 | Dec 2024 | Water |
| Palaau Power Hybrid | Maui Electric Co Ltd | Kaunakakai, HI | 31.3 GWh | Mar 1982 | Dec 2024 | Distillate Fuel Oil | |
| Mauna Loa Macadamia Nut | Macadamia Nut Road Solar Project 2019 | Keaau, HI | (HECO) | 1.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Puna | Hawaii Electric Light Co Inc | Keaau, HI | 105.9 GWh | Jul 1988 | Dec 2024 | Distillate Fuel Oil : 60.3% Residual Fuel Oil : 39.7% | |
| AES Kekaha Solar, LLC Hybrid | AES Distributed Energy | Kekaha, HI | 26.0 GWh | Nov 2019 | Dec 2024 | Solar | |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 603.0 GWh | Nov 1971 | Sep 2025 | Distillate Fuel Oil | |
| Kihei Solar Farm | South Maui Renewable Resources LLC | Kihei, HI | (HECO) | 352.0 MWh | Apr 2018 | Jun 2024 | Solar |
| KRS II Koloa Solar | Kauai Island Utility Cooperative | Koloa, HI | 19.6 GWh | May 2014 | Sep 2025 | Solar | |
| Biomass to Energy Facility, Kauai | Mahipapa LLC | Koloa, HI | 6.4 GWh | Apr 2014 | Dec 2024 | Agricultural By-Products : 99.8% | |
| Auwahi Wind Energy Hybrid | Auwahi Wind Energy LLC | Kula, HI | 87.2 GWh | Nov 2012 | Dec 2024 | Wind | |
| BYU - Hawaii | SkyHigh 2 Solar | Laie, HI | (HECO) | 5.5 GWh | Oct 2021 | Dec 2024 | Solar |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.1 GWh | Mar 1990 | Dec 2024 | Distillate Fuel Oil | |
| AES Lawai Solar Hybrid | AES Distributed Energy | Lawai, HI | 41.3 GWh | Nov 2018 | Sep 2025 | Solar : 99.3% | |
| KIUC Kapaia PV and BA Storage Project Hy | Tesla Inc. | Lihue, HI | (NA) | 21.0 GWh | Apr 2017 | Dec 2024 | Solar |
| Kapaia Power Station | Kauai Island Utility Cooperative | Lihue, HI | 190.0 GWh | Aug 2002 | Sep 2025 | Other Fuel : 70.6% Distillate Fuel Oil : 20.2% Waste/Other Oil : 9.3% | |
| Kaheawa Pastures Wind Farm Hybrid | Evergreen Wind, LLC | Maalaea, HI | 54.3 GWh | Dec 2005 | Sep 2025 | Wind | |
| Mililani South Solar Farm | Mililani I Solar LLC | Mililani, HI | 64.6 GWh | Jun 2022 | Sep 2025 | Solar | |
| Lanikuhana Solar LLC | Lanikuhana Solar LLC | Mililani, HI | (HECO) | 32.3 GWh | Aug 2019 | Sep 2025 | Solar |
| Waihonu North Solar | Waihonu North LLC | Mililani, HI | 4.5 GWh | Jun 2016 | Dec 2024 | Solar | |
| Waihonu South Solar | Waihonu South LLC | Mililani, HI | 1.3 GWh | Jun 2016 | Dec 2024 | Solar | |
| Pakini Nui Wind Farm | Apollo Energy Corp | Naalehu, HI | 112.0 GWh | Mar 2007 | Sep 2025 | Wind | |
| Puna Geothermal Venture I | Puna Geothermal Venture | Pahoa, HI | 258.9 GWh | Jul 1992 | Dec 2024 | Geothermal | |
| Waiau | Hawaiian Electric Co Inc | Pearl City, HI | 858.9 GWh | Nov 1947 | Sep 2025 | Residual Fuel Oil : 92.6% Distillate Fuel Oil : 7.4% | |
| Schofield Generating Station | Hawaiian Electric Co Inc | Schofield Barracks, HI | (HECO) | 7.3 GWh | May 2018 | Sep 2025 | Other Biomass Liquids : 64.3% Distillate Fuel Oil : 35.7% |
| EE Waianae Solar Project | EE Waianae Solar Project LLC | Waianae, HI | (HECO) | 60.8 GWh | Dec 2016 | Sep 2025 | Solar |
| Aloha Solar Energy Fund 1 PK1 | Altus Power America Management, LLC | Waianae, HI | 6.6 GWh | Feb 2017 | Dec 2024 | Solar | |
| AES Maui Kuihelani Solar Hybrid | AES Distributed Energy | Waikapu, HI | (HECO) | 109.7 GWh | Apr 2024 | Sep 2025 | Solar |
| AES Waikoloa Solar Hybrid | AES Distributed Energy | Waikoloa Village, HI | (HECO) | 61.6 GWh | Mar 2023 | Sep 2025 | Solar : 99.3% |
| Kaheawa Wind Power II LLC | Evergreen Wind, LLC | Wailuku, HI | 47.4 GWh | May 2012 | Sep 2025 | Wind | |
| Hale Kuawehi Solar Hybrid | Hale Kuawehi Solar LLC | Waimea, HI | (HECO) | 47.8 GWh | - | Sep 2025 | Solar |
| Ho'Ohana Solar 1 | Ho'Ohana Solar 1 LLC | Waipahu, HI | (HECO) | 20.2 GWh | - | Sep 2025 | Solar |
| AES West Oahu Solar Hybrid | AES Distributed Energy | Waipahu, HI | (HECO) | 22.6 GWh | Feb 2024 | Sep 2025 | Solar : 99.2% |
| Waiawa Solar Power Hybrid | Waiawa Solar Power LLC | Waipahu, HI | (HECO) | 61.7 GWh | Dec 2022 | Sep 2025 | Solar |
| Waipio Peninsula | Pacific Energy Solutions, LLC | Waipio, HI | (HECO) | 17.5 GWh | Sep 2015 | Dec 2024 | Solar |
| Waipio Solar | Waipio PV, LLC | Waipio, HI | (HECO) | 100.0 GWh | Aug 2019 | Sep 2025 | Solar |
Browse Power Plants By Hawaii Counties
Figures are based on September 2025 generation numbers.| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Honolulu County, HI | # 1 | 48 | 6.5 TWh |
| Hawaii County, HI | # 2 | 20 | 1.1 TWh |
| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Maui County, HI | # 3 | 19 | 1.1 TWh |
| Kauai County, HI | # 4 | 14 | 480.0 GWh |