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Hawaii

Other accounts for 66% of Hawaii's 9,477 GWh of generation.

Where they are

Every announced project in Hawaii with a recorded location; 12 sites.

Other66%Solar28%Wind6%Other (<2.5% each)0%
Generation ledger by fuel
FuelGWhShareYoY
Other6,25966.0%↓ 0.3
Solar2,65828.1%↑ 1.3
Wind5355.6%↓ 0.8
Hydro250.3%↓ 0.2

13-month trend

Wind
Solar
Hydro
Other

What’s standing

The 8 largest of 226 operating generators; 3.7 GW total capacity.

  • Kapolei Energy StorageStorage · Kapolei Energy Storage I, LLC185 MW2023
  • KaheOther · Hawaiian Electric Co Inc135 MW1981
  • KaheOther · Hawaiian Electric Co Inc135 MW1974
  • Kalaeloa Cogen Plant, unit CC1Other · Kalaeloa Partners LP119 MW1989
  • Kalaeloa Cogen Plant, unit CC1Other · Kalaeloa Partners LP119 MW1991
  • Campbell Industrial ParkOther · Hawaiian Electric Co Inc113 MW2009
  • KaheOther · Hawaiian Electric Co Inc91 MW1972
  • KaheOther · Hawaiian Electric Co Inc86 MW1970

On the drawing board

Hawaii has 3.7 GW standing. Another 76 MW is on the board by 2026: 76 MW testing.

  • AES Mountain View SolarTesting7 MW2026
  • Kalaeloa Home Lands SolarTesting2 MW2026
  • AES Waiawa Phase 2 SolarTesting30 MW2026

Battery storage

  • AES Mountain View SolarTesting7 MW2026
  • AES Waiawa Phase 2 SolarTesting30 MW2026

Hawaii's announced projects could add 1,100 GWh a year by 2031. Our projection includes 650 GWh after applying completion factors based on project status.

Hawaii in the news

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