Cleanview

Planned battery storage projects in Hawaii

Developers have proposed 7 battery storage projects in Hawaii with 0.2 GW of capacity, in the grid operators' interconnection queues.

  • Planned7

See operating battery storage projects in Hawaii

HonoluluHilo

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

The largest planned battery storage projects in Hawaii

Planned, by capacity

#Battery storage projectExpected onlineCapacity
1Keamuku203086 MW
2AES Waiawa Phase 2 Solar202630 MW
3KRS I Anahola Solar Hybrid202712 MW
4KRS II Koloa Solar202712 MW
5Hamakua Energy Plant20308 MW
6AES Mountain View Solar20267 MW
7Puuloa Solar20276 MW

Planned battery storage projects expected online soonest in Hawaii

In the next 18 months, soonest first

#Battery storage projectExpected onlineCapacity
1KRS I Anahola Solar Hybrid202712 MW
2KRS II Koloa Solar202712 MW
3Puuloa Solar20276 MW
The developer behind each project is on paid plans. See plans

How Cleanview tracks battery storage projects

Operating battery storage projects come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about battery storage projects in Hawaii

How many battery storage projects are planned in Hawaii?
Developers have proposed 7 battery storage projects in Hawaii with 0.2 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned battery storage project in Hawaii?
Keamuku in Hawaii County, Hawaii is the largest planned, at 86 MW. It is expected to come online in 2030.
Who is developing battery storage projects in Hawaii?
Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

More energy trackers for Hawaii

Planned battery storage projects in other states

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