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PPAClosedNovember 1, 2025

Mahi Solar + Storage - 120 MW solar + 120 MW / 480 MWh BESS (4hr), Kunia, Oahu - Stage 3 RFP

Largest renewable project in Hawaii at PPA signing. 25-year PPA with 10-year extension option (35-year total operating life). Postponed 2022 due to supply-chain crisis, re-selected in Stage 3 final award Dec 2023. PPA signed Nov 2025, sent to PUC for review. Will power ~40,000 Oahu homes. Site in Kunia working with Hawaii Farm Bureau on agrivoltaics. RFP: Stage 3 Oahu (original 2020 award; re-selected 2023 final award after 2022 postponement). Hawaii PUC docket: Stage 3 Oahu (SP21-412 Mahi Solar Land Use Commission). Expected/actual COD: Expected late 2028. Contract term: 25 years. Storage component: 120 MW / 480 MWh (4h duration).

Deal Value

120MW

Capacity

480MWh

Storage

Solar + Storage

Technology

HI

Location

Deal Details

Deal Type
Utility PPA
Seller / Sponsor
Longroad Energy
Buyer / Financier
HECO
Offtaker
HECO
Stage
Operating
ISO/RTO
HI

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