HAWAIʻI LAND & POWER

Projects

HAWAIʻI LAND & POWER's projects, as facts: name, island, technology, capacity, status, the procurement or docket each sits in, and the counterparty. Schedules are not published.

Current Projects Under Development

ProjectIslandTechnologyCapacityStatusProcurement or docketCounterparty
Harborside Generating StationOʻahuDual-fuel reciprocating engines88.51 MWIn developmentHawaiian Electric Integrated Grid Planning RFP, Docket No. 2024-0258Hawaiian Electric Company
Alahao Firm GenerationHilo, Hawaiʻi IslandDual-fuel reciprocating engines30 MWIn developmentHawaiian Electric Integrated Grid Planning RFP, Docket No. 2024-0258Hawaii Electric Light Company
Alahao Energy StorageHilo, Hawaiʻi IslandBattery energy storage20 MW / 120 MWhIn developmentHawaiian Electric Integrated Grid Planning RFP, Docket No. 2024-0258Hawaii Electric Light Company
Kauaʻi Integrated Waste Processing FacilityKauaʻiMunicipal solid waste processing with renewable fuel production and energy recovery≈100,000 tons of MSW per yearIn developmentCounty of Kauaʻi XRFP No. 2025-XRFP-4, Technology for Long-Term Management of Municipal Solid WasteCounty of Kauaʻi

Status: In development · Selected · Under contract · Operating · Prior role

Harborside Generating Station

Harborside Generating Station is an 88.51 MW firm generation project on Oʻahu, proposed in Hawaiian Electric's Integrated Grid Planning RFP. HL&P first proposed the site in the Stage 3 RFP in 2023. The engine basis is Wärtsilä dual-fuel reciprocating engines.

Concept rendering of Harborside Generating Station on Oʻahu: engine hall, stacks, fuel tanks inside a containment berm, and the switchyard
Concept rendering. Imagery: Google, Airbus
Concept rendering of Harborside Generating Station and its interconnection line to the Campbell Estate Industrial Park substation
Concept rendering. Imagery: Google, Airbus

Alahao Firm Generation and Alahao Energy Storage

Alahao Firm Generation is a 30 MW firm generation project, and Alahao Energy Storage a 20 MW / 120 MWh battery storage project, on a Department of Hawaiian Home Lands industrial parcel at Panaʻewa, adjacent to Hawaii Electric Light's Kanoelehua substation, under a right-of-entry the Hawaiian Homes Commission approved in February 2025. The engine basis is Wärtsilä dual-fuel reciprocating engines.

Concept rendering of Alahao Firm Generation and Alahao Energy Storage at Panaʻewa, Hilo: engine hall and stack, fuel tanks, battery yard, and switchyard beside the Kanoelehua substation
Concept rendering. Imagery: Google, Airbus
Concept rendering of the Alahao site seen from the road: the switchyard in front, with the engine hall, fuel tanks and battery yard behind
Concept rendering. Imagery: Google, Airbus

Kauaʻi Integrated Waste Processing Facility

In the County of Kauaʻi's two-step procurement, 2025-XRFP-4, HL&P leads the development team, with Mālama One Recycling, for a facility that would process the County's municipal solid waste and make renewable diesel and naphtha from it.

Prior Roles

ProjectIslandTechnologyCapacityStatusProcurement or docketCounterparty
Puʻuloa Energy and Puʻuloa SolarOʻahuRenewable firm generation; solar with storage99 MW; 6 MW / 24 MWhAmeresco projects; HL&P development partnerStage 3 RFP, Docket No. 2017-0352; Puʻuloa Solar PPA approved in Docket No. 2025-0436Hawaiian Electric Company
Hu Honua BioenergyHawaiʻi IslandBiomass generation23.5 MWPrior role of HL&P's Principal: acquired the plant from C. Brewer in May 2005, performed the initial refurbishment assessment, negotiated with Hawaii Electric Light Company to restart it as a qualifying facility, and sold a majority interest in 2008.—Hawaii Electric Light Company

— : not yet published.

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