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50.4 MW Bio. Liquids operating in Honolulu, HI — Hawaiian Electric Co Inc
50.4 MW
Nameplate Capacity
6
Generators
units
Other Waste Biomass
Technology
2018
Operating Since
Coordinates
21.4785, -158.0581
County
Honolulu, HI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hawaiian Electric Co Inc | Hawaiian Electric Company | — |
| Owner(s) | Hawaiian Electric Co Inc | Hawaiian Electric Industries | — |
| Status | Operating | — | — |
Schofield Generating Station is a 50.4 MW biomass-fueled power plant located in Honolulu County, Hawaii. The plant began operating in 2018 and is owned and operated by Hawaiian Electric Co. Inc, a subsidiary of Hawaiian Electric Industries. The facility utilizes six generators running on other waste biomass (OBL) as its primary fuel source.
The plant's latest annual generation was 9,634 MWh, resulting in a capacity factor of 2.2%. Schofield Generating Station is the second-largest of three biomass plants in Hawaii, and also ranks second nationally among similar facilities. The plant operates within the balancing authority of Hawaiian Electric Co Inc.
Generated from EIA, GEM, and public data sources
Grid Region
Hawaii
Market
Bilateral Market
NERC Region
—
Balancing Authority
3.7K MWh
Latest Month
9.6K MWh
Annual Generation
2.2%
Capacity Factor
CO₂ Intensity
465 lb/MWh
NOx
21 lb/MWh
SO₂
No financial data available for this plant.
This is a small open-data project — if you have sources or want more coverage here, drop a note.
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Schofield Generating StationHawaiian Electric Co Inc (HECO)
Grid Voltage
46.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.058 lb/MWh
CH₄
0.061 lb/MWh
N₂O
0.012 lb/MWh
Capacity Factor
5.2%
Annual Net Gen
23 GWh
CO₂eq
470 lb/MWh
Subregion
HICC Oahu