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50.4 MW Bio. Liquids operating in Honolulu, HI
Outside CONUS — spatial-market dimensions not provided by this dataset.
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
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| 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
Hawaiian Electric Co Inc (HECO)
Grid Voltage
46.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
3.7K MWh
Latest Month
9.6K MWh
Annual Generation
2.2%
Capacity Factor
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CO₂ Intensity
465 lb/MWh
NOx
21 lb/MWh
SO₂
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
No financial data available for this plant.
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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