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Paia Hydroelectric PlantOut of service

Maui County, Hawaii · EIA plant ID 58277 · Operator: Mahi Pono LLC
HydroConventional HydroelectricBA: HECO
Nameplate1MWSummer 1 MW
Generators1in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online1912

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
00.250.50.751GWh201220132014201520162017201820192020

Capacity factor by year

Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%20%40%60%20122014201620182020

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20126.758.4%—
20133.833.2%—
20140.86.7%—
20157.162.7%—
20160.21.9%—
201700.0%—
201800.0%—
201900.0%—
202000.0%—

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
PAH1Conventional HydroelectricHY1.31.3Jan 1912Operating (Out of service)—coming soon

Owner / operator

Operator: Mahi Pono LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Mahi Pono LLC100.0%1 MW

Nearby plants

Within 80 km.
Kaheka Hydro5 MW2 km
Kahului34 MW13 km
Kihei Solar Farm3 MW14.4 km
Kuihelani Substation1 MW14.5 km
AES Maui Kuihelani Solar Hybrid120 MW16 km
Maalaea230 MW18.7 km