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Pumpkin Hill

Penobscot County, Maine · EIA plant ID 50699 · Operator: KEI (Maine) Power Management (II) LLC
HydroConventional HydroelectricISONEBA: ISNE
Nameplate1MWSummer 1 MW
Generators1in service
Net generation3GWh12 mo to Dec 2025
Capacity factor33%hydro units, summer MW
Heat rate—thermal plants only
First online1987

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0200400600MWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%20%40%60%2005201020152020202532.9% · 12 mo

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)
20011.511.9%—
20023.225.9%—
20034.938.7%—
20043.729.8%—
20055.442.9%—
20065.342.7%—
20073.830.9%—
20085.645.8%—
20095.141.7%—
20104.348.8%—
20115.360.6%—
20125.461.6%—
20135.158.6%—
2014445.5%—
20154.248.0%—
20163.742.4%—
20173.742.8%—
20184.450.2%—
20195.764.5%—
20203.539.9%—
20213.944.2%—
20224.450.6%—
20235.562.6%—
20243.236.7%—
20252.932.9%—

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
GEN1Conventional HydroelectricHY11Mar 1987Operating—coming soon

Owner / operator

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

Nearby plants

Within 80 km.
Crooked Trail Solar—10.6 km
Dynamic - Enfield Hammett Road CSG5 MW13.7 km
Indeck West Enfield Energy Center28 MW14.8 km
Bangor Pacific Hydro13 MW16 km
Lincoln ME 15 MW17.5 km
Corkwood Solar (CSG)5 MW17.7 km