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Turners Falls

Franklin County, Massachusetts · EIA plant ID 6388 · Operator: FirstLight Power Resources, Inc. - MA
HydroConventional HydroelectricISONEBA: ISNE
Nameplate6MWSummer 6 MW
Generators5in service
Net generation12GWh12 mo to Dec 2025
Capacity factor21%hydro units, summer MW
Heat rate—thermal plants only
First online1905

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-10123GWh2001200320052007200920112013201520172019202120232025

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%2005201020152020202521.1% · 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)
200115.635.9%—
200223.645.7%—
200312.321.9%—
200416.829.9%—
200517.230.8%—
200618.733.4%—
200714.525.9%—
200820.736.9%—
200924.944.4%—
201022.139.4%—
201126.747.6%—
201218.232.3%—
201317.230.6%—
20141730.3%—
201514.826.5%—
201622.139.3%—
201717.531.1%—
201820.736.9%—
201924.643.8%—
202023.842.3%—
202113.724.5%—
20229.316.7%—
202313.924.8%—
202412.422.0%—
202511.821.1%—

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
1Conventional HydroelectricHY1.41.9Jan 1913Operating—coming soon
2Conventional HydroelectricHY0.40.4Jan 1913Operating—coming soon
3Conventional HydroelectricHY1.31.3Jan 1910Operating—coming soon
5Conventional HydroelectricHY1.31.4Jan 1905Operating—coming soon
7Conventional HydroelectricHY1.31.4Jan 1910Operating—coming soon

Owner / operator

Operator: FirstLight Power Resources, Inc. - MA. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
FirstLight Power Resources, Inc. - MA100.0%6 MW

Nearby plants

Within 80 km.
Kearsarge Montague4 MW2.4 km
Kearsarge Montague BD(CSG)4 MW2.5 km
Cabot62 MW2.7 km
Greenfield Solar PV2 MW3.9 km
Axio Green LLC2 MW5.3 km
Deerfield CSG Solar5 MW5.5 km