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Gregg Falls

Hillsborough County, New Hampshire · EIA plant ID 50384 · Operator: Eagle Creek RE LLC
HydroConventional HydroelectricISONEBA: ISNE
Nameplate4MWSummer 3 MW
Generators2in service
Net generation8GWh12 mo to Dec 2025
Capacity factor26%hydro units, summer MW
Heat rate—thermal plants only
First online1985

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
012GWh2001200320052007200920112013201520172019202120232025

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%50%100%150%2005201020152020202525.9% · 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)
20015.818.5%—
20026.821.6%—
200311.539.4%—
20049.537.3%—
200512.6133.6%—
200613.2111.2%—
20079.287.6%—
200814.9130.7%—
200913.596.6%—
20109.2149.4%—
201114.3125.3%—
20127.9112.5%—
20139.7138.6%—
201411.739.3%—
20158.227.4%—
20166.722.4%—
20179.933.2%—
201813.244.4%—
201910.334.5%—
20208.628.8%—
202111.337.9%—
20229.431.6%—
202313.746.1%—
20248.929.9%—
20257.725.9%—

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
1Conventional HydroelectricHY2.22.1Dec 1985Operating—coming soon
2Conventional HydroelectricHY1.31.3Dec 1985Operating—coming soon

Owner / operator

Operator: Eagle Creek RE LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Gregg Falls Hydro Elec Assoc Ltd Ptnrsp100.0%4 MW

Nearby plants

Within 80 km.
Amoskeag16 MW8 km
Hooksett2 MW12.6 km
China Mill Hydro2 MW15.2 km
Pembroke Hydro3 MW15.7 km
Merrimack496 MW16 km
Granite Ridge790 MW17 km