HydroOperatingISO-NE

Gregg Falls

Hydro power plant in Hillsborough County, New Hampshire. 3.5 MW of nameplate capacity across 2 generators, operated by Eagle Creek Renewable Energy, LLC.

Also known as Greggs Falls · EIA plant 50384

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AmoskeagHooksettChina Mill HydroPembroke HydroMerrimackGranite RidgeGregg Falls10 km
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6 plants within 17 km, from EIA coordinates.

Key facts

Capacity
3.5 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
December 1985First generator online
Operator
Eagle Creek Renewable Energy, LLCEIA operator ID 57280
Grid
ISO-NEBalancing authority ISNE
Price nodes
1 ISONE nodeResource nodes with prices
Location
Hillsborough County, NH43.0168, −71.5679
EIA plant ID
50384EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Gregg Falls produces

Free · EIA-923

Net generation, 2025

7.71 GWh

7,713 MWh, final

Capacity factor, 2025

25.2%

2024: 29.1%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

6.7–13.7

GWh a year. Low 2016, high 2023

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
20015,834Not reported12 of 12
20026,796Not reported12 of 12
200311,483Not reported12 of 12
20049,505Not reported12 of 12
200512,636Not reported12 of 12
200613,151Not reported12 of 12
20079,213Not reported12 of 12
200814,922Not reported12 of 12
200913,535Not reported12 of 12
20109,16030.8%12 of 12
201114,26947.9%12 of 12
20127,90326.5%12 of 12
20139,71132.6%12 of 12
201411,694Not reported12 of 12
20158,15726.6%12 of 12
20166,69921.8%12 of 12
20179,89332.3%12 of 12
201813,22743.1%12 of 12
201910,27933.5%12 of 12
20208,60528.0%12 of 12
202111,29536.8%12 of 12
20229,42130.7%12 of 12
202313,73044.8%12 of 12
20248,93229.1%12 of 12
20257,71325.2%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · ISONE

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Conventional Hydroelectric2.2December 1985
2Conventional Hydroelectric1.3December 1985

Ownership and offtake

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Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Eagle Creek Renewable Energy, LLC as the operator, which is not always the owner.

Modeled data

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Power plants near Gregg Falls

More plants operated by Eagle Creek Renewable Energy, LLC

Questions about Gregg Falls

How much power does Gregg Falls produce?

Gregg Falls reported 7,713 MWh (7.71 GWh) of net generation in 2025, a 25.2% capacity factor on 3.5 MW of nameplate capacity.

Where is Gregg Falls?

Gregg Falls is in Hillsborough County, New Hampshire, at 43.0168, −71.5679. It is in the ISO New England Inc. balancing area (ISNE).

Who operates Gregg Falls?

EIA-860M for August 2026 lists Eagle Creek Renewable Energy, LLC as the operator (EIA operator ID 57280). The operator is not always the owner.

When did Gregg Falls start operating?

Its first generator began operating in December 1985, according to EIA-860M.

Does InfraMap have power prices for Gregg Falls?

Yes. InfraMap has ISONE day-ahead and real-time prices at 1 price node linked to Gregg Falls, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • ISONE day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page