HydroOperatingPJM

New Martinsville Hannibal Hydro

Hydro power plant in Wetzel County, West Virginia. 37.4 MW of nameplate capacity across 2 generators, operated by New Martinsville Hannibal Hydro.

Also known as EIA plant 50036

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Axiall Natrium PlantMitchell (WV)Pleasants Power StationNew Martinsville Hann…25 km
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6 plants within 55 km, from EIA coordinates.

Key facts

Capacity
37.4 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
July 1988First generator online
Operator
New Martinsville Hannibal HydroEIA operator ID 4434
Grid
PJMBalancing authority PJM
Price nodes
1 PJM nodeResource nodes with prices
Location
Wetzel County, WV39.6672, −80.8642
EIA plant ID
50036EIA plant page

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

How much power New Martinsville Hannibal Hydro produces

Free · EIA-923

Net generation, 2025

195 GWh

194,577 MWh, final

Capacity factor, 2025

59.4%

2024: 35.8%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

112.9–228.5

GWh a year. Low 2015, high 2021

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001195,580Not reported11 of 12
2002233,263Not reported12 of 12
2003275,037Not reported12 of 12
2004252,477Not reported12 of 12
2005212,376Not reported12 of 12
2006277,341Not reported12 of 12
2007190,274Not reported12 of 12
2008197,169Not reported12 of 12
2009239,658Not reported12 of 12
2010198,29660.5%12 of 12
2011192,04958.6%12 of 12
2012194,91259.3%12 of 12
2013253,22777.3%12 of 12
2014167,12851.0%12 of 12
2015112,85934.4%12 of 12
2016122,90837.4%12 of 12
2017195,50159.7%12 of 12
2018188,35757.5%12 of 12
2019214,23665.4%12 of 12
2020185,59656.5%12 of 12
2021228,48769.7%12 of 12
2022166,21450.7%12 of 12
2023173,43452.9%12 of 12
2024117,63635.8%12 of 12
2025194,57759.4%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 · PJM

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
UNT1Conventional Hydroelectric18.7August 1988
UNT2Conventional Hydroelectric18.7July 1988

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 New Martinsville Hannibal Hydro as the operator, which is not always the owner.

Modeled data

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Power plants near New Martinsville Hannibal Hydro

Questions about New Martinsville Hannibal Hydro

How much power does New Martinsville Hannibal Hydro produce?

New Martinsville Hannibal Hydro reported 194,577 MWh (195 GWh) of net generation in 2025, a 59.4% capacity factor on 37.4 MW of nameplate capacity.

Where is New Martinsville Hannibal Hydro?

New Martinsville Hannibal Hydro is in Wetzel County, West Virginia, at 39.6672, −80.8642. It is in the PJM Interconnection, LLC balancing area (PJM).

Who operates New Martinsville Hannibal Hydro?

EIA-860M for August 2026 lists New Martinsville Hannibal Hydro as the operator (EIA operator ID 4434). The operator is not always the owner.

When did New Martinsville Hannibal Hydro start operating?

Its first generator began operating in July 1988, according to EIA-860M.

Does InfraMap have power prices for New Martinsville Hannibal Hydro?

Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to New Martinsville Hannibal Hydro, 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)
  • PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05

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