HydroOperatingMISO

Clam River Dam

Hydro power plant in Burnett County, Wisconsin. 1.2 MW of nameplate capacity across 3 generators, operated by Zero6 Energy Hydro.

Also known as Clam River 2WP516 Dam · EIA plant 4018

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Danbury DamGrantsburg DieselViolaGrand Casino Hinckley SolarFrederic DieselRock Lake CTClam River Dam20 km
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6 plants within 37 km, from EIA coordinates.

Key facts

Capacity
1.2 MWNameplate
Generators
3 operatingEIA-860M, August 2026
Operating since
April 1942First generator online
Operator
Zero6 Energy HydroEIA operator ID 67398
Grid
MISOBalancing authority MISO
Price nodes
None linkedNo verified ISO node
Location
Burnett County, WI45.9467, −92.5383
EIA plant ID
4018EIA plant page

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

How much power Clam River Dam produces

Free · EIA-923

Net generation, 2025

4.79 GWh

4,790 MWh, final

Capacity factor, 2025

45.6%

2024: 48.6%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

4.5–6.4

GWh a year. Low 2021, high 2019

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20000Not reported12 of 12
20011,071Not reported12 of 12
2002Not reportedNot reported0 of 12
20035,493Not reported12 of 12
20045,826Not reported12 of 12
20055,134Not reported12 of 12
20064,555Not reported12 of 12
20073,260Not reported12 of 12
20084,507Not reported12 of 12
20093,730Not reported12 of 12
20105,17049.2%12 of 12
20115,33150.7%12 of 12
20124,47542.5%12 of 12
20134,45842.4%12 of 12
20145,96956.8%12 of 12
20155,63653.6%12 of 12
20165,58553.0%12 of 12
20175,79455.1%12 of 12
20185,29550.4%12 of 12
20196,40760.9%12 of 12
20205,76754.7%12 of 12
20214,48942.7%12 of 12
20224,61543.9%12 of 12
20234,76145.3%12 of 12
20245,12448.6%12 of 12
20254,79045.6%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

No verified ISO price node is linked to this plant, or its price history could not load.

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 Hydroelectric0.4December 1942
2Conventional Hydroelectric0.4April 1942
3Conventional Hydroelectric0.4April 1967

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 Zero6 Energy Hydro as the operator, which is not always the owner.

Modeled data

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Power plants near Clam River Dam

More plants operated by Zero6 Energy Hydro

Questions about Clam River Dam

How much power does Clam River Dam produce?

Clam River Dam reported 4,790 MWh (4.79 GWh) of net generation in 2025, a 45.6% capacity factor on 1.2 MW of nameplate capacity.

Where is Clam River Dam?

Clam River Dam is in Burnett County, Wisconsin, at 45.9467, −92.5383. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).

Who operates Clam River Dam?

EIA-860M for August 2026 lists Zero6 Energy Hydro as the operator (EIA operator ID 67398). The operator is not always the owner.

When did Clam River Dam start operating?

Its first generator began operating in April 1942, according to EIA-860M.

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)
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

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