HydroOperating

Whitman

Hydro power plant in Ketchikan Gateway, Alaska. 4.8 MW of nameplate capacity across 2 generators, operated by Ketchikan Public Utilities.

Also known as Whitman power Plant · EIA plant 58977

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SilvisBeaver FallsS W BaileyCentennialChester LakeWhitman10 km
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6 plants within 24 km, from EIA coordinates.

Key facts

Capacity
4.8 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
January 2015First generator online
Operator
Ketchikan Public UtilitiesEIA operator ID 10210
Grid
Not reported
Price nodes
None linkedNo verified ISO node
Location
Ketchikan Gateway, AK55.3281, −131.5308
EIA plant ID
58977EIA plant page

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

How much power Whitman produces

Free · EIA-923

Net generation, 2025

7.34 GWh

7,343 MWh, final

Capacity factor, 2025

17.5%

2024: 20.5%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

7.0–10.8

GWh a year. Low 2018, 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
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
20158,712Not reported12 of 12
20167,64918.1%12 of 12
20179,37322.3%12 of 12
20186,99816.6%12 of 12
20199,90823.6%12 of 12
20209,47322.5%12 of 12
202110,84125.8%12 of 12
202210,24724.4%12 of 12
202310,55725.1%12 of 12
20248,64120.5%12 of 12
20257,34317.5%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
WPG-1Conventional Hydroelectric3.9January 2015
WPG-2Conventional Hydroelectric0.9January 2015

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 Ketchikan Public Utilities as the operator, which is not always the owner.

Modeled data

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Power plants near Whitman

More plants operated by Ketchikan Public Utilities

Questions about Whitman

How much power does Whitman produce?

Whitman reported 7,343 MWh (7.34 GWh) of net generation in 2025, a 17.5% capacity factor on 4.8 MW of nameplate capacity.

Where is Whitman?

Whitman is in Ketchikan Gateway, Alaska, at 55.3281, −131.5308.

Who operates Whitman?

EIA-860M for August 2026 lists Ketchikan Public Utilities as the operator (EIA operator ID 10210). The operator is not always the owner.

When did Whitman start operating?

Its first generator began operating in January 2015, 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