HydroOperatingPSEI

Black Creek

Hydro power plant in King County, Washington. 3.7 MW of nameplate capacity across 1 generator, operated by Black Creek Hydro Inc.

Also known as EIA plant 54860

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Hancock Creek Hydroelectric ProjectCalligan Creek Hydroe…SnoqualmieTwin Falls HydroWeeks FallsBlack Creek5 km
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6 plants within 14 km, from EIA coordinates.

Key facts

Capacity
3.7 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
February 1994First generator online
Operator
Black Creek Hydro IncEIA operator ID 1784
Grid
PSEIBalancing authority PSEI
Price nodes
None linkedNo verified ISO node
Location
King County, WA47.5497, −121.7105
EIA plant ID
54860EIA plant page

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

How much power Black Creek produces

Free · EIA-923

Net generation, 2025

8.71 GWh

8,713 MWh, final

Capacity factor, 2025

26.9%

2024: 25.5%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

6.0–13.0

GWh a year. Low 2022, high 2020

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
20016,634Not reported12 of 12
20028,307Not reported12 of 12
20037,500Not reported12 of 12
2004Not reportedNot reported0 of 12
20053,576Not reported12 of 12
20062,665Not reported12 of 12
20072,777Not reported12 of 12
2008320Not reported12 of 12
20096,218Not reported12 of 12
201011,39335.2%12 of 12
201113,05240.3%12 of 12
201211,78536.3%12 of 12
201312,84439.6%12 of 12
201414,09443.5%12 of 12
20156,38919.7%12 of 12
201612,27637.8%12 of 12
201711,41735.2%12 of 12
201811,82436.5%12 of 12
20198,03024.8%12 of 12
202012,98139.9%12 of 12
202111,16334.4%12 of 12
20225,96018.4%12 of 12
20238,64126.7%12 of 12
20248,30325.5%12 of 12
20258,71326.9%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
GEN1Conventional Hydroelectric3.7February 1994

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 Black Creek Hydro Inc as the operator, which is not always the owner.

Modeled data

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Power plants near Black Creek

Questions about Black Creek

How much power does Black Creek produce?

Black Creek reported 8,713 MWh (8.71 GWh) of net generation in 2025, a 26.9% capacity factor on 3.7 MW of nameplate capacity.

Where is Black Creek?

Black Creek is in King County, Washington, at 47.5497, −121.7105. It is in the Puget Sound Energy balancing area (PSEI).

Who operates Black Creek?

EIA-860M for August 2026 lists Black Creek Hydro Inc as the operator (EIA operator ID 1784). The operator is not always the owner.

When did Black Creek start operating?

Its first generator began operating in February 1994, 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)

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