Rocky Reach

OperatingHydro

Ranked #3 of 75 Hydro plants in WA#12 of 1454 nationally

1299.6 MW Hydro operating in Chelan, WA — Public Utility District No. 1 of Chelan County

EIAGEMWD

1,299.6 MW

Nameplate Capacity

Generators

units

Conventional Hydroelectric

Technology

1961

Operating Since

Location

Coordinates

47.5336, -120.2953

County

Chelan, WA

Nearby Plants

Rock Island
Hydro629.4 MW · 25.9 km
Orion - Helion
Hydrogen50 MW · 26.2 km

Ownership & Operator

Owner data does not fully agree across sources.

EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.

Field	EIA	GEM	Wikidata
Operator	PUD No 1 of Chelan County	Chelan County Public Utility District	—
Owner(s)	PUD No 1 of Chelan County	Chelan County Public Utility District [100%]	—
Status	Operating	operating	—

Ownership Chain

GEM identifies the owner as Chelan County Public Utility District [100%]

This entity is not yet in the GEM ownership database — chain unavailable.

About

Rocky Reach Dam is a run-of-the-river hydroelectric dam in the U.S. state of Washington owned and operated by Chelan County Public Utility District. It has 11 generators rated in total 1300 MW. The project is on the Columbia River in north central Washington state about seven miles (11 km) upstream from the city of Wenatchee. The dam is 473 miles (761 km) above the mouth of the Columbia. The reservoir impounded by the dam is Lake Entiat. The project provides energy for more than 7 million people throughout the Pacific Northwest.

Read more on Wikipedia

Rocky Reach is a 1299.6 MW hydroelectric power plant located in Chelan County, Washington. The plant began operating in 1961 and is owned and operated by Public Utility District No. 1 of Chelan County. It utilizes conventional hydroelectric technology with water (WAT) as its primary fuel source. The facility consists of 11 generators.

Rocky Reach's latest annual generation was 5,241,117 MWh, achieving a capacity factor of 46.0%. The plant operates within the Public Utility District No. 1 of Chelan County balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Rocky Reach is the 3rd largest power plant out of 23 in Washington and ranks 12th out of 194 hydroelectric plants nationally.

Generated from EIA, GEM, and public data sources

Wikipedia EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

WECC

Balancing Authority

Public Utility District No. 1 of Chelan County

Grid Voltage

230 kV

Regulatory Status

Entity Type

Political Subdivision

Sector

Electric Utility

Generation

566.4K MWh

Latest Month

5.2M MWh

Annual Generation

46.0%

Capacity Factor

Jan 2023 – Dec 2025

Financial Data

No financial data available for this plant.

Pricing & Market Data

This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.

News & Articles (8)Beta

Industry·corporate

How to attend Decker sisters memorial in Wenatchee

A public memorial is scheduled for 7 pm at Rocky Reach Park off Highway 97A. KING 5 will be at the service and provide a livestream on KING 5+, KING 5's free...

Rocky Reach Park (other)

king5.com·9 months ago

Industry·corporate

Wayne Salley Obituary (1936 - 2025) - Wenatchee, WA - The Wenatchee World

Wayne Richard Salley, beloved son, husband, father, brother, grandfather, great-grandfather passed away peacefully, surrounded by his loving family, January 16...

Wayne Salley (other)

Legacy | Obituary·10 months ago