White Rock/Slab Creek

Highway 50, Placerville, CA 95709

Plant Summary Information

White Rock/Slab Creek is ranked #16 out of 206 hydroelectric power plants in California in terms of total annual net electricity generation.

White Rock/Slab Creek is comprised of 4 generators and generated 213.7 GWh during the 3-month period between February 2025 to May 2025.

Plant Name	White Rock/Slab Creek
Utility Name	Sacramento Municipal Util Dist
Location	El Dorado County, CA
Initial Operation Date	February 1968
Last Update	May 2025
Annual Generation	406.6 GWh
Annual Consumption	1.7 M MMBtu
Ranked #1,516 out of 12,312 Power Plants Nationwide
Ranked #104 out of 1,323 Water Power Plants Nationwide
Ranked #103 out of 1,568 California Power Plants
Ranked #16 out of 206 California Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	White Rock/Slab Creek (435)
Plant Address	Highway 50, Placerville, CA 95709
Utility	Sacramento Municipal Util Dist (16534)
Latitude, Longitude	38.76534, -120.78737
Generation Dates on File	Jan 2001 to May 2025
Initial Operation Date	February 1968
Annual Generation	406.6 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	WECC
Balancing Authority	Balancing Authority of Northern California (BANC)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	South Fork American River
Ash Impoundment	No
Transmission / Distribution Owner	Sacramento Municipal Util Dist (16534) CA
Grid Voltage	230.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	133 MW
Nameplate Power Factor	0.95
Summer Capacity	133 MW
Winter Capacity	133 MW
Minimum Load	1 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	February 1968
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	133 MW
Nameplate Power Factor	0.95
Summer Capacity	108 MW
Winter Capacity	108 MW
Minimum Load	1 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	June 1968
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	0.5 MW
Nameplate Power Factor	0.86
Summer Capacity	0.5 MW
Winter Capacity	0.5 MW
Minimum Load	0.5 MW
Uprate/Derate Completed	No

Status	Out of Service
First Operation Date	June 1983
Planned Retirement	October 2025
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	2.7 MW
Nameplate Power Factor	0.95
Summer Capacity	2.7 MW
Winter Capacity	2.7 MW
Minimum Load	0.4 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 2020
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#94	Thompson Falls	Thompson Falls, MT	436.4 GWh
#95	Ryan	Great Falls, MT	434.6 GWh
#96	Middle Fork	Foresthill, CA	434.4 GWh
#97	Hawks Nest Hydro	Gauley Bridge, WV	433.8 GWh
#98	Jaybird	Camino, CA	433.8 GWh
#99	Hartwell Lake	Hartwell, GA	422.6 GWh
#100	C J Strike	Bruneau, ID	422.3 GWh
#101	Walter F George	Ft. Gaines, GA	421.7 GWh
#102	Cannelton Hydroelectric Plant	Hawesville, KY	415.9 GWh
#103	Flaming Gorge	Dutch John, UT	407.9 GWh
#105	Big Creek 1	Big Creek, CA	405.3 GWh
#106	Parker Dam	Parker, CA	404.5 GWh
#107	R C Kirkwood	Groveland, CA	403.7 GWh
#108	Apalachia	Reliance, TN	402.1 GWh
#109	Dam 2	Dumas, AR	400.7 GWh
#110	Comerford	Monroe, NH	400.5 GWh
#111	Summer Falls Power Plant	Coulee City, WA	398.2 GWh
#112	Bradley Lake	Homer, AK	397.1 GWh
#113	Markland	Florence, IN	394.7 GWh
#114	Haas	Balch Camp, CA	394.4 GWh

Below are closest 20 power plants surrounding White Rock/Slab Creek.

Plant Name	Plant Location	Annual Generation	Distance
Blue Shld Of Cal- El Dorado Hlls Mtr B	El Dorado Hills, CA	2.8 GWh	17.4 mi
Broadridge Cogen	El Dorado Hills, CA	15.8 GWh	17.7 mi
Camino	Camino, CA	277.3 GWh	14.2 mi
Chili Bar	Placerville, CA	32.8 GWh	1.5 mi
Deer Creek 2	Shingle Springs, CA	2.7 GWh	14.2 mi
El Dorado	Pollock Pines, CA	80.9 GWh	9.3 mi
El Dorado County	Placerville, CA	2.9 GWh	5.1 mi
El Dorado Solar, LLC	El Dorado Hills, CA	2.9 GWh	17.1 mi
Folsom	Folsom, CA	536.2 GWh	20.4 mi
Folsom SP and CSP Sacramento	Represa, CA	2.3 GWh	20.8 mi
Halsey	Auburn, CA	7.6 GWh	19.1 mi
Intel Folsom Phase 2	Folsom, CA	1.5 GWh	22 mi
Intel Folsom Phase 3	Folsom, CA	9.1 GWh	21.8 mi
Jaybird	Camino, CA	433.8 GWh	14.6 mi
Middle Fork	Foresthill, CA	434.4 GWh	20.7 mi
Newcastle	Auburn, CA	7.5 GWh	17.1 mi
Oxbow (CA)	Foresthill, CA	29.2 GWh	16.6 mi
Ralston	Foresthill, CA	328.1 GWh	16.6 mi
Union Valley	Fresh Pond, CA	76.5 GWh	19.7 mi
Wise	Auburn, CA	31.5 GWh	18.8 mi