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EIA plant 321

Auberry · Fresno · CA

Big Creek 8

Operated by Southern California Edison Co

Annual generation173,805 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextCalifornia Independent System OperatorBalancing authority or NERC region

Published location

Where is Big Creek 8?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

37.209600, -119.328900

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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

Equipment mix

Operating capacity by technology

TechnologyConventional Hydroelectric75 MW represented

Grouped from this plant’s represented generator records. Use the CA plant index for regional peers.

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Electricity output across the year

Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.

116,108
27,262
314,023
413,292
513,289
617,488
718,369
819,189
916,644
1013,479
1111,264
1213,398

MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.

Read the chart as a table
Electricity output across the year — MWh net generation
RecordMWh net generation
116,108
27,262
314,023
413,292
513,289
617,488
718,369
819,189
916,644
1013,479
1111,264
1213,398

2024 monthly net generation

MonthNet generation
116,108 MWh
27,262 MWh
314,023 MWh
413,292 MWh
513,289 MWh
617,488 MWh
718,369 MWh
819,189 MWh
916,644 MWh
1013,479 MWh
1111,264 MWh
1213,398 MWh

Operating generators

IDTechnologyFuelMWStatus
2Conventional HydroelectricWAT45OS
1Conventional HydroelectricWAT30OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
321
Sector
Electric Utility
Water source
San Joaquin River
Data edition
2024-final

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Questions this evidence can answer

01What exactly is this record?

Use the name, place, date and identifiers above to confirm that you have the right Big Creek 8 power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.

03What should I verify next?

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A closer look at Big Creek 8

Variation in the published months

Across 12 numeric monthly generation entries, 8 has the highest recorded value (19,189 MWh) and 2 the lowest (7,262 MWh). Their difference is 11,927 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
1Conventional Hydroelectric30.025.825.82.6
2Conventional Hydroelectric45.045.045.04.5

EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.

Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.

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