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EIA plant 54555

Murphys · Calaveras · CA

Collierville Powerhouse

Operated by Northern California Power Agny

Annual generation528,667 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 Collierville Powerhouse?

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

38.144636, -120.380497

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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 Hydroelectric253 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.

121,472
233,186
380,264
4107,110
5101,657
623,499
727,142
817,149
920,388
1027,186
1134,706
1234,908

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
121,472
233,186
380,264
4107,110
5101,657
623,499
727,142
817,149
920,388
1027,186
1134,706
1234,908

2024 monthly net generation

MonthNet generation
121,472 MWh
233,186 MWh
380,264 MWh
4107,110 MWh
5101,657 MWh
623,499 MWh
727,142 MWh
817,149 MWh
920,388 MWh
1027,186 MWh
1134,706 MWh
1234,908 MWh

Operating generators

IDTechnologyFuelMWStatus
GEN1Conventional HydroelectricWAT126.5OP
GEN2Conventional HydroelectricWAT126.5OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
54555
Sector
Electric Utility
Water source
Northfork Stanisalus 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 Collierville Powerhouse power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

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03What should I verify next?

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A closer look at Collierville Powerhouse

Variation in the published months

Across 12 numeric monthly generation entries, 4 has the highest recorded value (107,110 MWh) and 8 the lowest (17,149 MWh). Their difference is 89,961 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
GEN1Conventional Hydroelectric126.5126.5126.53.0
GEN2Conventional Hydroelectric126.5126.5126.53.0

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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