MWPowerPlantFacts

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EIA plant 332

Rialto · San Bernardino · CA

Fontana

Operated by Southern California Edison Co

Annual generation8,654 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 Fontana?

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

34.155162, -117.397119

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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 Hydroelectric3 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.

1731
2366
3483
4646
5739
6819
7890
8941
9888
10765
11718
12668

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
1731
2366
3483
4646
5739
6819
7890
8941
9888
10765
11718
12668

2024 monthly net generation

MonthNet generation
1731 MWh
2366 MWh
3483 MWh
4646 MWh
5739 MWh
6819 MWh
7890 MWh
8941 MWh
9888 MWh
10765 MWh
11718 MWh
12668 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT1.5OP
2Conventional HydroelectricWAT1.5OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
332
Sector
Electric Utility
Water source
Lytle Creek
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 Fontana 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 Fontana

Variation in the published months

Across 12 numeric monthly generation entries, 8 has the highest recorded value (941 MWh) and 2 the lowest (366 MWh). Their difference is 575 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
1Conventional Hydroelectric1.51.51.50.0
2Conventional Hydroelectric1.51.51.50.0

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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