MWPowerPlantFacts

Data last collected:

EIA plant 7369

Middletown · Sonoma · CA

Geothermal 2

Operated by Northern California Power Agny

Annual generation363,338 MWhSum of represented EIA-923 rows
Fuel codesGEOCodes retained from EIA records
Grid contextCalifornia Independent System OperatorBalancing authority or NERC region

Published location

Where is Geothermal 2?

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

38.749200, -122.711700

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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

TechnologyGeothermal110 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.

137,355
235,630
338,254
428,997
531,251
626,894
725,457
828,655
928,631
1029,375
1124,804
1228,035

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
137,355
235,630
338,254
428,997
531,251
626,894
725,457
828,655
928,631
1029,375
1124,804
1228,035

2024 monthly net generation

MonthNet generation
137,355 MWh
235,630 MWh
338,254 MWh
428,997 MWh
531,251 MWh
626,894 MWh
725,457 MWh
828,655 MWh
928,631 MWh
1029,375 MWh
1124,804 MWh
1228,035 MWh

Operating generators

IDTechnologyFuelMWStatus
3GeothermalGEO55SB
4GeothermalGEO55OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
7369
Sector
Electric Utility
Water source
Geothermal Condensate
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 Geothermal 2 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 Geothermal 2

Variation in the published months

Across 12 numeric monthly generation entries, 3 has the highest recorded value (38,254 MWh) and 11 the lowest (24,804 MWh). Their difference is 13,450 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
3Geothermal55.025.026.010.0
4Geothermal55.040.041.010.0

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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