Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/286
EIA plant 286
Middletown · Sonoma · CA
Geysers Unit 5-20
Operated by Geysers Power Co LLC
Published location
Where is Geysers Unit 5-20?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
38.777000, -122.745000
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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
Grouped from this plant’s represented generator records. Use the CA plant index for regional peers.
See the evidence
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.
1367,416
2350,185
3362,706
4353,065
5335,822
6377,372
7379,489
8382,755
9354,918
10368,678
11372,326
12362,466
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
| Record | MWh net generation |
|---|---|
| 1 | 367,416 |
| 2 | 350,185 |
| 3 | 362,706 |
| 4 | 353,065 |
| 5 | 335,822 |
| 6 | 377,372 |
| 7 | 379,489 |
| 8 | 382,755 |
| 9 | 354,918 |
| 10 | 368,678 |
| 11 | 372,326 |
| 12 | 362,466 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 367,416 MWh |
| 2 | 350,185 MWh |
| 3 | 362,706 MWh |
| 4 | 353,065 MWh |
| 5 | 335,822 MWh |
| 6 | 377,372 MWh |
| 7 | 379,489 MWh |
| 8 | 382,755 MWh |
| 9 | 354,918 MWh |
| 10 | 368,678 MWh |
| 11 | 372,326 MWh |
| 12 | 362,466 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| U13 | Geothermal | GEO | 138 | OP |
| U16 | Geothermal | GEO | 118 | OP |
| U17 | Geothermal | GEO | 118 | OP |
| U18 | Geothermal | GEO | 118 | OP |
| U20 | Geothermal | GEO | 118 | OP |
| U14 | Geothermal | GEO | 113 | OP |
| U11 | Geothermal | GEO | 110 | OP |
| U12 | Geothermal | GEO | 110 | OP |
| U5 | Geothermal | GEO | 55 | OP |
| U6 | Geothermal | GEO | 55 | OP |
| U7 | Geothermal | GEO | 55 | OP |
| U8 | Geothermal | GEO | 55 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
286
Sector
IPP Non-CHP
Water source
Wells
Data edition
2024-final
Use this record
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 Geysers Unit 5-20 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?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Geysers Unit 5-20
Variation in the published months
Across 12 numeric monthly generation entries, 8 has the highest recorded value (382,755 MWh) and 5 the lowest (335,822 MWh). Their difference is 46,933 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 12 numeric rows displayed in this table, MW ranges from 55 (U5, U6, U7) to 138 (U13). The difference is 83 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| U11 | Geothermal | 110.0 | 68.0 | 68.0 | 22.0 |
| U12 | Geothermal | 110.0 | 51.0 | 56.0 | 22.0 |
| U13 | Geothermal | 138.0 | 65.0 | 68.0 | 22.0 |
| U14 | Geothermal | 113.0 | 60.0 | 62.0 | 22.0 |
| U16 | Geothermal | 118.0 | 60.0 | 60.0 | 22.0 |
| U17 | Geothermal | 118.0 | 60.0 | 65.0 | 22.0 |
| U18 | Geothermal | 118.0 | 60.0 | 60.0 | 22.0 |
| U20 | Geothermal | 118.0 | 50.0 | 50.0 | 22.0 |
| U5 | Geothermal | 55.0 | 45.0 | 50.0 | 20.0 |
| U6 | Geothermal | 55.0 | 45.0 | 50.0 | 20.0 |
| U7 | Geothermal | 55.0 | 40.0 | 42.0 | 20.0 |
| U8 | Geothermal | 55.0 | 40.0 | 42.0 | 20.0 |
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.