Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/57977
EIA plant 57977
Susanville · Lassen · CA
High Sierra Cogeneration Plant
Operated by Plumas Sierra Rural Electric Coop
Published location
Where is High Sierra Cogeneration Plant?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.412800, -120.477400
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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.
14,178.07
22,834.06
32,028.54
41,726.81
51,553.72
62,390.35
74,592.36
83,988.95
93,513.52
103,681.11
112,964.26
123,253.25
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 | 4,178.07 |
| 2 | 2,834.06 |
| 3 | 2,028.54 |
| 4 | 1,726.81 |
| 5 | 1,553.72 |
| 6 | 2,390.35 |
| 7 | 4,592.36 |
| 8 | 3,988.95 |
| 9 | 3,513.52 |
| 10 | 3,681.11 |
| 11 | 2,964.26 |
| 12 | 3,253.25 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 4,178 MWh |
| 2 | 2,834 MWh |
| 3 | 2,029 MWh |
| 4 | 1,727 MWh |
| 5 | 1,554 MWh |
| 6 | 2,390 MWh |
| 7 | 4,592 MWh |
| 8 | 3,989 MWh |
| 9 | 3,514 MWh |
| 10 | 3,681 MWh |
| 11 | 2,964 MWh |
| 12 | 3,253 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| ENG1 | Natural Gas Internal Combustion Engine | NG | 3.1 | OP |
| ENG2 | Natural Gas Internal Combustion Engine | NG | 3.1 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
57977
Sector
Electric Utility
Water source
Unavailable
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 High Sierra Cogeneration Plant 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 High Sierra Cogeneration Plant
Variation in the published months
Across 12 numeric monthly generation entries, 7 has the highest recorded value (4,592 MWh) and 5 the lowest (1,554 MWh). Their difference is 3,038 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| ENG1 | Natural Gas Internal Combustion Engine | 3.1 | 2.8 | 3.0 | 1.5 |
| ENG2 | Natural Gas Internal Combustion Engine | 3.1 | 2.8 | 3.0 | 1.5 |
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.