Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/63490
EIA plant 63490
Mammoth Lakes · Mono · CA
CD4
Operated by CD4
Published location
Where is CD4?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
37.646053, -118.915794
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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.
126,516
223,139
325,069
422,979
521,826
619,234
720,122
820,915
921,638
1024,036
1125,770
1225,692
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 | 26,516 |
| 2 | 23,139 |
| 3 | 25,069 |
| 4 | 22,979 |
| 5 | 21,826 |
| 6 | 19,234 |
| 7 | 20,122 |
| 8 | 20,915 |
| 9 | 21,638 |
| 10 | 24,036 |
| 11 | 25,770 |
| 12 | 25,692 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 26,516 MWh |
| 2 | 23,139 MWh |
| 3 | 25,069 MWh |
| 4 | 22,979 MWh |
| 5 | 21,826 MWh |
| 6 | 19,234 MWh |
| 7 | 20,122 MWh |
| 8 | 20,915 MWh |
| 9 | 21,638 MWh |
| 10 | 24,036 MWh |
| 11 | 25,770 MWh |
| 12 | 25,692 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| OEC1 | Geothermal | GEO | 44.4 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
63490
Sector
IPP Non-CHP
Water source
Unavailable
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 CD4 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 CD4
Variation in the published months
Across 12 numeric monthly generation entries, 1 has the highest recorded value (26,516 MWh) and 6 the lowest (19,234 MWh). Their difference is 7,282 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 |
|---|---|---|---|---|---|
| OEC1 | Geothermal | 44.4 | 29.6 | 44.4 | 5.0 |
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.