Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/61594
EIA plant 61594
San Pedro · Los Angeles · CA
Westmont 401
Operated by Altus Power America Management, LLC
Published location
Where is Westmont 401?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
33.762421, -118.288214
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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.
1253
2262
3428
4449
5439
6427
7492
8464
9367
10304
11245
12200
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 | 253 |
| 2 | 262 |
| 3 | 428 |
| 4 | 449 |
| 5 | 439 |
| 6 | 427 |
| 7 | 492 |
| 8 | 464 |
| 9 | 367 |
| 10 | 304 |
| 11 | 245 |
| 12 | 200 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 253 MWh |
| 2 | 262 MWh |
| 3 | 428 MWh |
| 4 | 449 MWh |
| 5 | 439 MWh |
| 6 | 427 MWh |
| 7 | 492 MWh |
| 8 | 464 MWh |
| 9 | 367 MWh |
| 10 | 304 MWh |
| 11 | 245 MWh |
| 12 | 200 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| W5792 | Solar Photovoltaic | SUN | 2.9 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
61594
Sector
Commercial 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 Westmont 401 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 Westmont 401
Variation in the published months
Across 12 numeric monthly generation entries, 7 has the highest recorded value (492 MWh) and 12 the lowest (200 MWh). Their difference is 292 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 |
|---|---|---|---|---|---|
| W5792 | Solar Photovoltaic | 2.9 | 2.0 | 1.3 | Not supplied |
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.