Westmont 400A
400 Westmont Dr, Los Angeles, CA 90731Plant Summary Information
Westmont 400A is ranked #552 out of 885 solar farms in California in terms of total annual net electricity generation.
Westmont 400A generated 647.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Westmont 400A |
|---|---|
| Utility Name | Altus Power America Management, LLC |
| Location | Los Angeles County, CA |
| Initial Operation Date | July 2017 |
| Last Update | Dec 2025 |
| Annual Generation | 3.5 GWh |
| Annual Consumption | 12.4 k MMBtu |
| Ranked #9,365 out of 13,081 Power Plants Nationwide | |
| Ranked #4,440 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #1,199 out of 1,606 California Power Plants | |
| Ranked #552 out of 885 California Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operators |
Los Angeles Department of Water & Power (2016 to 2016) Westmont Solar, LLC (2017 to 2022) Altus Power America Management, LLC (2023 to 2025) |
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Monthly Net Generation for Westmont 400A
Monthly Plant Fuel Consumption for Westmont 400A
Westmont 400A Details
| Summary Information | |
|---|---|
| Plant Name | Westmont 400A (61348) |
| Plant Address | 400 Westmont Dr, Los Angeles, CA 90731 |
| Utility | Altus Power America Management, LLC (60281) |
| Latitude, Longitude | 33.76423, -118.28893 |
| Generation Dates on File | Jul 2017 to Dec 2025 |
| Initial Operation Date | July 2017 |
| Annual Generation | 3.5 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Los Angeles Department of Water and Power (LDWP) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Los Angeles Department of Water & Power (11208) CA |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator W5691 Details Operating July 2017
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 2.3 MW |
| Summer Capacity | 2.3 MW |
| Winter Capacity | 2.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2017 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 10 |
| DC Net Capacity | 2.4 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Westmont 400A Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| Westmont Solar II | 315 Post Road West, Westport, CT 6880 | 100.00% |
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Power plants with a similar annual net generation from Solar.
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|---|---|---|---|
| #4430 | Padelford Solar | Berkley, MA | 3.5 GWh |
| #4431 | Deer Park | Deer Park, NY | 3.5 GWh |
| #4432 | IOS II-LAX9 | Fontana, CA | 3.5 GWh |
| #4433 | Syncarpha Still River, LLC CSG | Bolton, MA | 3.5 GWh |
| #4434 | Cedar Creek Solar, LLC | Winder, GA | 3.5 GWh |
| #4435 | Glenmere Lake | Goshen, NY | 3.5 GWh |
| #4436 | Shelby Randolph Road Solar 1, LLC | Shelby, NC | 3.5 GWh |
| #4437 | River Solar | Lynchburg, SC | 3.5 GWh |
| #4438 | Long Plain Solar | Whatley, MA | 3.5 GWh |
| #4439 | Uniqlo Phase 1 Solar Farm | Phillipsburg, NJ | 3.5 GWh |
| #4441 | Owens Corning | Gloucester Township, NJ | 3.5 GWh |
| #4442 | Wabasha Holdco Solar CSG | Wabasha, MN | 3.5 GWh |
| #4443 | Interchange Solar, LLC | Mt. Morris, MI | 3.5 GWh |
| #4444 | Slate Hill(CSG) | Johnson, NY | 3.5 GWh |
| #4445 | USS Vermilion Solar 1 LLC (Vermilion 1) | Fithian, IL | 3.5 GWh |
| #4446 | Frenchtown II Solar | Frenchtown, NJ | 3.5 GWh |
| #4447 | Norcap North | East Windsor, CT | 3.5 GWh |
| #4448 | Oaks Landfill - ANEM | Gaithersburg, MD | 3.5 GWh |
| #4449 | Onyx - Pembroke Landfill Solar | Pembroke, MA | 3.5 GWh |
| #4450 | Dover CSG | Dover Plains, NY | 3.5 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Westmont 400A.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Sea | San Pedro, CA | 3.0 GWh | 3.3 mi |
| Catalina Express | San Pedro, CA | 1.5 GWh | 1.2 mi |
| Colon PV | Wilmington, CA | 1.2 GWh | 2.9 mi |
| Equilon Los Angeles Refining | Wilmington, CA | 239.9 GWh | 3.6 mi |
| Harbor | Wilmington, CA | 86.6 GWh | 1.4 mi |
| Harbor Cogen | Wilmington, CA | 9.3 GWh | 3.5 mi |
| Kaiser - Harbor City | Harbor City, CA | 16.6 GWh | 1.7 mi |
| KSR053 Cantara Fuel Cell | Panorama City, CA | 12.5 GWh | 1.8 mi |
| Los Angeles Harbor College | Wilmington, CA | 313.0 MWh | 1.3 mi |
| Los Angeles Refinery Wilmington | Wilmington, CA | 365.4 GWh | 0.3 mi |
| Marina South | San Pedro, CA | 1.8 GWh | 3.3 mi |
| Port of LA Solar FiT Project | San Pedro, CA | 1.4 GWh | 2.6 mi |
| Total Energy Facilities | Carson, CA | 156.5 GWh | 0.4 mi |
| Valero Wilmington Cogeneration Plant | Wilmington, CA | 211.3 GWh | 3.1 mi |
| Westmont 300A | San Pedro, CA | 5.2 GWh | 0.1 mi |
| Westmont 300B | San Pedro, CA | 5.3 GWh | 0.3 mi |
| Westmont 301 | San Pedro, CA | 3.0 GWh | 0.2 mi |
| Westmont 400B | Los Angeles, CA | 3.8 GWh | 0.2 mi |
| Westmont 401 | San Pedro, CA | 4.6 GWh | 0.1 mi |
| Wilmington Hydrogen Plant | Wilmington, CA | 179.0 GWh | 3 mi |