Westmont 401
401 Westmont Dr., San Pedro, CA 90731Plant Summary Information
Westmont 401 is ranked #480 out of 918 solar farms in California in terms of total annual net electricity generation.
Westmont 401 generated 869.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Westmont 401 |
|---|---|
| Utility Name | Altus Power America Management, LLC |
| Location | Los Angeles County, CA |
| Initial Operation Date | November 2017 |
| Last Update | Dec 2025 |
| Annual Generation | 4.6 GWh |
| Annual Consumption | 16.5 k MMBtu |
| Ranked #8,497 out of 13,285 Power Plants Nationwide | |
| Ranked #3,703 out of 7,198 Solar Power Plants Nationwide | |
| Ranked #1,103 out of 1,641 California Power Plants | |
| Ranked #480 out of 918 California Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Westmont Solar, LLC (2017 to 2022) Altus Power America Management, LLC (2023 to 2025) |
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Monthly Net Generation for Westmont 401
Monthly Plant Fuel Consumption for Westmont 401
Westmont 401 Details
| Summary Information | |
|---|---|
| Plant Name | Westmont 401 (61594) |
| Plant Address | 401 Westmont Dr., San Pedro, CA 90731 |
| Utility | Altus Power America Management, LLC (60281) |
| Latitude, Longitude | 33.76242, -118.28821 |
| Generation Dates on File | Nov 2017 to Dec 2025 |
| Initial Operation Date | November 2017 |
| Annual Generation | 4.6 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 | Warehousing and Storage (493) |
| Sector | Commercial Non-CHP (4) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Los Angeles Department of Water & Power (11208) CA |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator W5792 Details Operating November 2017
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 2.9 MW |
| Summer Capacity | 2 MW |
| Winter Capacity | 1.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 2017 |
| Combined Heat & Power | No |
| Sector Name | Commercial Non-CHP (4) |
| Energy Source | Solar |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 190 |
| Tilt Angle | 30 |
| DC Net Capacity | 3 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Westmont 401 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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|---|---|---|---|
| #3693 | SV CSG Wagner A LLC | Sparta, IL | 4.7 GWh |
| #3694 | SV CSG Wagner B LLC | Baldwin, IL | 4.7 GWh |
| #3695 | ASA DeKalb NY Solar II LLC | DeKalb, NY | 4.7 GWh |
| #3696 | Kilmer | Ransomville, NY | 4.7 GWh |
| #3697 | KDC Solar CSCP LLC | Freehold, NJ | 4.7 GWh |
| #3698 | Monroe Solar | Chatham, VA | 4.7 GWh |
| #3699 | NY USLE Rome-Oriskany | Rome, NY | 4.7 GWh |
| #3700 | WakeSun LLC | Cold Spring, MN | 4.7 GWh |
| #3701 | Amazon | Carteret, NJ | 4.7 GWh |
| #3702 | Pennsauken Solar | Pennsauken, NJ | 4.6 GWh |
| #3704 | Magpie Solar, LLC | Lavina, MT | 4.6 GWh |
| #3705 | Osceola Solar Facility | Kenansville, FL | 4.6 GWh |
| #3706 | Malech Solar Farm | San Jose, CA | 4.6 GWh |
| #3707 | Kearsarge Bellingham PV | Bellingham, MA | 4.6 GWh |
| #3708 | Mineral Gap | Wise, VA | 4.6 GWh |
| #3709 | NY 24 Sherman LLC | Gavensvoort, NY | 4.6 GWh |
| #3710 | Landau II Solar (Hybrid) | Kingston, NY | 4.6 GWh |
| #3711 | Frieders Solar 1, LLC | Sandwich, IL | 4.6 GWh |
| #3712 | Poplar Grove Solar 2, LLC | Caledonia, IL | 4.6 GWh |
| #3713 | Saratoga Solar IV, LLC | Rock City Falls, NY | 4.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Westmont 401.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Sea | San Pedro, CA | 3.0 GWh | 3.1 mi |
| Catalina Express | San Pedro, CA | 1.5 GWh | 1 mi |
| Colon PV | Wilmington, CA | 1.6 GWh | 2.9 mi |
| Harbor | Wilmington, CA | 112.7 GWh | 1.4 mi |
| Harbor Cogen | Wilmington, CA | 9.3 GWh | 3.5 mi |
| Kaiser - Harbor City | Harbor City, CA | 16.6 GWh | 1.8 mi |
| KSR053 Cantara Fuel Cell | Panorama City, CA | 12.5 GWh | 2 mi |
| Long Beach Generation | Long Beach, CA | 5.9 GWh | 3.6 mi |
| Los Angeles Harbor College | Wilmington, CA | 313.0 MWh | 1.4 mi |
| Los Angeles Refinery Wilmington | Wilmington, CA | 365.4 GWh | 0.4 mi |
| Marina South | San Pedro, CA | 1.8 GWh | 3.2 mi |
| Port of LA Solar FiT Project | San Pedro, CA | 1.4 GWh | 2.4 mi |
| Total Energy Facilities | Carson, CA | 156.5 GWh | 0.5 mi |
| Valero Wilmington Cogeneration Plant | Wilmington, CA | 211.3 GWh | 3.1 mi |
| Westmont 300A | San Pedro, CA | 5.2 GWh | 0.3 mi |
| Westmont 300B | San Pedro, CA | 5.3 GWh | 0.3 mi |
| Westmont 301 | San Pedro, CA | 3.0 GWh | 0.1 mi |
| Westmont 400A | Los Angeles, CA | 3.5 GWh | 0.1 mi |
| Westmont 400B | Los Angeles, CA | 3.8 GWh | 0.2 mi |
| Wilmington Hydrogen Plant | Wilmington, CA | 179.7 GWh | 3 mi |