Westmont 401
401 Westmont Dr., San Pedro, CA 90731Plant Summary Information
Westmont 401 is ranked #469 out of 885 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 #8,413 out of 13,081 Power Plants Nationwide | |
| Ranked #3,643 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #1,089 out of 1,606 California Power Plants | |
| Ranked #469 out of 885 California Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Westmont Solar, LLC (2017 to 2022) Altus Power America Management, LLC (2023 to 2025) |
Map of Westmont 401
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Westmont 401.
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% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #3633 | SV CSG Wagner B LLC | Baldwin, IL | 4.7 GWh |
| #3634 | ASA DeKalb NY Solar II LLC | DeKalb, NY | 4.7 GWh |
| #3635 | KDC Solar CSCP LLC | Freehold, NJ | 4.7 GWh |
| #3636 | Kilmer | Ransomville, NY | 4.7 GWh |
| #3637 | Independence Solar Farm | Independence, MO | 4.7 GWh |
| #3638 | Monroe Solar | Chatham, VA | 4.7 GWh |
| #3639 | NY USLE Rome-Oriskany | Rome, NY | 4.7 GWh |
| #3640 | Amazon | Carteret, NJ | 4.7 GWh |
| #3641 | WakeSun LLC | Cold Spring, MN | 4.7 GWh |
| #3642 | Pennsauken Solar | Pennsauken, NJ | 4.6 GWh |
| #3644 | Osceola Solar Facility | Kenansville, FL | 4.6 GWh |
| #3645 | Malech Solar Farm | San Jose, CA | 4.6 GWh |
| #3646 | Kearsarge Bellingham PV | Bellingham, MA | 4.6 GWh |
| #3647 | Mineral Gap | Wise, VA | 4.6 GWh |
| #3648 | NY 24 Sherman LLC | Gavensvoort, NY | 4.6 GWh |
| #3649 | Saratoga Solar IV, LLC | Rock City Falls, NY | 4.6 GWh |
| #3650 | Hunker Solar River, LLC | Ruffs Dale, PA | 4.6 GWh |
| #3651 | SELCO Community Solar | Shrewsbury, MA | 4.6 GWh |
| #3652 | Clark Solar 1 | San Jose, IL | 4.6 GWh |
| #3653 | Edison 0308 Solar | Edison, NJ | 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 | 1.2 GWh | 2.9 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 | 1.8 mi |
| KSR053 Cantara Fuel Cell | Panorama City, CA | 12.5 GWh | 2 mi |
| Long Beach Generation | Long Beach, CA | 10.3 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 | 179.0 GWh | 3 mi |