Alta Sea
2500 S Signal Street, San Pedro, CA 90731Plant Summary Information
Alta Sea is ranked #605 out of 886 solar farms in California in terms of total annual net electricity generation.
Alta Sea generated 530.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Alta Sea |
|---|---|
| Utility Name | Signal Street Operating, LLC |
| Location | Los Angeles County, CA |
| Initial Operation Date | December 2023 |
| Last Update | Dec 2025 |
| Annual Generation | 3.0 GWh |
| Annual Consumption | 10.5 k MMBtu |
| Ranked #9,920 out of 13,094 Power Plants Nationwide | |
| Ranked #4,924 out of 7,027 Solar Power Plants Nationwide | |
| Ranked #1,262 out of 1,607 California Power Plants | |
| Ranked #605 out of 886 California Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Alta Sea
Monthly Plant Fuel Consumption for Alta Sea
Alta Sea Details
| Summary Information | |
|---|---|
| Plant Name | Alta Sea (66395) |
| Plant Address | 2500 S Signal Street, San Pedro, CA 90731 |
| Utility | Signal Street Operating, LLC (65474) |
| Latitude, Longitude | 33.71911, -118.27262 |
| Generation Dates on File | Jan 2024 to Dec 2025 |
| Initial Operation Date | December 2023 |
| Annual Generation | 3.0 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 | |
| Transmission / Distribution Owner | Los Angeles Department of Water & Power (11208) CA |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator PV1 Details Operating December 2023
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 1.8 MW |
| Nameplate Power Factor | 0.99 |
| Summer Capacity | 1.8 MW |
| Winter Capacity | 1.8 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2023 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 252 |
| Tilt Angle | 13 |
| DC Net Capacity | 1.9 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Alta Sea Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Solar.
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|---|---|---|---|
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| #4920 | BWC Swan Pond River CSG | Rehoboth, MA | 3.0 GWh |
| #4921 | Kearsarge Acushnet | Acushnet, MA | 3.0 GWh |
| #4922 | OER Checkerspot | Tracy's Landing, MD | 3.0 GWh |
| #4923 | ER Center Road Solar, LLC | Hardwick, VT | 3.0 GWh |
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| #4926 | USAA Black Bear Energy | Cranbury, NJ | 2.9 GWh |
| #4927 | Wappinger 9D Solar | Wappinger, NY | 2.9 GWh |
| #4928 | Briscoe Solar 2 | Lostant, IL | 2.9 GWh |
| #4929 | 2662 Freeport Solar 1 CSG | Freeport, IL | 2.9 GWh |
| #4930 | Watertown Solar One, LLC | Watertown, CT | 2.9 GWh |
| #4931 | SCS Penfield One 010750 Penfield, LLC | Penfield, NY | 2.9 GWh |
| #4932 | Gold Mine | Bradley, SC | 2.9 GWh |
| #4933 | Cashton Solar | Cashton, WI | 2.9 GWh |
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Nearby Power Plants
Below are closest 20 power plants surrounding Alta Sea.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Catalina Express | San Pedro, CA | 1.5 GWh | 2.2 mi |
| Harbor | Wilmington, CA | 82.3 GWh | 3.6 mi |
| Harbor Cogen | Wilmington, CA | 9.3 GWh | 4.7 mi |
| Kaiser - Harbor City | Harbor City, CA | 16.6 GWh | 4.9 mi |
| KSR053 Cantara Fuel Cell | Panorama City, CA | 12.5 GWh | 5.1 mi |
| Long Beach Generation | Long Beach, CA | 10.3 GWh | 4.1 mi |
| Los Angeles Harbor College | Wilmington, CA | 313.0 MWh | 4.5 mi |
| Los Angeles Refinery Wilmington | Wilmington, CA | 365.4 GWh | 3.5 mi |
| Marina South | San Pedro, CA | 1.8 GWh | 0.2 mi |
| Port of LA Solar FiT Project | San Pedro, CA | 1.4 GWh | 0.7 mi |
| THUMS | Long Beach, CA | 158.0 GWh | 4.8 mi |
| Total Energy Facilities | Carson, CA | 156.5 GWh | 3.5 mi |
| Valero Wilmington Cogeneration Plant | Wilmington, CA | 211.3 GWh | 4.6 mi |
| Westmont 300A | San Pedro, CA | 5.2 GWh | 3.4 mi |
| Westmont 300B | San Pedro, CA | 5.3 GWh | 3.3 mi |
| Westmont 301 | San Pedro, CA | 3.0 GWh | 3.1 mi |
| Westmont 400A | Los Angeles, CA | 3.5 GWh | 3.3 mi |
| Westmont 400B | Los Angeles, CA | 3.8 GWh | 3.2 mi |
| Westmont 401 | San Pedro, CA | 4.6 GWh | 3.1 mi |
| Wilmington Hydrogen Plant | Wilmington, CA | 180.0 GWh | 4.6 mi |