San Luis Valley Solar Array
43001 County Road C, Center, CO 81125Plant Summary Information
San Luis Valley Solar Array is ranked #68 out of 178 solar farms in Colorado in terms of total annual net electricity generation.
San Luis Valley Solar Array generated 687.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | San Luis Valley Solar Array |
|---|---|
| Utility Name | Onsite Partners, LLC |
| Location | Saguache County, CO |
| Initial Operation Date | November 2017 |
| Last Update | Dec 2025 |
| Annual Generation | 5.1 GWh |
| Annual Consumption | 18.5 k MMBtu |
| Ranked #8,280 out of 13,301 Power Plants Nationwide | |
| Ranked #3,546 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #176 out of 299 Colorado Power Plants | |
| Ranked #68 out of 178 Colorado Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operators |
AEP Onsite Partners (2017 to 2019) AEP Onsite Partners, LLC (2020 to 2024) Onsite Partners, LLC (2025 to 2025) |
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Monthly Net Generation for San Luis Valley Solar Array
Monthly Plant Fuel Consumption for San Luis Valley Solar Array
San Luis Valley Solar Array Details
| Summary Information | |
|---|---|
| Plant Name | San Luis Valley Solar Array (61605) |
| Plant Address | 43001 County Road C, Center, CO 81125 |
| Utility | Onsite Partners, LLC (60571) |
| Latitude, Longitude | 37.777, -106.22 |
| Generation Dates on File | Nov 2017 to Dec 2025 |
| Initial Operation Date | November 2017 |
| Annual Generation | 5.1 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 17-1191 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Public Service Company of Colorado (PSCO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | San Luis Valley R E C, Inc (16603) CO |
| Grid Voltage | 12.50 kV |
| Energy Storage | No |
Generator 1 Details Operating November 2017
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 2.7 MW |
| Summer Capacity | 2.7 MW |
| Winter Capacity | 2.7 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 2017 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| DC Net Capacity | 3.1 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
San Luis Valley Solar Array 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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|---|---|---|---|
| #3536 | Conetoe Solar | Tarboro, NC | 5.1 GWh |
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| #3538 | PVN Milliken, LLC | Ontario, CA | 5.1 GWh |
| #3539 | DG Dighton LLC CSG | Dighton, MA | 5.1 GWh |
| #3540 | Grass River | Canton, NY | 5.1 GWh |
| #3541 | Copenhagen Solar | Copenhagen, NY | 5.1 GWh |
| #3542 | EMWD - Moreno Valley RWRF | Moreno Valley, CA | 5.1 GWh |
| #3543 | California City | California City, CA | 5.1 GWh |
| #3544 | Lowndes Tycor Farms | Lake Park, GA | 5.1 GWh |
| #3545 | Morgan Community Solar | Morgan, MN | 5.1 GWh |
| #3547 | Washington WS01 | Washington, ME | 5.1 GWh |
| #3548 | Wonderful Nursery | Wasco, CA | 5.1 GWh |
| #3549 | Lindstrom Solar CSG | Lindstrom, MN | 5.1 GWh |
| #3550 | Rice Lake II | Rice Lake, WI | 5.1 GWh |
| #3551 | Ware Palmer Road Solar LLC CSG | Ware, MA | 5.0 GWh |
| #3552 | Nextsun Energy Littleton | Littleton, MA | 5.1 GWh |
| #3553 | Amazon Goodyear | Goodyear, AZ | 5.1 GWh |
| #3554 | IOS - MEW Phase 1 | Madison, ME | 5.1 GWh |
| #3555 | 20333 Normandie PV, LLC | Torrance, CA | 5.1 GWh |
| #3556 | POM Plant 1 | Del Rey, CA | 5.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding San Luis Valley Solar Array.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alamosa | Alamosa, CO | 27.2 GWh | 28.3 mi |
| Alamosa Solar | Mosca, CO | 76.6 GWh | 19 mi |
| Alamosa Solar South CSG | Alamosa, CO | 4.0 GWh | 29.9 mi |
| Blue Mesa | Gunnison, CO | 198.0 GWh | 76.6 mi |
| Blue Sky One | Taos, NM | 2.7 GWh | 61.4 mi |
| Conejos 1 Community Solar Array | La Jara, CO | 3.8 GWh | 42.2 mi |
| Fremont CO 1, LLC | Canon City, CO | 3.8 GWh | 72.5 mi |
| Hooper Solar | Mosca, CO | 121.9 GWh | 13.8 mi |
| Huerfano River Wind | Walsenburg, CO | 13.2 GWh | 75.8 mi |
| Kit Carson | Amalia, NM | 2.7 GWh | 70.6 mi |
| Monte Vista Solar 2 CSG, LLC | Monte Vista, CO | 4.0 GWh | 15.6 mi |
| Oak Leaf Solar XXX LLC (CSG) | Alamosa, CO | 3.9 GWh | 29.2 mi |
| Oak Leaf Solar XXXIII LLC (Lantz) | Salida, CO | 2.7 GWh | 53 mi |
| Rock Creek 2 CSG | Alamosa, CO | 4.0 GWh | 31.3 mi |
| Salida | Salida, CO | 1.7 GWh | 52.4 mi |
| San Luis Solar Garden | Antonito, CO | 3.0 GWh | 50.2 mi |
| San Luis Valley Solar Ranch | Mosca, CO | 59.9 GWh | 17 mi |
| SunE Alamosa | Hooper, CO | 12.8 GWh | 19.5 mi |
| Syncarpha Questa | Cerro, NM | 3.7 GWh | 75.3 mi |
| Trout Creek Solar | Buena Vista, CO | 4.3 GWh | 72 mi |