Graniterock Quarry
1900 Quarry Rd, Aromas, CA 95004Plant Summary Information
Graniterock Quarry is ranked #360 out of 917 solar farms in California in terms of total annual net electricity generation.
Graniterock Quarry generated 1.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Graniterock Quarry |
|---|---|
| Utility Name | CalCom Energy |
| Location | San Benito County, CA |
| Initial Operation Date | September 2022 |
| Last Update | Dec 2025 |
| Annual Generation | 8.8 GWh |
| Annual Consumption | 31.4 k MMBtu |
| Ranked #6,677 out of 13,301 Power Plants Nationwide | |
| Ranked #2,300 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #887 out of 1,641 California Power Plants | |
| Ranked #360 out of 917 California Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Graniterock Quarry
Monthly Plant Fuel Consumption for Graniterock Quarry
Graniterock Quarry Details
| Summary Information | |
|---|---|
| Plant Name | Graniterock Quarry (65485) |
| Plant Address | 1900 Quarry Rd, Aromas, CA 95004 |
| Utility | CalCom Energy (63226) |
| Latitude, Longitude | 36.87816, -121.6028 |
| Generation Dates on File | Sep 2022 to Dec 2025 |
| Initial Operation Date | September 2022 |
| Annual Generation | 8.8 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 | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Pacific Gas & Electric Co. (14328) CA |
| Grid Voltage | 60.00 kV |
| Energy Storage | No |
Generator GRWQ Details Operating September 2022
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 4.4 MW |
| Summer Capacity | 4.4 MW |
| Winter Capacity | 4.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | September 2022 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 200 |
| Tilt Angle | 25 |
| DC Net Capacity | 5.7 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Graniterock Quarry Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| Granite Rock Company | 350 Technology Dr., Watsonville, CA 95076 | 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 |
|---|---|---|---|
| #2290 | Atkinson Farm Solar | Beulaville, NC | 8.8 GWh |
| #2291 | Nash 58 Farm | Nashville, NC | 8.8 GWh |
| #2292 | Hector Farm | Troy, NC | 8.8 GWh |
| #2293 | Carter PV1 | Fayetteville, NC | 8.8 GWh |
| #2294 | ASD Wallum MA Solar LLC(CSG) | Douglas, MA | 8.7 GWh |
| #2295 | Mound City Solar | Mound City, IL | 8.8 GWh |
| #2296 | Cotten Farm, LLC | Sanford, NC | 8.8 GWh |
| #2297 | Woodland Solar | Woodland, NC | 8.8 GWh |
| #2298 | Lake Emily Solar | St. Peter, MN | 8.8 GWh |
| #2299 | AM Best Farm | Goldsboro, NC | 8.8 GWh |
| #2301 | Bizzell Church Solar 2 | Selma, NC | 8.8 GWh |
| #2302 | Williamston West Farm, LLC | Williamston, NC | 8.8 GWh |
| #2303 | Haywood Farm Solar | Troy, NC | 8.8 GWh |
| #2304 | Roxboro Farm | Roxboro, NC | 8.8 GWh |
| #2305 | Deep Branch Farm | Pembroke, NC | 8.8 GWh |
| #2306 | Marlin Solar | Marlin, TX | 8.8 GWh |
| #2307 | Wagstaff Farm 1 | Roxboro, NC | 8.8 GWh |
| #2308 | Pilot Mountain Solar, LLC | King, NC | 8.8 GWh |
| #2309 | South Louisburg Solar | Louisburg, NC | 8.8 GWh |
| #2310 | Strider Solar, LLC | Asheboro, NC | 8.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Graniterock Quarry.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Ameresco Johnson Canyon | Gonzales, CA | 10.0 GWh | 26.1 mi |
| Ameresco Santa Cruz Energy | Watsonville, CA | 13.8 GWh | 12.1 mi |
| Cabrillo College | Aptos, CA | 4.2 GWh | 19.2 mi |
| D'Arrigo Brothers - Phase 4 | Salinas, CA | 4.2 GWh | 18.2 mi |
| Dynegy Moss Landing Power Plant Hybrid | Moss Landing, CA | 2.6 TWh | 11.1 mi |
| Enerparc CA1 LLC | Hollister, CA | 3.2 GWh | 11.4 mi |
| Equinix Great Oaks Blvd. Fuel Cell | San Jose, CA | 26.8 GWh | 27 mi |
| Equinix San Jose | San Jose, CA | 7.0 GWh | 27 mi |
| Gilroy Peaking Energy Center | Gilroy, CA | 30.9 GWh | 9.1 mi |
| Gilroy Power Plant | Gilroy, CA | 21.1 GWh | 9.2 mi |
| Hollister Solar LLC | Hollister, CA | 3.9 GWh | 9.7 mi |
| Hollister Wastewater Facility | Hollister, CA | 1.7 GWh | 8.8 mi |
| Malech Solar Farm | San Jose, CA | 4.6 GWh | 25.4 mi |
| Marina Landfill Gas | Marina, CA | 9.5 GWh | 14.6 mi |
| Metcalf Energy Center | San Jose, CA | 1.7 TWh | 24.9 mi |
| Monterey One Water | Marina, CA | 8.4 GWh | 15.1 mi |
| Monterey Regional Water Pollution Contro | Marina, CA | 1.1 GWh | 14.9 mi |
| Taylor Farms - Schilling Place | Salinas, CA | 8.1 GWh | 15.5 mi |
| TLR000 Hansen Fuel Cell | Salinas, CA | 19.9 GWh | 15.3 mi |
| University of California Santa Cruz | Santa Cruz, CA | 33.5 GWh | 26.7 mi |