J K Spruce
12940 US Hwy 181 South, San Antonio, TX 78263Plant Summary Information
J K Spruce is ranked #21 out of 126 coal plants nationwide in terms of total annual net electricity generation.
J K Spruce is comprised of 2 generators and generated 2.2 TWh during the 3-month period between June 2025 to September 2025.
| Plant Name | J K Spruce |
|---|---|
| Utility Name | City of San Antonio - (TX) |
| Location | Bexar County, TX |
| Initial Operation Date | December 1992 |
| Last Update | Sep 2025 |
| Annual Generation | 6.4 TWh |
| Annual Consumption | 69.0 M MMBtu |
| Ranked #155 out of 12,539 Power Plants Nationwide | |
| Ranked #21 out of 126 Subbituminous Coal Power Plants Nationwide | |
| Ranked #17 out of 799 Texas Power Plants | |
| Ranked #5 out of 10 Texas Subbituminous Coal Power Plants | |
| Fuel Types | Subbituminous Coal : 99.5% |
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Monthly Net Generation for J K Spruce
J K Spruce Details
| Summary Information | |
|---|---|
| Plant Name | J K Spruce (7097) |
| Plant Address | 12940 US Hwy 181 South, San Antonio, TX 78263 |
| Utility | City of San Antonio - (TX) (16604) |
| Latitude, Longitude | 29.30972, -98.3203 |
| Generation Dates on File | Jan 2001 to Sep 2025 |
| Initial Operation Date | December 1992 |
| Annual Generation | 6.4 TWh |
| Fuel Types | Subbituminous Coal : 99.5% |
| 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 | Regulated |
| NERC Region | TRE |
| Balancing Authority | Electric Reliability Council of Texas, Inc. (ERCO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Calaveras Lake |
| Ash Impoundment | Yes Not Lined Operating |
| Transmission / Distribution Owner | City of San Antonio - (TX) (16604) TX |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | ENTERPRISE TEXAS PIPELINE |
| Natural Gas Storage | No |
Generator 1 Details Operating December 1992
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | CALAVER_JKS1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | CALAVER_JKS1 |
| Nameplate Capacity | 566 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 560 MW |
| Winter Capacity | 560 MW |
| Minimum Load | 130 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 1992 |
| Planned Retirement | December 2028 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 2 Details Operating May 2010
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | CALAVER_JKS2 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | CALAVER_JKS2 |
| Nameplate Capacity | 922.5 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 785 MW |
| Winter Capacity | 785 MW |
| Minimum Load | 300 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 2010 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal |
|---|---|
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Planned New Prime Mover | ST |
| Planned Energy Source | NG |
| Planned New Nameplate Capacity | 922.5 MW |
| Planned Repower | December 2027 |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
J K Spruce Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Subbituminous Coal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #11 | Jeffrey Energy Center | St. Mary's, KS | 8.1 TWh |
| #12 | Limestone | Jewett, TX | 8.0 TWh |
| #13 | Scherer | Juliette, GA | 7.7 TWh |
| #14 | Sherburne County | Becker, MN | 7.1 TWh |
| #15 | Belle River | China Twp, MI | 7.5 TWh |
| #16 | Shawnee | West Paducah, KY | 6.7 TWh |
| #17 | Baldwin Energy Complex | Baldwin, IL | 6.6 TWh |
| #18 | Nebraska City | Nebraska City, NE | 6.6 TWh |
| #19 | Gerald Gentleman | Sutherland, NE | 6.5 TWh |
| #20 | La Cygne | La Cygne, KS | 6.5 TWh |
| #22 | Columbia (WI) | Pardeville, WI | 6.3 TWh |
| #23 | Elm Road Generating Station | Oak Creek, WI | 7.4 TWh |
| #24 | Walter Scott Jr Energy Center | Council Bluffs, IA | 5.8 TWh |
| #25 | Clay Boswell | Cohasset, MN | 5.6 TWh |
| #26 | Independence Steam Electric Station | Newark, AR | 5.5 TWh |
| #27 | Thomas Hill | Clifton Hill, MO | 6.3 TWh |
| #28 | Iatan | Weston, MO | 5.3 TWh |
| #29 | Comanche (CO) | Pueblo, CO | 5.4 TWh |
| #30 | Springerville | Springerville, AZ | 5.2 TWh |
| #31 | New Madrid | New Madrid, MO | 6.6 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding J K Spruce.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Arthur Von Rosenberg | Elmendorf, TX | 3.4 TWh | 5.3 mi |
| Blue Wing Solar Energy Generation | San Antonio, TX | 19.1 GWh | 4.8 mi |
| CPS 1 Community Solar | Adkins, TX | 1.8 GWh | 5.6 mi |
| FELPS 1 - Calaveras | Floresville, TX | 1.8 GWh | 7.5 mi |
| FELPS 2 - Calaveras | Floresville, TX | 1.9 GWh | 7.4 mi |
| FELPS 3 - Floresville South | Floresville, TX | 2.2 GWh | 17.9 mi |
| FELPS 4 - Floresville South | Floresville, TX | 2.2 GWh | 17.9 mi |
| FELPS 5- Floresville South | Floresville, TX | 2.2 GWh | 18 mi |
| FELPS 6- Floresville West | Floresville, TX | 2.1 GWh | 14.4 mi |
| FELPS 7- Floresville West | Floresville, TX | 2.1 GWh | 14.4 mi |
| HEB_CPSSADC | San Antonio, TX | 944.0 MWh | 7.8 mi |
| IKEA Live Oak Rooftop PV System | Live Oak, TX | 2.1 GWh | 12.5 mi |
| Leon Creek | San Antonio, TX | 227.5 GWh | 15.7 mi |
| O W Sommers | San Antonio, TX | 2.5 TWh | 0.3 mi |
| OCI Alamo 2, LLC | Converse, TX | 8.8 GWh | 11.1 mi |
| OCI Alamo 3 LLC | San Antonio, TX | 9.9 GWh | 11.8 mi |
| OCI Alamo Solar I Hybrid | San Antonio, TX | 84.0 GWh | 7.9 mi |
| SunE CPS1 LLC | San Antonio, TX | 4.5 GWh | 7.4 mi |
| SunE CPS2 LLC | San Antonio, TX | 7.0 GWh | 7.4 mi |
| V H Braunig | Elmendorf, TX | 1.3 TWh | 5.2 mi |