Southwestern Public Service Co
P O Box 1261SPS Tower Tyler At Amarillo, TX 79170Company Summary Information
Southwestern Public Service Co is ranked #54 out of 5,093 utilities nationwide in terms of total annual net electricity generation, and they are ranked #53 out of 1,279 utilities in terms of total annual net electricity generation from natural gas.
Southwestern Public Service Co generated 5.2 TWh during the 3-month period between September 2024 to December 2024.
According to FERC EQR data, Southwestern Public Service Co had a total of $231.5M in seller transasctions and $98.9M in buyer transasctions in 2025 Q2.
| Company Name | Southwestern Public Service Co |
|---|---|
| Location | P O Box 1261SPS Tower Tyler At Amarillo, TX 79170 |
| EIA Utility Type | Investor-Owned Utility |
| EIA Utility Dates | Jan 2001 to Sep 2025 |
| EIA Annual Generation | 17.1 TWh |
| EIA Power Plants | 16 |
| Fuel Types | Natural Gas Wind Coal Distillate Fuel Oil |
| Ranked #54 out of 5,093 Utilities Nationwide by Annual Generation | |
| Ranked #53 out of 1,279 Utilities Nationwide in terms of Natural Gas Generation | |
FERC Seller Summary
| Seller Dates Available | Jul 2013 to Oct 2025 |
|---|---|
| Seller Total Transaction Charges | $12.46B |
| Seller Total Transactions | 81,072,044 |
| Seller 2025 Q2 Transaction Charges | $231.47M |
| Seller 2025 Q2 Transactions | 1,604,776 |
FERC Buyer Summary
| Buyer Dates Available | Jul 2013 to Oct 2025 |
|---|---|
| Buyer Total Transaction Charges | $2.84B |
| Buyer Total Transactions | 516,420 |
| Buyer 2025 Q2 Transaction Charges | $98.95M |
| Buyer 2025 Q2 Transactions | 42 |
Map of Southwestern Public Service Co Locations
Register Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Southwestern Public Service Co.
Monthly Electricity Generation by Type
Monthly electricity generation by source as reported by the EIA
Monthly FERC Transaction Charges by Type
Monthly aggregates and sums are derived from FERC Electronic Quarterly Reports (EQR)
Power Plants Operated by Southwestern Public Service Co
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Carlsbad | Carlsbad, New Mexico | - | Nov 1977 | Dec 2015 | |
| Celanese | Pampa, Texas | - | - | Dec 2009 | |
| Cunningham | Hobbs, New Mexico | 2 TWh | Dec 1956 | Sep 2025 | Natural Gas |
| Gaines County | Seminole, Texas | - | - | - | |
| Hale Community Wind Farm | Plainview, Texas | 2 TWh | May 2019 | Sep 2025 | Wind |
| Harrington | Amarillo, Texas | 2 TWh | Dec 1975 | Sep 2025 | Natural Gas : 88.2% Subbituminous Coal : 11.8% |
| Jones | Lubbock, Texas | 3 TWh | Dec 1970 | Sep 2025 | Natural Gas |
| Maddox | Hobbs, New Mexico | 537 GWh | Dec 1962 | Sep 2025 | Natural Gas |
| Moore County | Sunray, Texas | - | - | Dec 2013 | |
| Nichols | Amarillo, Texas | 2 TWh | Dec 1959 | Dec 2024 | Natural Gas |
| Plant X | Earth, Texas | 816 GWh | Dec 1951 | Dec 2024 | Natural Gas : 99.9% |
| Quay County | Tucumcari, New Mexico | 378 MWh | Sep 2013 | Dec 2024 | Distillate Fuel Oil |
| Riverview | Borger, Texas | - | - | Sep 2012 | |
| Sagamore Wind | Rogers, New Mexico | 2 TWh | Nov 2020 | Sep 2025 | Wind |
| Tolk | Muleshoe, Texas | 2 TWh | Dec 1981 | Sep 2025 | Subbituminous Coal : 90.2% Natural Gas : 9.8% |
| Tucumcari | Tucumcari, New Mexico | - | - | Dec 2005 |
Other Companies Listed Alphabetically
A list of companies close to Southwestern Public Service Co when arranged alphabetically. They do not neccessarily have any association with Southwestern Public Service Co.
| Company Name | Company Location | EIA Annual Generation | FERC 2025 Q2 Transactions |
|---|---|---|---|
| Southern Idaho Solid Waste | Burley, ID | 25.8 GWh | - |
| Southern Illinois Power Coop | Marion, IL | 835.2 GWh | $3.69M |
| Southern Illinois University Carbondale | Carbondale, IL | 9.8 GWh | - |
| Southern Indiana Gas & ELEC Co | Evansville, IN | 2.2 TWh | $41.57M |
| Southern Minnesota Beet Sugar | Renville, MN | 25.5 GWh | - |
| Southern Minnesota Mun P AGNY | Rochester, MN | 53.6 GWh | - |
| Southern Power Co | Atlanta, GA | 48.1 TWh | $202.23M |
| Southern Sky Renewable Energy Berkley, LLC | Jersey City, NJ | 3.5 GWh | - |
| Southwestern Electric Power Co | Tulsa, OK | 19.4 TWh | $51.01M |
| Southwestern Power Administration | Tulsa, OK | - | $5.83M |
| Southwick Solar, LLC | Asheville, NC | 6.1 GWh | - |
| Sowega Power LLC | Baconton, GA | 5.2 GWh | - |
| SP Butler Solar, LLC | Birmingham, AL | - | $3.95M |
| SP Cimarron I, LLC | Birmingham, AL | - | $2.27M |
| SP Decatur Parkway Solar, LLC | Birmingham, AL | - | $3.54M |
| SP Pawpaw Solar, LLC | Birmingham, AL | - | $1.15M |
| SP Sandhills Solar, LLC | Birmingham, AL | - | $5.32M |
| SP Solar 5, LLC | Asheville, NC | 3.9 GWh | - |
| Spanish Fork Wind Park 2, LLC | Scottsdale, AZ | 50.8 GWh | - |
| Spanish Peaks Solar LLC | Boulder, CO | 281.5 GWh | $2.23M |
Top 20 Companies Associated with Southwestern Public Service Co
A list of the top 20 companies associated with Southwestern Public Service Co in terms of total FERC EQR transactions charges. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.
| Company Name | 2025 Q2 Transactions w/ Southwestern Public Service Co |
|---|---|
| Southwest Power Pool, Inc. | $221.92M |
| Roosevelt Wind Project, LLC | $61.83M |
| Lea Power Partners, LLC | $11.11M |
| Wildorado Wind, LLC | $5.93M |
| Lea County Electric Cooperative, Inc. | $4.29M |
| Spinning Spur Wind LLC | $3.89M |
| Wildcat Ranch Wind Project, LLC | $3.50M |
| Central Valley Electric Cooperative, Inc. | $3.05M |
| PALO DURO Wind Energy, LLC | $2.62M |
| San Juan Mesa Wind Project, LLC | $2.56M |
| Lorenzo Wind, LLC | $1.99M |
| Chaves County Solar, LLC | $1.88M |
| Roswell Solar, LLC | $1.86M |
| Mammoth Plains Wind Project, LLC | $1.59M |
| Farmers Electric Cooperative | $1.44M |
| Roosevelt County Electric Cooperative, Inc. | $771.37k |
| PALO DURO Wind, LLC | $191.58k |
| El Paso Electric Company | - |
| Western Farmers Electric Cooperative | - |
| Caprock Wind LLC | - |
The 20 Most Recent FERC EQR Transactions
Displaying Results 1 to 20 of 81,588,464 ( 4.247s )| Seller Name | Buyer Name | Product | Transaction Group Ref # | Begin Date | End Date | Trade Date | Quantity | Price | Units | Transmission Charge | Transaction Charge | FERC Tariff Ref | Contract Service Agreement | Contract Filing Type | Contract Execution Date | Contract Commencement Date | Contract Termination Date | Timezone | Balancing Authority | Point of Delivery Hub | Class | Term | Increment | Increment Peaking | Filing Type | Broker Exchange |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Southwestern Public Service Company | Southwest Power Pool | REGULATION & FREQUENCY RESPONSE | T1728254_SPS.MAMMOTHWND_ | 2025-09-30 23:00 | 2025-10-01 00:00 | 2025-09-29 | 40 | $9.9835 | $/MWH | $0.00 | $399.34 | Rate Schedule for Power Sales Third Revised Volume No. 3 | 188369 | New | 2006-09-22 | 2016-04-16 | CentralPrevailing2 | SWPP | SPS.MAMMOTHWND | Firm | ShortTerm | Hourly | OffPeak | New | ||
| Southwestern Public Service Company | Southwest Power Pool | ENERGY | T1722107_SPS.TOLK1_0930 | 2025-09-30 23:00 | 2025-10-01 00:00 | 2025-09-29 | 300 | $-15.0949 | $/MWH | $0.00 | $-4,528.47 | Rate Schedule for Power Sales Third Revised Volume No. 3 | 188369 | New | 2006-09-22 | 2016-04-16 | CentralPrevailing2 | SWPP | SPS.TOLK1 | Firm | LongTerm | Hourly | OffPeak | New | ||
| Southwestern Public Service Company | Southwest Power Pool | ENERGY | T1722222_SPS.PALODURWND_ | 2025-09-30 23:55 | 2025-10-01 00:00 | 2025-09-30 | 1.407 | $-25.856432 | $/MWH | $0.00 | $-36.38 | Rate Schedule for Power Sales Third Revised Volume No. 3 | 188369 | New | 2006-09-22 | 2016-04-16 | CentralPrevailing2 | SWPP | SPS.PALODURWND | Firm | ShortTerm | FiveMinute | OffPeak | New | ||
| Southwestern Public Service Company | Southwest Power Pool | ENERGY | T1722533_SPS.NICHOLS2_09 | 2025-09-30 23:00 | 2025-10-01 00:00 | 2025-09-29 | 18 | $-17.543889 | $/MWH | $0.00 | $-315.79 | Rate Schedule for Power Sales Third Revised Volume No. 3 | 188369 | New | 2006-09-22 | 2016-04-16 | CentralPrevailing2 | SWPP | SPS.NICHOLS2 | Firm | LongTerm | Hourly | OffPeak | New | ||
Southwestern Public Service Co Name and Address Permutations
Due to the nature of the data we have to make some assumptions when determining if two companies are the same. So to be transparent about how we're calculating some of the summary values, here are all the company names and addresses that were combined to create this record. While we try to make sure everything is as accurate as possible we can't guarantee complete accuracy for all records.
| Company Name | Company Address |
|---|---|
| Southwestern Public Service Co | P O Box 1261SPS Tower Tyler At Amarillo, TX 79170 |
| Southwestern Public Service Company | 1800 Larimer St Denver, CO 80202 |
| Southwestern Public Service Company | 1800 Larimer Street Denver, CO 80202 |
| Southwestern Public Service Company | 250 Nicollet Mall Minneapolis, MN 55401 |
| Southwestern Public Service Company | 3500 Blake St Denver, CO 80205 |
| Southwestern Public Service Company | 414 Nicollet Mall Minneapolis, MN 55401 |