Southwestern Electric Power Co
212 E. 6TH Street Tulsa, OK 74119Company Summary Information
Southwestern Electric Power Co is ranked #46 out of 5,093 utilities nationwide in terms of total annual net electricity generation, and they are ranked #27 out of 164 utilities in terms of total annual net electricity generation from coal .
Southwestern Electric Power Co generated 5.3 TWh during the 3-month period between September 2024 to December 2024.
According to FERC EQR data, Southwestern Electric Power Co had a total of $40.1M in seller transasctions and $11.0M in buyer transasctions in 2025 Q2.
| Company Name | Southwestern Electric Power Co |
|---|---|
| Location | 212 E. 6TH Street Tulsa, OK 74119 |
| EIA Utility Type | Investor-Owned Utility |
| EIA Utility Dates | Jan 2001 to Sep 2025 |
| EIA Annual Generation | 19.4 TWh |
| EIA Power Plants | 15 |
| Fuel Types | Coal Natural Gas Wind Distillate Fuel Oil |
| Ranked #46 out of 5,093 Utilities Nationwide by Annual Generation | |
| Ranked #27 out of 164 Utilities Nationwide in terms of Coal Generation | |
FERC Seller Summary
| Seller Dates Available | Jul 2013 to Sep 2025 |
|---|---|
| Seller Total Transaction Charges | $2.14B |
| Seller Total Transactions | 3,469 |
| Seller 2025 Q2 Transaction Charges | $40.06M |
| Seller 2025 Q2 Transactions | 58 |
FERC Buyer Summary
| Buyer Dates Available | Jul 2013 to Sep 2025 |
|---|---|
| Buyer Total Transaction Charges | $747.56M |
| Buyer Total Transactions | 7,075 |
| Buyer 2025 Q2 Transaction Charges | $10.95M |
| Buyer 2025 Q2 Transactions | 22 |
Map of Southwestern Electric Power Co Locations
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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 Electric Power Co
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arsenal Hill | Shreveport, Louisiana | 192 GWh | Feb 1960 | Dec 2024 | Natural Gas |
| Diversion Wind Energy LLC | Seymour, Texas | 570 GWh | Nov 2024 | Sep 2025 | Wind |
| Flint Creek | Gentry, Arkansas | 3 TWh | Apr 1978 | Sep 2025 | Subbituminous Coal : 99.8% |
| Genova Arkansas I LLC | Tontitown, Arkansas | - | - | - | |
| Hallsville | Hallsville, Texas | - | - | - | |
| Harry D Mattison Gas Plant | Tontitown, Arkansas | 279 GWh | Jun 2007 | Nov 2024 | Natural Gas |
| J Lamar Stall Unit | Shreveport, Louisiana | 3 TWh | May 2010 | Sep 2025 | Natural Gas |
| John W Turk Jr Power Plant | Fulton, Arkansas | 3 TWh | Nov 2012 | Sep 2025 | Subbituminous Coal : 99.3% Natural Gas : 0.7% |
| Knox Lee | Longview, Texas | 321 GWh | Nov 1950 | Dec 2024 | Natural Gas |
| Lieberman | Mooringsport, Louisiana | 184 GWh | Jun 1947 | Dec 2024 | Natural Gas |
| Lone Star | Lone Star, Texas | - | Feb 1954 | Nov 2019 | |
| Pirkey | Hallsville, Texas | - | Dec 1984 | Mar 2023 | |
| Traverse Wind Project, LLC | Thomas, Oklahoma | 3 TWh | Mar 2022 | Sep 2025 | Wind |
| Welsh | Pittsburg, Texas | 4 TWh | Feb 1977 | Sep 2025 | Subbituminous Coal : 99.8% |
| Wilkes | Avinger, Texas | 1 TWh | Apr 1964 | Dec 2024 | Natural Gas : 99.7% |
Other Companies Listed Alphabetically
A list of companies close to Southwestern Electric Power Co when arranged alphabetically. They do not neccessarily have any association with Southwestern Electric Power Co.
| Company Name | Company Location | EIA Annual Generation | FERC 2025 Q2 Transactions |
|---|---|---|---|
| Southern Current One, LLC | Asheville, NC | 15.3 GWh | - |
| Southern Electric Generating Company | Birmingham, AL | - | $70.70M |
| 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 Power Administration | Tulsa, OK | - | $5.83M |
| Southwestern Public Service Co | Amarillo, TX | 17.1 TWh | $330.42M |
| 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 | - |
All Companies Associated with Southwestern Electric Power Co
A list of all companies associated with Southwestern Electric Power Co in terms of FERC EQR transactions. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.
| Company Name | 2025 Q2 Transactions w/ Southwestern Electric Power Co |
|---|---|
| Northeast Texas Electric Cooperative, Inc. | $17.86M |
| City Of Bentonville, Arkansas | $12.42M |
| High Majestic Wind I, LLC | $5.21M |
| Hope Water And Light Commission | $4.33M |
| East Texas Electric Cooperative, Inc. | $2.73M |
| Canadian Hills Wind, LLC | $2.07M |
| City Of Minden, La | $1.64M |
| High Majestic Wind II, LLC | $1.64M |
| Flat Ridge 2 Wind Energy LLC | $1.19M |
| City Of Prescott, Ak | $1.08M |
| Oneta Power, LLC | $765.00k |
| White Rock Wind East, LLC | $38.95k |
| White Rock Wind West, LLC | $20.30k |
| Horizon Hill Wind, LLC | $19.07k |
| TEX-La Electric Cooperative Of Texas, Inc. | - |
| High Majestic Wind Energy Center, LLC | - |
| Rayburn Country Electric Cooperative, Inc. | - |
| Rocking R Solar, LLC | - |
| Louisiana Generating LLC | - |
The 20 Most Recent FERC EQR Transactions
Displaying Results 1 to 20 of 10,544 ( 0.201s )| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WHITE ROCK WIND WEST, LLC | Southwestern Electric Power Company | CAPACITY | WRW9 | 2025-09-01 00:00 | 2025-09-30 23:59 | 2023-10-19 | 9.9 | $2,050.00 | $/MW-MO | $0.00 | $20,295.00 | Rate Schedule No. 1 | 20231019-WRW | New | 2023-10-19 | 2025-06-01 | CentralStandard2 | SWPP | CSWS.WRWW.WEST | NotApplicableClass | LongTerm | Monthly | NotApplicableIncrementPeaking | New | ||
| Southwestern Electric Power Company | Northeast Texas Electric Cooperative, Inc. | ENERGY | 5 | 2025-09-01 00:00 | 2025-09-30 23:59 | 2018-08-01 | -16,572.8872 | $-8.929629 | $/MWH | $0.00 | $147,989.74 | SWEPCO Second Revised FERC RS NO. 119 | Northeast Texas Electric Coop. | New | 1982-04-05 | 2018-08-01 | 2030-12-31 | CentralPrevailing2 | SWPP | Numerous delivery points with NTEC Members | Firm | LongTerm | Yearly | FullPeriod | New | |
| Southwestern Electric Power Company | East Texas Electric Cooperative, Inc. | CAPACITY | 11 | 2025-09-01 00:00 | 2025-09-30 23:59 | 2018-08-01 | 30 | $13,592.62 | $/MW-MO | $0.00 | $407,778.60 | SWEPCO RS NO. 129 | ETEC3 | New | 2009-11-02 | 2018-08-01 | 2030-12-31 | CentralPrevailing2 | SWPP | Numerous ETEC Member delivery points in Texas | Firm | LongTerm | Yearly | FullPeriod | New | |
| Canadian Hills Wind, LLC | Southwestern Electric Power Company | ENERGY | C556 | 2025-09-01 00:00 | 2025-09-30 23:59 | 2012-11-21 | 5,100 | $31.17 | $/MWH | $0.00 | $158,967.00 | FERC Electric Tariff, 0.1.0 | CHWF01 | New | 2012-01-10 | 2012-11-21 | 2032-11-20 | CentralPrevailing2 | SWPP | CANADIAN_HILLS_1 | UnitPowerSale | LongTerm | Monthly | FullPeriod | New | |
Southwestern Electric Power 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 Electric Power Co | 212 E. 6TH Street Tulsa, OK 74119 |
| Southwestern Electric Power Company | 155 W. Nationwide BLVD Columbus, OH 43215 |
| Southwestern Electric Power Company | 1 Riverside Plaza Columbus, OH 43215 |