Members & Market Participants

MEMBERS

For more information on membership (and the difference in our member types), visit the Join SPP membership page.

# Control Area within SPP
^ Transmission Owner under the Open Access Transmission Tariff
* Transmission Using Member per bylaws
@ Transmission Owning Member per bylaws

Terms defined in Tariff and Bylaws.

Alternative Power

  • Advanced Power Alliance *
  • American Clean Power Association *

Cooperatives

  • Arkansas Electric Cooperative Corporation *^
  • Basin Electric Power Cooperative @ ^
  • Central Power Electric Cooperative, Inc. * ^
  • Corn Belt Power Cooperative * ^
  • East River Electric Power Cooperative, Inc. * ^
  • East Texas Electric Cooperative, Inc. * ^
  • Golden Spread Electric Cooperative, Inc. *
  • Kansas Electric Power Cooperative, Inc.  *
  • L and O Power Cooperative * ^
  • Lea County Electric Cooperative, Inc. * ^
  • Midwest Energy, Inc.  @ ^
  • Mor-Gran-Sou Electric Cooperative, Inc. * ^
  • Mountrail-Williams Electric Cooperative * ^
  • Northeast Texas Electric Cooperative, Inc. *
  • Northwest Iowa Power Cooperative * ^
  • People's Electric Cooperative * ^
  • Roughrider Electric Cooperative, Inc. * ^
  • Sunflower Electric Power Corporation  @ ^
  • Tri-County Electric Cooperative, Inc. *
  • Tri-State Generation and Transmission Association, Inc. * ^
  • United Power *
  • Western Farmers Electric Cooperative @ ^

Federal Agencies

  • Western Area Power Administration - Upper Great Plains Region @ ^

Independent Power Producers

  • Acciona Wind Energy USA, LLC *
  • Calpine Energy Services, L.P. *
  • Clearway Power Marketing LLC *
  • Constellation Energy Generation, LLC*
  • CPV Renewable Energy Company, LLC *
  • Dogwood Energy, LLC *
  • EDF Renewables Development, Inc. *
  • EDP Renewables North America LLC *
  • Enel Green Power North America, Inc. *
  • Engie North America Inc.*
  • Flat Ridge 2 Wind Energy, LLC *
  • Leeward Renewables Energy, LLC *
  • Midwest Gen, LLC *
  • NG Renewables Energy Marketing, LLC *
  • NextEra Energy Resources, LLC *
  • Pine Gate Renewables, LLC *
  • Savion, LLC *
  • Spearmint Renewable Development Company, LLC *
  • Southern Power Company *
  • Sun2o Partners, LLC *
  • Tenaska Power Services Co. *
  • TransAlta Holdings U.S. inc. *

Independent Transmission Companies

  • Duke-American Transmission Company, LLC *
  • Grain Belt Express LLC*
  • GridLiance High Plains LLC * ^
  • ITC Great Plains, LLC * ^
  • Konza Transmission Company, LLC *
  • NextEra Energy Transmission, LLC *
  • NextEra Energy Transmission Southwest, LLC *
  • Plains and Eastern Clean Line LLC *
  • Prairie Wind Transmission, LLC * ^
  • Southwest Transmission, LLC *
  • Transource Energy, LLC *
  • Transource Oklahoma, LLC *
  • Transource Missouri, LLC  * ^

Investor-Owned

  • American Electric Power
    • AEP Oklahoma Transmission Company, Inc. @ ^
    • AEP Southwestern Transmission Company, Inc. * ^
    • Public Service Company of Oklahoma @ ^
    • Southwestern Electric Power Company @ ^
  • Cleco Power Group, LLC  *
  • The Empire District Electric Company dba Liberty Utilities @ ^
  • Entergy Services, LLC *
  • Evergy 
      • Evergy Kansas Central, Inc. @ ^
      • Evergy Kansas South, Inc. @ ^
      • Evergy Metro, Inc. @ ^
      • Evergy Missouri West, Inc. @ ^
  • NorthWestern Energy Public Service Corporation * ^
  • OGE Transmission, LLC *
  • Oklahoma Gas and Electric Company @ ^
  • Xcel Energy
    • Southwestern Public Service Company @ ^
    • Xcel Energy Southwest Transmission Company, LLC *

Large Retail Customers

  • Continental Resources *
  • Google Energy LLC *
  • Southern Star Central Gas Pipeline, Inc. *
  • Walmart Inc. *

Marketers

  • Boston Energy Trading and Marketing, LLC *
  • DC Energy Midwest, LLC *
  • Devon Gas Services, L.P. *
  • Duke Energy Transmission Holding Company, LLC *
  • Dynegy Power Marketing, Inc.  *
  • Luminant Energy Company, LLC *
  • Mercuria Energy America, LLC *
  • Saskatchewan Power Corporation *
  • Shell Energy North America (US), L.P. *
  • Tungsten Power LP *
  • XO Energy SW, LP *

Public Interest

  • Lignite Energy Council *
  • Natural Resources Defense Council *
  • Sierra Club *
  • Western Resource Advocates *

Municipals

  • City of Coffeyville * ^
  • City of Independence, Missouri * ^
  • City Utilities of Springfield  * ^
  • Harlan Municipal Utilities * ^
  • Kansas City Board of Public Utilities * ^
  • Kansas Municipal Energy Agency *
  • KPP Energy * ^
  • Lafayette Utilities System  *
  • Lincoln Electric System * ^
  • Missouri River Energy Services * ^
  • Municipal Energy Agency of Nebraska *
  • Oklahoma Municipal Power Authority  * ^
  • Public Service Commission of Yazoo City  *

State Agencies

  • The Central Nebraska Public Power & Irrigation District  * ^
  • Grand River Dam Authority  @ ^
  • Heartland Consumers Power District *
  • Missouri Joint Municipal EUC dba Missouri Electric Commission * ^
  • Nebraska Public Power District @ ^
  • Omaha Public Power District @ ^

SPP Contract Participants

  • Southwestern Power Administration # 

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MARKET PARTICIPANTS

The following are Market Participants in SPP's Integrated Marketplace and Transmission Customers of Southwest Power Pool. Of the market participants, some represent load and generation (Asset-owning market participant) while others utilize the financial components only (* Financial-only market participant).

  • Active Power Investments, LLC *
  • AEP Energy Partners, Inc.
  • AEP Energy Partners as agent for The City of South Sioux City, Nebraska
  • Affine Trading LLC *
  • Agile Energy Trading, LLC *
  • AKR Midcon LLC *
  • Alexander Wind Farm, LLC
  • ALLETE Clean Energy, Inc.*
  • Alliant Energy Corporate Services, Inc. *
  • Alphataraxia Nickel, LLC*
  • Altop Energy Trading LLC *
  • Altop Energy Trading SW, LLC *
  • AM Trading Solutions, LLC *
  • American Electric Power Service Corporation
  • Ames Energy, LLC *
  • Amazand Alpha, LLC *
  • Appian Way Energy Partners Southwest, LLC *
  • Arkansas Electric Cooperative Corporation
  • Arkansas Valley Electric Cooperative Corporation
  • Armadillo Flats Wind Project, LLC
  • Aspire Power Ventures, LP *
  • Associated Electric Cooperative, Inc. *
  • ATNV Energy, LP *
  • Atvi Marketing LLC *
  • Aurora Trading Company, LLC *  
  • Automated Algorithums, LLC *
  • Avangrid Renewables, LLC *
  • Basin Electric Power Cooperative-Marketing
  • Bazinga, LLC *
  • Bethel Wind Farm, LLC
  • Big Bend Trading, LLC *
  • Big Rivers Electric Corporation
  • Bilton Wong Power, Inc. *
  • BJ Energy, LLC *
  • Black Hills Colorado Electric, LLC
  • Black Hills Power Inc. *
  • Blackout Power Trading Inc. *
  • Blue Canyon Windpower II, LLC
  • Blue Canyon Windpower V, LLC
  • Blue Cloud Wind Energy, LLC
  • Blueshift Energy, LP *
  • Boston Energy Trading & Marketing, LLC *
  • BP Energy Company *
  • Brookfield Trading & Marketing LP *
  • Buckeye Wind Energy, LLC
  • Calpine Energy Services, L.P. *
  • Caney River Wind Project, LLC *
  • Canopus Power Trading, LLC *
  • Carpe Diem Trading II, LLC *
  • Central Municipal Power Agency and Services *
  • Cheyenne Light, Fuel and Power Company
  • Cielo Power Market, LP
  • Cimarron Wind Energy, LLC
  • Citadel Energy Marketing, LLC *
  • Citadel FNGE Ltd. *
  • Citadel Southwest Energy Ltd. *
  • Citadel Southwest Energy II Ltd. *
  • Citigroup Energy Inc. *
  • City of Chanute 
  • Clarksville Connected Utilities
  • City of Columbia Water and Light
  • City of Farmington NM Electric Utility
  • City of Fremont
  • City of Grand Island 
  • City of Independence, Mo.
  • City of Malden-Board of Public Works
  • City of Neligh, Nebraska
  • City of Piggott-AR Municipal Light Water and Sewer
  • City of Poplar Bluff Municipal Utilities
  • City of Scribner, NE
  • City of South Sioux City, NE
  • Clarksville Connected Utilities
  • Cleburne, LLC *
  • Cleco Power, LLC
  • Cleco Power Group, LLC
  • Colorado Springs Utilities *
  • Columbus River Energy, LLC *
  • Comity, Inc. *
  • Conoco Phillips Company *
  • Continental Carbon Company
  • Continuum Energy Fund, LP *
  • CP Bloom Wind, LLC
  • CP Energy Marketing (US) Inc. *
  • Crocker Wind Farm, LLC *
  • CWP Energy, Inc.*
  • CWP Energy Solution Inc. *
  • Danske Commodities US LLC *
  • Dart Energy, LLC *
  • DC Energy Midwest, LLC *
  • DCET West, LLC *
  • Dempsey Ridge Wind Farm, LLC
  • Dogwood Power Management, LLC
  • DRW Energy Trading LLC * 
  • DV Trading, LLC *
  • Dynasty Power Inc. *
  • Dynasty Energy California, Inc.*
  • East Texas Electric Cooperative, Inc. 
  • EDF Trading North America, LLC 
  • EDP Renewables North America LLC *
  • Effinex, LLC *
  • eKapital Investments, LLC *
  • Elk City Renewables II, LLC
  • Elk City Wind, LLC
  • ELM POWER TRADING, LLC *
  • Emera Energy Services, Inc. *
  • Empire District Electric Company dba Liberty Utilities
  • ENEL Trading North America, LLC
  • Engelhart CTP (US) LLC*
  • ENGIE Energy Marketing NA, Inc.
  • Enverus Inc. *
  • ETC Endure Energy, LLC *
  • Exelon Generation Company, LLC
  • Evergy Metro, Inc. 
  • Evergy Kansas Central, Inc.
  • Entergy Arkansas, LLC *
  • Fantods, LLC *
  • First Commodities International, Inc. *
  • Flat Ridge 2 Wind Energy, LLC
  • FP SPP Capital Partners, LLC *
  • Franklin Power, LLC *
  • Freepoint Commodities, LLC *
  • FreeState Electric Cooperative, Inc.
  • Frontier Windpower II, LLC.
  • Galt Power Inc.
  • Galilean Electricae LLC*
  • GEN IV Investment Opportunities, LLC *
  • Geodesic 4, LLC *
  • Glass Sands Wind Energy, LLC
  • Go Energy, LP *
  • Golden Spread Electric Cooperative Inc.
  • Goodwell Wind Project, LLC
  • Google Energy, LLC
  • Gradient Power, LP *
  • Grand River Dam Authority
  • Grant Plains Wind, LLC *
  • Great Plains Windpark Legacy, LLC
  • Great Prairie Wind, LLC
  • GRG Energy *
  • Gridmatic Inc. *
  • Gridmatic Solanum, LLC *
  • Guzman Energy , LLC *
  • H.Q. Energy Services (U.S.) Inc. *
  • Harlan Municipal Utilities
  • Hartree Partners, LP *
  • Hastings Utilities 
  • Haystack Wind Project, LLC
  • Heartland Consumers Power District *
  • Hermit Energy Trading LLC *
  • Hexis Energy Trading, LLC *
  • High Banks Wind, LLC
  • High Majestic Wind I, LLC
  • High Majestic Wind II, LLC
  • Horizon Hill Wind, LLC *
  • IHG Core Holdings, Ltd. *
  • In Commodities US, LLC *
  • Inertia Power III, LP *
  • Intergrid Midwest Group, LLC *
  • Invenergy Energy Management LLC
  • IR Energy Management, LLC
  • Irish Creek Wind, LLC
  • J. Aron and Company, LLC *
  • Jane Street Energy Trading, LLC *
  • Jayhawk Wind, LLC
  • Jonesboro City Water and Light
  • K2SO LLC *
  • Kansas City Board of Public Utilities
  • Kansas Electric Power Cooperative 
  • Kansas Ethanol, LLC *
  • Kansas Municipal Energy Agency
  • KPP Energy
  • Kiltaro, LLC *
  • Kwantix Trading Fund I, LP *
  • Lagrange Energy Trading, LLC *
  • Lincoln Electric System Marketing
  • Little Blue Wind Project, LLC
  • Macquarie Energy, LLC *
  • Macquarie Energy Trading, LLC *
  • MAG Energy Solutions, Inc. *
  • Magnolia Energy Capital, LLC *
  • Maia Power LLC*
  • Marshall Wind Energy, LLC
  • Maverick Wind Project, LLC
  • MBTU Capital LLC *
  • Mercuria Energy America, Inc. *
  • Merrill Lynch Commodities, Inc. *
  • MET Southwest Trading, LLC *
  • MFT Energy US 1, LLC *
  • MFT Energy US Power LLC *
  • MidAmerican Energy Company
  • Midwest Energy, Inc.
  • Midwest Energy Trading East, LLC *
  • Minco Wind I, LLC
  • Minnesota Power *
  • Minnkota Power Cooperative, Inc. *
  • Missouri Joint Municipal Electric Utility Commission dba Missouri Electric Commission
  • Missouri River Energy Services
  • Monett City Utilities
  • Montana-Dakota Utilities Co. *
  • Monterey SW, LLC *
  • Morgan Stanley Capital Group Inc. *
  • Morningside Heights Energy LLC*
  • Morningstar Commodity Data, Inc. *
  • Municipal Energy Agency of Nebraska*
  • NDC Partners, LLC *
  • Nabla Green Grid, LLC*
  • Nemaha-Marshall Electric Cooperative
  • NextEra Energy Power Marketing, LLC (FPLP)
  • NextEra Energy Power Marketing, LLC (NEMG) *
  • NG Renewables Energy Marketing, LLC 
  • Norlys Energy Trading Americas LLC *
  • Northpoint Energy Solutions Inc. *
  • Northstar Trading Ltd. *
  • NorthWestern Energy Public Service Corporation
  • NPM Energy, LLC *
  • NSP Energy Marketing
  • NSP Energy Trading *
  • NuEnergen, LLC
  • Nyquist, LLC *
  • Oak Hill Energy LLC *
  • Oklahoma Gas and Electric Company
  • Oklahoma Municipal Power Authority
  • Old Mission Energy Trading, LLC *
  • Olympia Renewable Platform, LLC
  • Omaha Public Power District
  • Oneta Power, LLC
  • Otter Tail Power Company
  • Ørsted Onshore North America, LLC
  • Ørsted US Trading LLC *
  • Palmer's Creek Wind Farm, LLC
  • Paragould (AR) Light and Water Commission
  • Peak Energy Capital, LP *
  • Pearl Street Merchant Energy, LLC *
  • Peninsula Power, LLC *
  • People's Electric Cooperative
  • Perast Fund, LP *
  • Persimmon Creek Wind Farm 1, LLC
  • Pharetram Energy Services, Ltd. *
  • Phillips 66 Energy Trading, LLC *
  • Pine Brooke Class A Holdings, LLC *
  • Pine Gate Renewables, LLC *
  • Platte River Power Authority
  • PNT Financial LLC * 
  • Ponderosa Wind, LLC
  • Powerex Corp. *
  • Precept Power, LLC *
  • Protor Energy, LLC *
  • Public Service Co. of Colorado *
  • Public Service Co. of Colorado MISO MP *
  • Public Service Company of Colorado – Balancing Authority 
  • Public Service Company of Colorado - Merchant
  • Pure Energy, Inc. *
  • Quattro Energy LP
  • Rainbow Energy Marketing Corporation
  • Reading Wind Energy, LLC
  • Red Wolf TX2, LLC *
  • RES America Development, Inc.
  • Resale Power Group of Iowa *
  • Resistance Energy Fund, LP *
  • Reuel Energy, LLC *
  • RHEI Energy Partners LP*
  • RiverCrest Power-SOUTH, LLC *
  • Roctop Investments Inc. *
  • Rush Springs A
  • Rush Springs B
  • RVA Energy, LLC *
  • RWE Clean Energy QSE, LLC *
  • Sandalwood Power, LLC *
  • Saracen Energy East LP *
  • Saracen Energy Midwest LP *
  • Sarava, LLC *
  • Scylla Energy, LLC *
  • Second Foundation US Trading, LLC *
  • Seiling Wind, LLC
  • Sempra Gas & Power Marketing, LLC *
  • SESCO SPP Trading, LLC *
  • Shell Energy North America (U.S.), L.P.
  • Sikeston Board of Municipal Utilities
  • SociVolta, Inc. *
  • Soldier Creek Wind, LLC
  • Sooner Wind, LLC
  • Southern Company Buffalo Dunes
  • Southern Company Chisholm View
  • Southern Company Services, Inc. *
  • Southern Power Company
  • Southwestern Power Administration-Transmission
  • Southwestern Public Service Co. PSE
  • SPANSHOAKSAILAB, INC. *
  • SP Energy Trading, LLC *
  • Spotlight Power *
  • Strom Power LLC *
  • Sunflower Electric Power Corporation
  • Sunflower Energy Center, LLC
  • Sustaining Power Solutions, LLC
  • SW Power Trading, LLC *
  • Sweetland Wind Farm, LLC
  • Synergy Energy Trading, LLC *
  • Talen Energy Marketing, LLC
  • TC Energy Marketing, Inc. *
  • TEC Energy, Inc. *
  • Tenaska Power Services Co.
  • Tenaska Power Services Co. (TPS 1)
  • Tenaska Power Services Co. (TPS 2)
  • Tenaska Power Services Co. (TPS 3)
  • Tenaska Power Services Co. (TPS 4)
  • Tenaska Power Services Co. (TPS 5) *
  • Tenaska Power Services Co. (TPS 6) *
  • Tenaska Power Services Co. (TPS 7) *
  • Tenaska Power Services Co. (TPS 8) *
  • Tennessee Valley Authority *
  • The Energy Authority, Inc.
  • The Doniphan Electric Cooperative Association, Inc. 
  • The Manitoba Hydro-Electric Board *
  • Thordin ApS*
  • Thunderhead Wind Energy, LLC
  • Tidal Energy Marketing (US), LLC *
  • Tios Capital, LLC *
  • Trafigura Trading, LLC *
  • Trailstone Energy Marketing, LLC *
  • Trailstone Renewables, LLC *
  • TransAlta Energy Marketing (U.S.) Inc. *
  • Triolith Energy Fund, LP *
  • Tri-State Generation and Transmission Association, Inc. *
  • Tungsten Power LLC *
  • Twig Redwood Inc. *
  • Twin Eagle Resource Management, LLC *
  • Tyne Hill Investments, LP *
  • Tyr Energy, LLC
  • Uncia Energy LP - Series D *
  • Union Electric Co. d.b.a Ameren MIssouri
  • Uniper Global Commodities North America LLC *
  • United Power, Inc.
  • Upstream Wind Energy, LLC
  • VECO Power Trading, LLC *
  • Velocity American Energy Master I, L.P. *
  • Viribus Fund LP *
  • Vitol, Inc. *
  • Voltus, Inc.
  • Wabash Valley Power Association, Inc.
  • Weatherford Wind, LLC
  • Western Area Power Administration - Rocky Mountain Region *
  • Western Area Power Administration - Upper Great Plains Marketing
  • Western Area Power Administration - Upper Great Plains Region
  • Western Farmers Energy Services
  • White Rock Wind East, LLC
  • White Rock Wind West,  LLC
  • WinPower LLC *
  • WXP Investments, LLC *
  • XO Energy SW, L.P. *
  • XO Energy SW2, L.P. *
  • Yuma Electric Power *
  • Z&Y Energy Trading LLC *
  • ZGE Arkansas LLC *
  • Zion Energy, LLC *

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