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.  *
• 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.*
• Entergy Asset Management *
• Flat Ridge 2 Wind Energy, LLC *
• Leeward Renewables Energy, LLC *
• Midwest Gen, LLC *
• NG Renewables Energy Marketing, LLC*
• NextEra Energy Resources, LLC *
• Savion, LLC *
• Southern Power Company *
• Tenaska Power Services Co.  *

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 Corporation dba Northwestern Energy * ^
• 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 *
• Cargill Power Markets LLC *
• DC Energy Midwest, LLC *
• Devon Gas Services, L.P. *
• DTE Energy Trading, Inc. *
• Duke Energy Transmission Holding Company, LLC *
• Dynegy Power Marketing, Inc.  *
• Luminant Energy Company, LLC *
• Mercuria Energy America, LLC *
• NRG Power Marketing, LLC *
• Saskatchewan Power Corporation *
• Shell Energy North America (US), L.P. *
• XO Energy SW, LP *

Public Interest

• Lignite Energy Council *
• Natural Resources Defense Council *

Municipals

• City of Coffeyville * ^
• City of Independence, Missouri * ^
• City Utilities of Springfield  * ^
• Clarksdale Public Utilities Commission *
• Harlan Municipal Utilities * ^
• Kansas City Board of Public Utilities * ^
• Kansas Municipal Energy Agency *
• Kansas Power Pool (KPP) * ^
• 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 @ ^
• Northeast 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 *
• Alexander Wind Farm, LLC
• Alliant Energy Corporate Services, Inc. *
• 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 *
• 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 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 *
• Cielo Power Market, LP
• Cimarron Wind Energy, LLC
• Citadel FNGE Ltd. *
• Citigroup Energy Inc. *
• City of Chanute 
• City of Clarksville
• City of Columbia Water and Light
• 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
• Cleburne, LLC *
• Cleco Power, LLC
• Cleco Power Group, LLC
• Colorado Springs Utilities *
• Columbus River Energy, LLC *
• 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.*
• Danske Commodities US LLC *
• Darby Energy, LLC *
• DC Energy Midwest, LLC *
• DC Transco, LLC *
• Dempsey Ridge Wind Farm, LLC
• Dogwood Power Management, LLC 
• DTE Energy Trading Inc. *
• 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 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
• FPL Energy Sooner Wind, 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*
• Galilean Electricity Investors I, LP *
• 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 *
• Group628, LLC *
• Guzman Energy , LLC *
• Guzman Energy Partners, LLC *
• H.Q. Energy Services (U.S.) Inc. *
• Harlan Municipal Utilities
• Hartree Partners, LP *
• Hastings Utilities *
• Haystack Wind Project, LLC
• Heartland Consumers Power District *
• Heartland Power LLC *
• Hermes Investment Holdings Limited *
• Hexis Energy Trading, LLC *
• High Majestic Wind I, LLC
• High Majestic Wind II, 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 *
• Jayhawk Wind, LLC
• Jonesboro City Water and Light
• Kansas City Board of Public Utilities
• Kansas Electric Power Cooperative 
• Kansas Ethanol, LLC *
• Kansas Municipal Energy Agency
• Kansas Power Pool
• 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 *
• 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 *
• 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 *
• Nemaha-Marshall Electric Cooperative
• NextEra Energy Power Marketing, LLC (FPLP)
• NextEra Energy Power Marketing, LLC (NEMG) *
• NG Renewables Energy Marketing, LLC *
• Northpoint Energy Solutions Inc. *
• Northstar Trading Ltd. *
• NorthWestern Corporation dba NorthWestern Energy
• NPM Energy, LLC *
• NRG Power Marketing, LLC *
• NSP Energy Marketing
• NSP Energy Trading *
• Nyquist, LLC *
• Oak Hill Energy LLC *
• Oklahoma Gas and Electric Company
• Oklahoma Municipal Power Authority
• 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 *
• Ponderosa Wind, LLC
• Powerex Corp. *
• Precept Power, LLC *
• Protor Energy, LLC *
• Public Service Co. of Colorado *
• Public Service Co. of Colorado MISO MP *
• 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 *
• Reuel Energy, LLC *
• RiverCrest Power-SOUTH, LLC *
• Roctop Investments Inc. *
• Rush Springs A
• Rush Springs B
• RWE Energy Services, LLC *
• RWE Clean Energy QSE, LLC *
• Sandalwood Power, LLC *
• Saracen Energy East LP *
• Saracen Energy Midwest LP *
• Sarava, LLC *
• Scylla Energy, LLC *
• Seiling Wind, LLC
• Sempra Gas & Power Marketing, LLC *
• SESCO SPP Trading, LLC *
• Shell Energy North America (U.S.), L.P.
• 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
• Sustaining Power Solutions, LLC
• SW Power Trading, 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 *
• Tungsten Power LLC *
• 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 *
• Upstream Wind Energy, LLC
• VECO Power Trading, LLC *
• Velocity American Energy Master I, L.P. *
• 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
• WinPower LLC *
• WXP Investments, LLC *
• XO Energy SW, L.P. *
• XO Energy SW2, L.P. *
• Yuma Electric Power *
• Z&Y Energy Trading LLC *

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