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  2. Electric Power Systems Partnership
  3. Connect with the EPS Partnership

EPS Industry Collaborators

The table below provides a list of organizations that have collaborated with the Electric Power Systems Partnership. These electric utilities companies are committed to the voluntary reduction of SF6 emissions through cost-effective operational improvements and equipment upgrades.

Please note: EPA may not endorse the products or services of commercial companies. Any reference to a specific commercial product or service by trade name, trademark, manufacturer, company, or otherwise does not constitute or imply the endorsement or recommendation of EPA.

PartnerCityStateComment
Allegheny PowerGreensburgPAA subsidiary of First Energy Corporation
American Electric PowerColumbusOH 
Arizona Public Service (APS)PhoenixAZ 
Athens Electric DepartmentAthensAL 
Austin EnergyAustinTX 
Baltimore Gas and ElectricBaltimoreMDA subsidiary of Exelon Energy Delivery
Big Rivers Electric CorporationHendersonKY 
Bonneville Power AdministrationPortlandOR 
Boston Edison CompanyBostonMAA subsidiary of Eversource Energy
California Department of Water ResourcesSacramentoCA 
Cambridge Electric Light CompanyBostonMAA subsidiary of Eversource Energy
CenterPoint EnergyHoustonTX 
Central Maine Power CompanyAugustaME 
ComEd Energy DeliverChicagoILA subsidiary of Exelon Energy Delivery
Commonwealth Electric CompanyBostonMAA subsidiary of Eversource Energy
Connecticut Light and Power CompanyBerlinCTA subsidiary of Northeast Utilities Services Co.
Consolidated Edison Company of New York, Inc.New YorkNY 
CPS EnergySan AntonioTX 
Duquesne Light CompanyPittsburghPA 
Edison InternationalRosemeadCA 
El Paso Electric CompanyEl PasoTX 
Entergy CorporationNew OrleansLA 
Eugene Water & Electric BoardEugeneOR 
EvergyTopekaKSMerger between Westar Energy and Kansas City Power & Light.
Exelon Energy DeliveryOakbrook TerraceIL 
First Energy CorporationAkronOH 
Fort Pierce Utilities AuthorityFort PierceFL 
Grand Island Utilities DepartmentGrand IslandNE 
Granite State ElectricNorthboroughMAA subsidiary of National Grid
Green Mountain PowerRutlandVT 
Hastings UtilitiesHastingsNE 
ITC TransmissionNoviMI 
Kings River Conservation DistrictFresnoCA 
Los Angeles Department of Water and PowerLos AngelesCA 
Louisville Gas and Electric Company (LG&E) and Kentucky Utilities Company (KU)LouisvilleKY 
Lower Colorado River AuthorityAustinTX 
Manitowoc Public UtilitiesManitowocWI 
Massachusetts ElectricNorthboroughMAA subsidiary of National Grid
Memphis Light, Gas & Water Division, TheMemphisTN 
Menasha Electric and Water UtilitiesMenashaWI 
MidAmerican EnergyDes MoinesIA 
Montana-Dakota UtilitiesBismarckND 
Muscatine Power and WaterMuscatineIA 
Nantucket ElectricNantucketMAA subsidiary of National Grid
Narragansett ElectricProvidenceRIA subsidiary of National Grid
Nashville Electric ServiceNashvilleTN 
National GridNortheastern U.S.  
Nebraska Public Power DistrictColumbusNE 
New England Electric Transmission CorporationWestboroughMAA subsidiary of National Grid
New England Hydro-Transmissions Company Inc.WestboroughMAA subsidiary of National Grid
New England Power CompanyWestboroughMAA subsidiary of National Grid
New Hampshire Transmission- Seabrook StationSeabrookNH 
New York Power AuthorityNew YorkNY 
New York State Electric and GasIthacaNY 
Niagara Mohawk Power Corp.SyracuseNYA subsidiary of National Grid
Northeast Utilities Services CompanyHartfordCT 
Northern Indiana Public Service CompanyMerrivilleIN 
NSTAR Electric and GasWestwoodMAA subsidiary of Eversource Energy
Oglethorpe PowerTuckerGA 
Oklahoma Gas and Electric Corporation (OG&E)Oklahoma CityOK 
OncorDallasTX 
Otter Tail Power CompanyFergus FallsMN 
Pacific PowerPortlandORA subsidiary of Pacificorp
PacificorpPortlandOR 
Palo Alto Utilities, City ofPalo AltoCA 
PECO Energy DeliveryPhiladelphiaPAA subsidiary of Exelon Energy Delivery
PG & E CorporationSan FranciscoCA 
PNM ResourcesAlbuquerqueNM 
Public Service Company of New HampshireManchesterNHA subsidiary of Northeast Utilities Services Co.
PUD No. 1 of Douglas CountyEast WenatcheeWA 
PUD No. 1 of Pend Oreille CountyNewportWA 
Rochester Gas & ElectricRochesterNY 
Rocky Mountain PowerPortlandORA subsidiary of Pacificorp
Sacramento Municipal Utility District (SMUD)SacramentoCA 
Salt River ProjectPhoenixAZ 
San Diego Gas and ElectricSan DiegoCA 
Seattle City LightSeattleWA 
Silicon Valley PowerSanta ClaraCA 
South Carolina Electric & Gas CompanyColumbiaSC 
Southern CompanyAtlantaGA 
Tennessee Valley AuthorityChattanoogaTN 
Texas Municipal Power AgencyBryanTX 
Vermont Electric CooperativeJohnsonVT 
Vermont Transco LLCRutlandVT 
Versant PowerBangorME 
Wallingford Electric DivisionWallingfordCT 
We EnergiesMilwaukeeWI 
Western Massachusetts Electric CompanyWest SpringfieldMAA subsidiary of Northeast Utilities Services Co.

Electric Power Systems Partnership

  • Electric Power Systems Partnership
    • About the Partnership
  • Sulfur Hexafluoride (SF6) Basics
  • Mitigation Opportunities
    • Best Practices
    • SF6 Alternatives
      • Alternatives Benefits Calculator
  • Additional Resources
    • Regulatory Information
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  • Accomplishments
  • Connect with the EPS Partnership
    • Events & Webinars
    • Service Provider Directory
    • EPS Industry Collaborators
Contact Us About the Electric Power Systems Partnership
Contact Us About the Electric Power Systems Partnership to ask a question, provide feedback, or report a problem.
Last updated on July 2, 2025
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