Investor-owned utility

Investor-owned utilities (IOUs) are private enterprises[1] acting as public utilities. Examples may range from a family that owns a well on their property to international energy conglomerates.

Investor-owned electric power delivery utilities with assets in the United States of America[2][3][4]
Parent companyOperating companyOperating states
AES Corporation (AES)Indianapolis Power & LightIN
Dayton Power and LightOH
Allete (ALE)Minnesota PowerMN
Superior Water, Light and PowerWI
Alliant Energy (LNT)Interstate Power and LightIA
Wisconsin Power and LightWI
Ameren (AEE)Ameren IllinoisIL
Ameren MissouriMO
American Electric Power (AEP)AEP OhioOH, WV
AEP TexasTX
Appalachian PowerTN, VA, WV
Indiana Michigan PowerIN, MI
Kentucky PowerKY
Public Service Company of OklahomaOK
Southwestern Electric PowerTX
American Transmission CompanyAmerican Transmission CompanyWI, MI
Avista Corporation (AVA)Avista UtilitiesID, WA
Black Hills Corporation (BKH)Black Hills PowerCO, SD, IA, KS, NE
Cheyenne Light, Fuel & PowerWY
CenterPoint Energy (CNP)CenterPoint EnergyTX
Fortis Inc. (FTS)Central Hudson Gas & ElectricNY
Cleco HoldingsClecoLA
Consolidated Edison (ED)Consolidated EdisonNY
Orange and Rockland UtilitiesNY, NJ, PA
CMS Energy (CMS)Consumers EnergyMI
Dominion EnergyDominion Virginia PowerVA
Dominion North Carolina PowerNC
DQEDuquesne LightPA
DTE Energy Electric Company (DTE)Detroit EdisonMI
Duke Energy (DUK)Duke Energy CarolinasNC, SC
Duke Energy ProgressNC, SC
Duke Energy IndianaIN
Duke Energy OhioOH
Duke Energy KentuckyKY
Duke Energy FloridaFL
Edison International (EIX)Southern California EdisonCA
El Paso Electric (EE)El Paso ElectricTX, NM
EmeraBangor Hydro ElectricME
Maine Public ServiceME
√ČnergirCentral Vermont Public ServiceVT
Green Mountain PowerVT
Energy Future HoldingsOncor Electric DeliveryTX
Entergy (ETR)Entergy ArkansasAR
Entergy LouisianaLA
Entergy Gulf StatesLA
Entergy MississippiMS
Entergy New OrleansLA
Entergy TexasTX
Eversource Energy (ES)Connecticut Light & PowerCT
Public Service New HampshireNH
Western Massachusetts ElectricMA
Exelon (EXC)Commonwealth EdisonIL
Philadelphia ElectricPA
Baltimore Gas & ElectricMD
Potomac Electric PowerDC, MD
Delmarva PowerDE, MD
Atlantic City ElectricNJ
FirstEnergy (FE)Ohio EdisonOH
Cleveland Electric IlluminatingOH
Toledo EdisonOH
Pennsylvania PowerPA
PenelecPA
Met-EdPA
Jersey Central P&LNJ
Allegheny EnergyPA
Monongahela PowerWV
Potomac EdisonMD, WV, VA
West PennPA
Great Plains EnergyKansas City Power and LightMO, KS
Hawaiian Electric Industries (HE)Hawaii Electric CompanyHI
Hawaii Electric Light CompanyHI
Maui Electric CompanyHI
Iberdrola (IBE.MC)Rochester Gas & ElectricNY
New York State Electric & GasNY
Central Maine PowerME
Integrys Energy GroupWisconsin Public Service CorporationWI
Upper Peninsula Power CompanyMI
ITC HoldingsITC TransmissionMI
Michigan Electric Transmission CompanyMI
ITC MidwestIA, MN, IL, MO
ITC Great PlainsOK, KS
MDU Resources (MDU)Montana-Dakota UtilitiesMT, ND, SD, WY
MGE Energy (MGEE)Madison Gas and ElectricWI
Berkshire Hathaway EnergyMidAmerican Energy CompanyIA, IL, SD, NE
Pacificorp--Pacific PowerOR, CA, WA
Pacificorp--Rocky Mountain PowerUT, WY, ID
NV EnergyNV, CA
National Grid plc (NGG)New England PowerMA, NH, RI, VT, CT, ME
Massachusetts ElectricMA
Nantucket ElectricMA
Narragansett ElectricMA
Granite State ElectricNH
Niagara Mohawk PowerNY
Long Island LightingNY
NextEra Energy (NEE)Florida Power & LightFL
NiSource (NI)Northern Indiana Public Service CompanyIN
NorthWestern Corporation (NWE)NorthWestern EnergySD, MT, NE
NRG Energy (NRG)Reliant EnergyTX
NSTAR (NSARO)Boston EdisonMA
Cambridge Electric LightMA
Commonwealth ElectricMA
OGE Energy Corporation (OGE)Oklahoma Gas & ElectricOK, AR
Otter Tail Corporation (OTTR)Otter Tail PowerND, MN, SD
PG&E Corporation (PCG)Pacific Gas & Electric CompanyCA
Pinnacle West Capital (PNW)Arizona Public ServiceAZ
PNM Resources (PNM)Public Service Company of New MexicoNM
Texas-New Mexico PowerTX
Portland General Electric (POR)Portland General ElectricOR
PPL Corporation (PPL)PPL Electric UtilitiesPA
Louisville Gas & ElectricKY
Kentucky UtilitiesKY
Public Service Enterprise Group (PEG)Public Service Electric & GasNJ
Puget EnergyPuget Sound EnergyWA
SCANA (SCG)South Carolina Electric & Gas CompanySC
Sempra Energy (SRE)San Diego Gas & ElectricCA
Southern Company (SO)Alabama PowerAL
Georgia PowerGA
Gulf PowerFL
Mississippi PowerMS
TECO EnergyTampa ElectricFL
UGI Corporation (UGI)United Electric CompanyPA
UIL Holdings CorporationThe United Illuminating CompanyCT
UniSource EnergyTucson Electric PowerAZ
UNS ElectricAZ
Unitil (UTL)Unitil EnergyMA, NH
Fitchburg Gas & ElectricMA
Vectren (VVC)Southern Indiana Gas and ElectricIN
Westar EnergyWestar EnergyKS
Wisconsin Energy CorporationWe EnergiesWI
Xcel Energy (XEL)Northern States Power CompanyMN, ND, SD, WI
Public Service ColoradoCO
Southwestern Public ServiceNM, TX

References

  1. "Differences Between Publicly and Investor-Owned Utilities". California Energy Commission. California Energy Commission. Retrieved 29 January 2019.
  2. Energy Dictionary
  3. "Electric Utilities". www.utilityconnection.com.
  4. Pentland, William. "Investor-Owned Utilities: Asleep at the Switch or Above the Law?". Forbes.
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