UTILITY NAME TOTAL CONSUMERS OWNERSHIP …

1 UTILITY_NAMEOWNERSHIPRESIDENTIAL_CONSUME RSTOTAL_CONSUMERSThe 122 Largest Electric Utilities in America /Where the TOTAL number of residential Customers/ UTILITY > 200,000 Alabama Power CoALInvestor Owned1,212,2441,435,370 Appalachian Power CoVAInvestor Owned443,473518,043 Appalachian Power CoWVInvestor Owned372,131439,831 Arizona Public Service CoAZInvestor Owned986,3631,111,494 Atlantic City Electric CoNJInvestor Owned479,875544,816 Austin EnergyTXMunicipal355,628400,005 Avista CorpWAInvestor Owned207,576231,553 Baltimore Gas & ElectricMDInvestor Owned1,081,5001,173,526 CECG Maine, LLCMER etail Power264,827284,751 Central Hudson Gas &NYInvestor Owned244,470288,258 Central Illinois Pub ServILInvestor Owned335,475389,083 Central Maine Power CoMEInvestor Owned538,925601,245 Cleco Power LLCLAI nvestor Owned232,443271,663 Cleveland Electric IllumOHInvestor Owned620,612701,554 Columbus SouthernOHInvestor Owned665,306746,664 Commonwealth EdisonILInvestor Owned3,439,4553,763,832 Connecticut Light &CTInvestor Owned1,035,1541,131.

2 957 Consolidated Edison Co-NYInvestor Owned2,312,6502,704,593 Consolidated Edison Co-NYInvestor Owned456,629556,908 CONSUMERS Energy CoMIInvestor Owned1,584,7521,804,232 CPL Retail Energy, LPTXR etail Power295,609359,389 Dayton Power & Light CoOHInvestor Owned456,609514,094 Delmarva PowerDEInvestor Owned257,671286,262 Detroit Edison CoMIInvestor Owned1,950,8052,148,520 Direct Energy, LPTXR etail Power329,003357,014 Duke Energy Carolinas,NCInvestor Owned1,563,5431,827,491 Duke Energy Carolinas,SCInvestor Owned448,461536,925 Duke Energy Indiana IncINInvestor Owned673,414776,647 Duke Energy Ohio IncOHInvestor Owned602,717677,178 Duquesne Light CoPAInvestor Owned410,302462,088El Paso Electric CoTXInvestor Owned242,688273,185 EIA 861 2008 File 2 pg 1 2011 Negawatt : EIA.

3 2008 DataUTILITY_NAMEOWNERSHIPRESIDENTIAL_CON SUMERSTOTAL_CONSUMERSThe 122 Largest Electric Utilities in America /Where the TOTAL number of residential Customers/ UTILITY > 200,000 Entergy Arkansas IncARInvestor Owned579,291688,951 Entergy Gulf StatesLAInvestor Owned320,346374,390 Entergy Louisiana IncLAInvestor Owned572,664659,772 Entergy Mississippi IncMSInvestor Owned363,382433,720 Entergy Texas Owned347,776396,885 First Energy SolutionsOHRetail Power231,281276,827 Florida Power & Light CoFLInvestor Owned3,992,2624,509,739 FPL Energy PowerMERetail Power216,842243,562 Georgia Power CoGAInvestor Owned2,036,5572,346,766 Gulf Power CoFLInvestor Owned374,709429,302 Hawaiian Electric Co IncHIInvestor Owned259,929293,740 Idaho Power CoIDInvestor Owned389,177466,133 Illinois Power CoILInvestor Owned551,066620,341 Independence PowerMERetail Power580,705580,705 Indiana Michigan PowerINInvestor Owned398,227455,120 Indianapolis Power &INInvestor Owned415,979468,203 Interstate Power andIAInvestor Owned407,695483,109 JEAFLM unicipal365,872414.

4 769 Jersey Central Power & LtNJInvestor Owned965,5091,089,051 Kansas City Power &KSInvestor Owned210,229237,832 Kansas City Power &MOInvestor Owned238,921271,440 Kansas Gas & Electric CoKSInvestor Owned274,906313,060 KCP&L Greater MissouriMOInvestor Owned272,319310,924 Kentucky Utilities CoKYInvestor Owned415,712506,419 Long Island PowerNYState991,3851,109,352 Los Angeles City ofCAMunicipal1,264,2711,461,521 Louisville Gas & ElectricKYInvestor Owned353,173400,699 Massachusetts ElectricMAInvestor Owned1,051,2151,173,289 Memphis City ofTNMunicipal366,220410,518 Metropolitan Edison CoPAInvestor Owned482,596547,557 MidAmerican Energy CoIAInvestor Owned543,912631,866 EIA 861 2008 File 2 pg 2 2011 Negawatt : EIA.

5 2008 DataUTILITY_NAMEOWNERSHIPRESIDENTIAL_CON SUMERSTOTAL_CONSUMERSThe 122 Largest Electric Utilities in America /Where the TOTAL number of residential Customers/ UTILITY > 200,000 Monongahela Power CoWVInvestor Owned328,147381,193 Nashville Electric ServiceTNMunicipal316,005357,020 Nevada Power CoNVInvestor Owned724,942825,693 New York State Elec &NYInvestor Owned653,965731,468 Niagara Mohawk PowerNYInvestor Owned1,271,4071,381,275 Northern Indiana PubINInvestor Owned399,937456,302 Northern States PowerWIInvestor Owned201,250237,952 Northern States PowerMNInvestor Owned1,078,1891,208,773 NorthWesternMTInvestor Owned265,912330,159 NSTAR Electric CompanyMAInvestor Owned785,251898,237 Ohio Edison CoOHInvestor Owned776,457872,218 Ohio Power CoOHInvestor Owned609,365711,447 Oklahoma Gas & ElectricOKInvestor Owned603,637702,603 Omaha Public PowerNEPolitical296,648339,657 Pacific Gas & Electric CoCAInvestor Owned4,621,8785,268,369 PacifiCorpORInvestor Owned466,709552,953 PacifiCorpUTInvestor Owned690,820780,339 PECO Energy CoPAInvestor Owned1,404.

6 0011,543,339 Pedernales Electric Coop,TXCooperative207,460227,890 Pennsylvania Electric CoPAInvestor Owned501,663585,238 Portland General ElectricORInvestor Owned710,991810,899 Potomac Electric PowerDCInvestor Owned213,765234,855 Potomac Electric PowerMDInvestor Owned443,496475,144 PPL Electric Utilities CorpPAInvestor Owned1,217,5741,392,410 Progress EnergyNCInvestor Owned1,079,3681,274,593 Progress Energy FloridaFLInvestor Owned1,449,0411,638,911 Public Service Co ofCOInvestor Owned1,133,1531,341,618 Public Service Co of NHNHI nvestor Owned418,096492,681 Public Service Co of NMNMI nvestor Owned440,935495,284 Public Service Co ofOKInvestor Owned452,118525,801 Public Service Elec & GasNJInvestor Owned1,834,5292,108,177 EIA 861 2008 File 2 pg 3 2011 Negawatt : EIA.

7 2008 DataUTILITY_NAMEOWNERSHIPRESIDENTIAL_CON SUMERSTOTAL_CONSUMERSThe 122 Largest Electric Utilities in America /Where the TOTAL number of residential Customers/ UTILITY > 200,000 Puerto Rico Electric PwrPRState1,318,4981,452,946 Puget Sound Energy IncWAInvestor Owned939,4401,063,927 Reliant Energy RetailTXRetail Power1,539,6691,757,280 Rochester Gas & ElectricNYInvestor Owned261,889286,243 Sacramento Municipal UtilCAPolitical522,951590,677 Salt River ProjectAZPolitical845,724939,579 San Antonio City ofTXMunicipal611,509689,339 San Diego Gas & ElectricCAInvestor Owned1,213,2791,362,846 Seattle City ofWAMunicipal348,109387,714 Sierra Pacific Power CoNVInvestor Owned275,701319,797 Snohomish County PUDWAP olitical288,248317,612 South CarolinaSCInvestor Owned554,099647,151 Southern CaliforniaCAInvestor Owned4,231,9434,838,397 Southwestern PublicTXInvestor Owned219,650279,551 Stream EnergyTXRetail Power292,511304,279 Tampa Electric CoFLInvestor Owned587,602667,266 The Narragansett ElectricRIInvestor Owned424,739478.

8 644 The Potomac Edison CoMDInvestor Owned217,831242,438 The Toledo Edison CoOHInvestor Owned248,770270,430 Tucson Electric Power CoAZInvestor Owned362,731398,574 TXU Energy Retail Co LPTXR etail Power1,932,0312,213,816 Union Electric CoMOInvestor Owned1,039,1691,196,119 United Illuminating CoCTInvestor Owned270,421293,175 Virginia Electric & PowerVAInvestor Owned2,023,5922,268,601 West Penn Power CoPAInvestor Owned617,772713,401 Westar Energy IncKSInvestor Owned316,326364,752 Wisconsin Electric PowerWIInvestor Owned972,7411,084,337 Wisconsin Power & LightWIInvestor Owned396,499453,880 Wisconsin Public ServiceWIInvestor Owned372,286426,393 EIA 861 2008 File 2 pg 4 2011 Negawatt : EIA.

9 2008 Data