EX-99 9 ex99-7.txt EXHIBIT 99.7 EXHIBIT 99.7 [LOGO FOR EXELON] Total Generation by NERC Region (43,646 MW) [Handout includes a pie chart showing total generation by NERC region, by percentage, as follows: MAAC 24% SERC 2% NPCC 8% SPP 2% MAIN 55% ECAR 1% ERCOT 8%] Energy Markets: MAAC: Mid-Atlantic Area Council SPP: Southwest Power Pool NPCC: Northeast Power Coordinating Council WSCC: Western Systems Coordinating Council MAIN: Mid-America Interconnected Network region ERCOT: Electric Reliability Council of Texas ECAR: East Central Area Reliability Coordination Agreement SERC: Southeastern Electric Reliability Council