News | June 2, 2011

First Energy's American Transmission Systems, Inc. And Cleveland Public Power Successfully Integrated Into PJM

Regional Operations Strengthen Reliability, Coordination and Competition

Valley Forge, PA., /PRNewswire/ -- PJM Interconnection has announced that at 1:00 a.m. (EDT) PJM assumed operational control of the transmission systems of American Transmission Systems, Inc.(ATSI) and Cleveland Public Power (CPP) and began administering open, competitive wholesale electricity markets in those areas. ATSI is the transmission affiliate of FirstEnergy. CPP is the municipal utility of the City of Cleveland.

The integration included the following FirstEnergy utilities, Toledo Edison, Ohio Edison, Cleveland Electric Illuminating and Penn Power. All of FirstEnergy's utilities are now in PJM.

With the integrations, PJM's all-time peak demand would have been 158,448 megawatts (MW). PJM now includes 180,400 MW of generating capacity and more than 61,000 miles of transmission lines.

"PJM believes the consolidation of FirstEnergy's RTO membership will further enhance the reliability and competitive electricity markets of the region," said Terry Boston, president and chief executive officer of PJM. "PJM's markets support the development of renewable resources, energy efficiency and demand response, which aligns with the policies of the states of Pennsylvania and Ohio."

Statistics for PJM with the addition of ATSI and CPP are in the table below.


Key Statistics	PJM 1993 (PJM Interconnection Association formed)	PJM as of May 31, 2011	PJM with ATSI and CPP
Millions of people served	22	54	58
All-time peak demand	46, 429	144,644	158,448
Generating capacity in megawatts	55,575	167,362	180,400
Miles of transmission lines	6,821	56,750	61,200
Square miles of territory	48,700	168,500	211,000

PJM Interconnection, founded in 1927, ensures the reliability of the high-voltage electric power system serving 58 million people in all or parts of Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia and the District of Columbia. PJM coordinates and directs the operation of the region's transmission grid, which includes 6,038 substations and 61,000 miles of transmission lines; administers a competitive wholesale electricity market; and plans regional transmission expansion improvements to maintain grid reliability and relieve congestion. Visit PJM at www.pjm.com.

SOURCE :PJM Interconnection