Duke Energy Ohio, Inc. and Duke Energy Kentucky, Inc. Successfully Integrated Into PJM

Jan 3, 2012 8:27 PM

At midnight Eastern Time, Jan. 1, PJM Interconnection successfully assumed operational control of the transmission systems of Duke Energy Ohio, Inc. and Duke Energy Kentucky, Inc., both subsidiaries of Duke Energy Corporation, and began administering open, competitive wholesale electricity markets in those areas.

With the integrations, PJM's all-time peak demand would have been 163,848 megawatts (MW). PJM now includes 185,600 MW of generating capacity and more than 62,000 miles of transmission lines. The generators in PJM can produce more electricity than Canada and Mexico combined.

Statistics for PJM with the addition of Duke Energy Ohio and Kentucky are in the table below.

Key Statistics	PJM 1993 (PJM Interconnection Association formed)	PJM *as of May 31, 2011*	PJM *with ATSI & CPP*	PJM with Duke OH & KY
Millions of people served	22	54	58	60.1
All-time peak demand	46,429	144,644	158,448	163,848
Generating capacity in megawatts	55,575	167,362	180,400	185,600
Miles of transmission lines	6,821	56,750	61,200	62,591
Square miles of territory	48,700	168,500	211,000	214,000

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