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POWER GENERATION The utility operates nine fossil-fuel generating plants, as well as the Fermi 2 nuclear power plant. The company also is co-owner with Consumers Energy Co. of a hydroelectric pumped storage facility in Ludington, Michigan. Detroit Edison uses coal to generate about 85 percent of its total electrical output, with the remainder produced from nuclear fuel and natural gas. At 3,300 megawatts, Detroit Edisons's Monroe Power Plant has the second largest generating capacity of any coal fired powerplant in North America . Only Southern Company 's Bowen Power Plant located near Atlanta, Georgia has more generating capacity. ENERGY TRANSMISSION Due to electric utility deregulation in Michigan, DTE Energy was forced to sell off Detroit Edison's sister subsidiary involved in high-voltage energy transmission: International Transmission Co. (ITC) ENERGY DISTRIBUTION Detroit Edison's near 11-gigawatt generating capacity is offered to its 7600-square-mile service area, which encompasses 13 counties in the southeastern portion of Michigan 's lower peninsula. Energy is distributed throughout Huron , Tuscola , Sanilac , Saint Clair , Lapeer , Livingston , Ingham , Oakland , Macomb , Wayne , Washtenaw , Lenawee and Monroe counties by over a million utility poles and 44,000 miles of power lines. Detroit Edison/ITC's Transmission line voltages are 345,000 volts, 230,000 volts and 120,000 volts. Edison's subtransmission voltages are 40,000 volts and 24,000 volts and the distribution voltages are 13,200 volts and 4,800 volts. All new distibution circuits constructed after 1959 are 13,200 volts. ELECTRIC GRID INTERCONNECTIONS Detroit Edison has three 345KV interconnections with First Energy Corporation in Ohio. (Bayshore-Monroe line, Majestic-Monroe-Allen Junction line, and the Majestic-Lemoyne line). There are four 345KV interconnections with Consumers Energy to the west of Detroit Edison's service area. (Majestic-Tompkins line, Majestic-Oneida line, Jewell-Thetford line, and the Pontiac-Hampton line) There are two 345KV interconnections with Hydro One in Ontario , Canada . (St. Clair-Lambton #1 and St. Clair-Lambton #2) There are two 230KV interconnections with Hydro One in Ontario , Canada . (Keith-Waterman line and the Bunce Creek-Scott line} There are four 120KV interconnections with Consumers Energy . Since Consumers Energy 's transmission voltage is 138KV, Detroit Edison has 120/138 KV transformers in the substations on their end of the lines so that they can tie into Consumers Energy 's system. The 120 KV interconnections are the Custer-Whiting line, Genoa-Latson line, Hemphill-Hunters Creek line and the Atlanta-Thetford-Karn line. EXTERNAL LINKS |
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