Who is louisville gas and electric company? Our company. Louisville Gas and Electric Company and Kentucky Utilities Company, part of the PPL Corporation (NYSE: PPL) family of companies, are regulated utilities that serve nearly 1.3 million customers and have consistently ranked among the best companies for customer service in the United States.How many customers does lge serve in kentucky? LG&E serves 328,000 natural gas and 414,000 electric customers in Louisville and 16 surrounding counties. KU serves 555,000 electric customers in 77 Kentucky counties and five counties in Virginia.What happened to lge energy corporation? In 1913, Louisville Gas, Louisville Lighting, and Kentucky Heating merged to form Louisville Gas & Electric (LG&E). In 1979, the construction of Trimble Country electric generation station started. In 1990, LG&E reorganized itself as a holding company LG&E Energy Corporation.