Tucson Electric Power (TEP) is an electric utility company serving southern Arizona in the United States. It is a subsidiary of Fortis, which announced its acquisition of parent company UNS Energy in 2013. Kino Veterans Memorial Stadium, a baseball stadium on Tucsons south side, was once named Tucson Electric Park for TEP. According to historian David Leighton, of the Arizona Daily Star newspaper, around 1882, Royal A. Johnson started a light plant in Tucson in order replace Tucson’s oil lamps with electric lights. His new idea received little support and his plant went belly-up after a couple years.