ENMAX Corporation gets the energy, distributes it, and makes sure its customers stay powered up. The company's nonregulated ENMAX Energy subsidiary supplies retail electricity to about 697,000 residential and commercial customers in Alberta in Calgary, Red Deer, and Lethbridge. The unit also trades wholesale energy and provides natural gas services. Subsidiary ENMAX Power operates the company's regulated transmission and distribution system and provides infrastructure services. This unit operates about 290 km. of transmission lines and more than 7,600 km. of distribution lines.