St. Louis, MO, utility provides energy services to 1.8 million customers in Missouri and Illinois. Explore a variety of products and services.

Based in Joplin, Missouri, this utility provides electric power to customers in four states. See a service area map.

Distributes natural gas to two million customers in eastern Missouri, including the city of St. Louis. See phone numbers and service territory.

Learn about the products, programs and benefits offered to members by this utility. Find tips on using energy safely and efficiently.