Our mission

To deliver the energy solutions and exceptional service that our customers and communities count on – safely, efficiently and responsibly.

Operations at a glance


Number of electric customers
958,318
Number of natural gas customers
411,758
Number of employees
3,978
Operating revenues (year-end 2016)
$3.3 billion
Total assets (year-end 2016)
$13.4 billion
Headquarters Madison, Wisconsin 
Service area 54,369 square miles in Iowa and Wisconsin
Miles of electric lines 42,035
Miles of natural gas main  9,426
Electric generation 31 million megawatt-hours per year
Maximum summer peak hour demand 5,615 megawatts
Utility natural gas sold and transported  122,797 (thousands of dekatherms)mi

All numbers are approximations.