Best utilities companies in Madison, WI

Slipstream champions and delivers innovative energy initiatives that produce enduring economic and environmental benefits for all.

Alliant Energy Corporation (Alliant Energy) operates as a regulated investor-owned public utility holding company. Alliant Energy's primary focus is to provide regulated electricity and natural gas service to approximately one million electric and approximately 415,000 natural gas customers in the Midwest through its two public utility subsidiaries. The primary first tier subsidiaries of Alliant Energy are: Interstate Power and Light Company (IPL), Wisconsin Power and Light Company (WPL), Resources and Corporate Services. IPL is a public utility engaged principally in the generation and distribution of electricity and the distribution and transportation of natural gas in selective markets in Iowa and southern Minnesota. WPL is a public utility engaged principally in the generation and distribution of electricity and the distribution and transportation of natural gas in selective markets in southern and central Wisconsin. On February 1, 2013, it sold RMT, Inc.

To build customer loyalty by consistently providing every client with security, protection, and service rendered by highly dedicated and professionally trained officers.

As your partner in clean water, we protect public health and the environment through sustainable wastewater treatment for home and business.

MGE Energy: MGE Energy, Inc. is a utility holding company based in Madison, Wisconsin.

A full-service consulting firm for electric utilities, independent power producers, industrial facility owners, energy resource developers, and more.