OUR COOP
Energy-efficient products to save energy and money. Order online!
Use "free" energy from the earth to heat and cool your home.
Efficient home heating system and economical air conditioner all in one.
Save energy dollars and maintenance headaches with an energy-efficient Marathon water heater with a lifetime warranty.
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To heat or not to heat when no one is in the church: that is the question.
Find out about energy-efficient ways to light up your home on this website.
This annual contractors conference promotes energy-efficient home building and remodeling in our area.
Want to update your home but don’t know where to start? One expert offers a step-by-step plan to energy efficiency.
Providing dependable, affordable electric service to rural families, farms and industries in Grundy, Black Hawk, Marshall, Tama, Butler and Hardin Counties.
Have you seen our new television ads yet?