Dual fuel

Savings meets stability

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Air-source heat pumps

Reduce heating costs by 30-50%

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Save now

CFLs and LEDs are on sale

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Geothermal heat pumps

More affordable than ever

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Sisseton High School receives $49,450 rebate for lighting upgrades

Our commitment to you

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We balance each decision we make with the impact it has on our family, friends, and neighbors. Check out our Newsroom for stories about our environmental, community, and economic commitments.