County drops large-scale geothermal plan, eyes Focus on Energy rebates for building efficiency

Sep 8, 2026

After investigating traditional geothermal options, Portage County staff decided the system didn’t 'pencil out' for the new jail/LEC; instead they plan targeted efficiency measures and expect a six-figure-plus rebate from Focus on Energy for incremental improvements.

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Mike summarized internal analysis of geothermal options and said a traditional wellfield approach was quickly ruled out; a newer system also carried technical risks and did not offer sufficient cost savings. "The geothermal system on this building didn't pencil out for a lot of different reasons," Mike said.

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