County presenters argue geothermal yields long-term savings despite higher upfront cost
Design and engineering leads told supervisors geothermal has higher upfront cost but lower operations and maintenance over time and that federal Inflation Reduction Act credits help close the upfront gap; presenters provided a bore-field cost estimate and modeling comparisons.
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Corey Powers of Excel Engineering and other project presenters explained the energy and maintenance trade-offs that led the county to favor geothermal over a conventional forced-air HVAC system for the proposed highway facility. Powers told the board that industry experience shows “a geothermal system typically costs about 30% more than a traditional forced air solution,” but that federal tax credits and lifecycle modeling can make geothermal fiscally attractive.
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