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Airport staff describe $750,000 solar array and early performance
Summary
Airport staff told the commission the airport's solar array, activated in December 2024, cost about $750,000; staff said the system needs minimal maintenance so far, has a roughly 20-year design life, and expansion or larger projects face funding and floodplain constraints.
Airport staff briefed commissioners on the airport's new solar array, saying it was activated in December 2024 and cost roughly $750,000 to complete.
Staff described the project as a long-discussed measure intended primarily to reduce the airport's electricity costs; prior average electric costs were cited as about $20,000 per year. The airport had explored power purchase agreements and models used by other jurisdictions but found those arrangements difficult to structure for on-field users such as tenant hangars and a university research lab, staff said.
"It was turned on in December of 2024," an airport staff member said. The staff member added the array was financed in part by federal allocations made available under the Bipartisan Infrastructure Law and by a required local match after environmental studies and site due diligence.
On operations, staff said the array has required no on-site maintenance in its first year and is covered by contractor warranties; longer-term maintenance will involve contractor call-outs because the airport does not have the specialized expertise in-house. The system was described as a 20-year design with the typical degradation profile (speaker referenced ~80—6% efficiency over that lifetime).
Commissioners asked about benchmarking relative to airports of similar size and whether further on-field expansion or other municipal solar projects were practical. Staff said costs and input assumptions (the transcript noted about $750,000 total) make similar large-scale arrays challenging for smaller general-aviation facilities. Staff also noted a past county/FAA study that estimated about $20 million to lift portions of the airport out of the floodplain, which limits development opportunities on some southern parcels.
No formal vote or further action on the airport project was recorded in the transcript during this meeting. Staff said a previously designed phase two of airport solar is currently unfunded and paused.
