Arapahoe County pitches roughly $5 million rooftop solar project for up to six buildings
County staff told commissioners the proposed phase-one solar project could cost about $5 million, return about $2 million through a federal direct-pay tax credit and save $5 million to $10 million over 30 years, but the final building list is still under review.
Arapahoe County staff told commissioners June 8 that a proposed phase-one rooftop solar project for county facilities would cost about $5 million and could cover as many as six buildings.
Staff told the board the project could generate about $5 million to $10 million in savings over 30 years and bring back about $2 million through a federal clean-energy tax credit available to local governments through direct pay.
The six buildings staff identified were the administration building, both justice center courthouse buildings, Center Point Plaza, the sheriff’s office administration building and the fairgrounds. But staff said the list is still preliminary and must go through structural analysis and feasibility review before commissioners make final project decisions later this year.
Commissioners have already approved about $394,000 in initial spending so the county could move before a July safe-harbor deadline tied to the federal incentive. The June 8 study-session agenda included a board summary report, presentation and a document labeled “Arapahoe County Solar PV Detailed Cost Assumptions”.
The federal benefit would not arrive upfront. Counties generally do not owe federal income tax, but under elective-pay guidance summarized by Lawyers for Good Government, eligible local governments can receive certain clean-energy credits as refunds after a project is placed in service and the required tax filing is processed. IRA Tracker also says local governments are eligible for that direct-pay structure.
Staff told commissioners the county needed to begin construction by July 4 to preserve the credit. A 2026 explainer from Clean Energy Districts says commercial and public-sector solar projects can still qualify if they begin construction by July 4, 2026, or are installed and placed in service by the end of 2027.
The county’s savings and emissions figures remain projections, not confirmed outcomes. Staff estimated the solar arrays could cut greenhouse-gas emissions from county facilities by about 20%.