Ada County tables 1,700-acre Jasper solar and battery project to Dec. 30; commissioners ask staff for added fire, decommissioning and setback safeguards
December 11, 2025 | Ada County, Idaho
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Ada County commissioners on Dec. 10 voted to table a large centralized solar and battery storage proposal (project 202501571, Jasper Solar & Battery) so staff can draft additional conditions addressing battery-fire response, decommissioning financial assurance and residential setbacks.
The proposal from renewable developer Desiree would place roughly 354,000 solar panels and a battery energy storage system across about 1,700 acres in unincorporated Ada County northeast of Kuna, producing roughly 150 megawatts of AC generation and a battery system sited on about 11 acres. Staff said the submission included habitat and cultural surveys, identified limited actively farmed acres and proposed setbacks from major roads. Idaho Fish & Game recommended wildlife mitigations; Kuna Rural Fire requested a detailed fire-protection plan and water-supply provisions. Idaho Power confirmed the project is in its interconnection queue but has not yet executed a power-purchase agreement.
Neighbors and nearby residents told the commission they were concerned about wildfire risk, battery-fire response, visual and wildlife impacts, road wear during construction and the absence of a detailed, funded decommissioning plan. Desiree representatives and fire experts from ESRG explained national standards for battery management systems, monitoring and site-specific emergency response training and said they are discussing decommissioning bonds. Commissioners accepted staff’s recommendation to defer a final decision while staff gathers additional agency input and drafts conditions that include a financial assurance mechanism and specific battery-fire response protocols; the board set the item for Dec. 30.
What’s next: Staff will request written comments from Ada County engineering, Kuna Rural Fire, Idaho Fish & Game, Idaho Power and pipeline owners (Williams NW) and will prepare proposed conditions on fire planning, decommissioning financial assurance and ACHD comments on access.
The proposal from renewable developer Desiree would place roughly 354,000 solar panels and a battery energy storage system across about 1,700 acres in unincorporated Ada County northeast of Kuna, producing roughly 150 megawatts of AC generation and a battery system sited on about 11 acres. Staff said the submission included habitat and cultural surveys, identified limited actively farmed acres and proposed setbacks from major roads. Idaho Fish & Game recommended wildlife mitigations; Kuna Rural Fire requested a detailed fire-protection plan and water-supply provisions. Idaho Power confirmed the project is in its interconnection queue but has not yet executed a power-purchase agreement.
Neighbors and nearby residents told the commission they were concerned about wildfire risk, battery-fire response, visual and wildlife impacts, road wear during construction and the absence of a detailed, funded decommissioning plan. Desiree representatives and fire experts from ESRG explained national standards for battery management systems, monitoring and site-specific emergency response training and said they are discussing decommissioning bonds. Commissioners accepted staff’s recommendation to defer a final decision while staff gathers additional agency input and drafts conditions that include a financial assurance mechanism and specific battery-fire response protocols; the board set the item for Dec. 30.
What’s next: Staff will request written comments from Ada County engineering, Kuna Rural Fire, Idaho Fish & Game, Idaho Power and pipeline owners (Williams NW) and will prepare proposed conditions on fire planning, decommissioning financial assurance and ACHD comments on access.
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