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Jefferson County planning commission delays solar zoning changes amid bond and scale concerns
Summary
The commission discussed Resolution 2026-03 on solar and wind systems, focusing on state decommissioning requirements, who would administer long-term bonds, and limits on acreage or percentage of parcels. Members asked staff to gather examples and return a revised draft in June.
The Jefferson County Regional Planning Commission spent most of its meeting debating proposed zoning language for commercial solar and wind systems, but postponed final action until the June meeting. Commissioners grappled with whether to rely on state decommissioning law or adopt stricter local rules, who would administer long-term decommissioning assurances, and how to limit the scale of installations.
The item, introduced by Commissioner Austin Brook, cited Tennessee’s requirement that commercial solar facilities above 5 megawatts submit decommissioning plans and financial assurances such as surety bonds or letters of credit. Brook told the commission the state law “mandates that commercial solar facilities over 5 megawatts submit comprehensive decommissioning plans,” and said the county could use that baseline or craft more stringent local criteria.
Several commissioners warned that requiring local administration of decommissioning bonds could pose an administrative burden. One commissioner noted the county may lack personnel to monitor long-term bonds and recommended including a cross-reference to state compliance and asking applicants for proof rather than the county holding long-life instruments.
The panel also debated measurement approaches for limiting installations. Options discussed included capping acreage, using megawatt thresholds, or setting a maximum percentage of parcel area. A working-group proposal under consideration would limit ground-mounted solar to a maximum of 5% of a parcel or up to 5 acres, and treat large projects as principal uses only in the I-2 industrial zone while making smaller facilities conditional uses in agricultural (A-1) areas.
Commissioners repeatedly framed the issue as a balance between protecting property owners’ rights and guarding neighbors and the county against abandoned or poorly decommissioned projects. The group agreed to gather sample ordinances and enforcement approaches used by neighboring counties and utilities, and to refine conditional-use standards, setbacks and buffering requirements before returning to the full commission.
The commission voted to postpone further action until the June meeting so staff and the working group can produce a revised draft and examples from adjacent jurisdictions.
