Solar permitting — Jefferson County, Illinois
4 news items.
Mt. Permitting: Jefferson County: CUP or Special Use Permit in Agricultural; 150-ft max / 50-ft min setbacks. Track record: Casey Fork Solar (RWE Clean Energy). Political environment: Republican majority; community: cautious. Grid…
Key driver: Mt. Vernon area; Rend Lake economic hub; SUP pathway; limited track record; stable.
Permitting process
Local permitting pathway
Jefferson County: CUP or Special Use Permit in Agricultural (A-1) district.
Setbacks & buffers
State floor applies: ≥50 ft from property line; ≥150 ft from non-participating residence; ≥50 ft from road ROW. No county-specific setbacks above this floor.
Spacing requirements
None codified.
Size restrictions
None codified; managed via CUP/SUP conditions
Penalties & bonding
No penalties or adjustments. Standard CUP/SUP process.
State-level permits & approvals
Local permit: Special Use Permit (SUP) in A-1 Agricultural zoning via county Zoning Board of Appeals (ZBA) and/or County Board; process and conditions vary by county ordinance. ICC CPCN: Illinois Public Utilities Act §8-406 — Illinois Commerce Commission (ICC) Certificate of Public Convenience & Necessity required for ALL generating facilities >2 MW, regardless of local SUP status; ICC process runs parallel to county SUP. PA 102-1123 (signed Jan 27, 2023): Preempts county ordinances that prohibit wind or solar; sets state minimum setback floor of ≥150 ft from non-participating property lines and ≥300 ft from occupied dwellings. Counties may set higher setbacks but not lower; wind/solar bans enacted before 2023 are invalidated. PA 103-0580 (Veto Session fall 2023): Trailer bill reinforcing PA 102-1123 preemption framework; addressed specific county attempts to circumvent preemption. CEJA 2021 (Climate & Equitable Jobs Act): Illinois RPS targets — 40% by 2030, 50% by 2040, 100% clean energy by 2045; IPA Illinois Shines program administers FEJA/CEJA incentive tranches for community and utility-scale solar.
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State policy & grid context
State RPS & clean energy policy
50% by 2040 (100% clean by 2045) | CEJA / PA 102-0662 (2021) | 3,000 MW IL Shines community solar target | 20 ILCS 3855
State incentive programs
Illinois Adjustable Block Program (Illinois Shines): 15-year SREC contracts for net-metered and community solar projects; administered by IL SHINES program. Solar for All (SFA): low-income community solar program with enhanced incentives. Illinois RPS: 50% renewable by 2040 (Future Energy Jobs Act); solar carve-out drives strong SREC demand. Net metering: available for ≤2 MW behind-the-meter systems (ComEd, Ameren IL). PACE financing: available in many IL counties. HB 4412 (2024): updated solar siting framework; county commission approval required for projects exceeding acreage thresholds in unincorporated areas. Utility: ComEd serves northern IL (Cook + 10 counties); Ameren Illinois serves central/southern IL; electric cooperatives serve rural downstate areas.
Grid & interconnection
MISO / Ameren Illinois Transmission (AIT) zone (verify for projects near MISO/PJM boundary)
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Community opposition P1
No organized opposition on record for this county yet — no petition, group, or oppositional coverage tracked. Absence of opposition is a positive siting signal.
Subscriber intel Subscribers
Researched for this county and available with a subscription:
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Energy-related meetings & dockets P1
No tracked activity yet — coverage expands weekly.
State PSC dockets P1
No tracked activity yet — coverage expands weekly.
Local news P3
- 2026-03-12 Peak Energy And Rwe Deploying Sodium Ion Battery In Wisconsin
- 2026-03-05 Rwe Commissions 2 Gw Of New Energy Projects In The U S Creating American Jobs And Economic Opportunity 203093
- 2025-08-29 Manner Polymers Opens 54 Million Solar Powered Facility In Mt Vernon
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