Solar permitting — St. Charles County, Missouri
0 indexed meetings (0 energy-related), 0 PSC dockets, 0 news items, 0 known opposition groups.
✅ LOW RISK (Score 33/100, Grade A, improving trajectory) — St. Permitting: Saint Charles County Commission: CUP/SUP in Agricultural district. Track record: no prior utility-scale solar on record — greenfield jurisdiction; no established approval precedent in this county. Political environment: Repub
Key driver: St. Louis W suburb (O'Fallon, St. Peters); densest growth county in MO; limited utility-scale land; commercial primary; local CUP
Permitting process
Local permitting pathway
Saint Charles County Commission: CUP/SUP in Agricultural district.
Setbacks & buffers
None codified. No county-specific solar ordinance confirmed.
Spacing requirements
None codified.
Size restrictions
None codified.
Penalties & bonding
No penalties or adjustments. Standard CUP/SUP process.
State-level permits & approvals
No statewide siting authority or preemption for utility-scale solar — full local control at county level. County CUP/SUP or special use process governs all utility-scale solar regardless of size. No minimum threshold above which state takes jurisdiction. County boards and planning commissions have full authority. Western MO (Kansas City area) in SPP territory; eastern and central MO in MISO territory — see Interconnection Zone column for per-county designation. Active local opposition and restrictive ordinances in rural counties 2020–2024.
State policy & grid context
State RPS & clean energy policy
15% by 2021 (solar 2% carve-out) | Proposition C (2008) | Mo. Rev. Stat. §393.1030
State incentive programs
Missouri has no Renewable Portfolio Standard — legislature has repeatedly declined to enact one. Net metering: available under MO PSC Order (Ameren Missouri, Evergy — limited program). Property tax exemption for solar equipment: available. Sales tax exemption: solar equipment purchases exempt under §144.020.1(10). New MO solar property tax structure (2025): fixed $2,500/MW for projects placed in service Aug 28 2025+. CRITICAL: MO SB 849 statewide solar moratorium (passed Senate Commerce Committee Feb 10 2026; Gov. Kehoe supports; emergency clause = immediate effect upon signing) would halt all new and current solar construction through Dec 31 2027. As of Mar 23 2026: pending full Senate/House vote. Utility: Ameren Missouri serves central/eastern MO; Evergy Kansas City serves western MO; multiple rural electric cooperatives serve agricultural areas.
Grid & interconnection
MISO / Ameren Missouri (AMMO) zone
Subscriber intel Subscribers
Researched for this county and available with a subscription:
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- 🔒Community & board sentiment
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Energy-related meetings & dockets P1
No meetings indexed yet for this jurisdiction.
State PSC dockets P1
No PSC dockets matched to this county yet.
Sentiment & opposition P2
No sentiment rollup yet (requires meeting transcripts to be processed).
Local news P3
News ingestion not yet active for this county (GDELT/RSS pipeline pending).
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