Solar permitting — Rock County, Wisconsin
1 news item.
S WI; Janesville area; active agricultural solar; I-39/90 corridor; local CUP. Permitting: Rock County: CUP in Agricultural/Industrial district for projects <100 MW.; 200-ft setback. Track record: Darien Solar Energy Center (We Energ…
Permitting process
Local permitting pathway
Rock County: CUP in Agricultural/Industrial district for projects <100 MW.
Setbacks & buffers
State standard: Local jurisdiction authority; typical setbacks 65-200 ft from property lines
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
PSC of Wisconsin has siting authority for wind/solar ≥100 MW (Wis. Stat. §196.491). Projects <100 MW: local CUP/SUP under county/town zoning governs. Local restrictions on wind systems must meet one of 3 conditions: (1) public health/safety; (2) not significantly increase cost/decrease efficiency; (3) allows comparable alternative. Local solar restrictions face similar reasonableness standard. No statewide preemption below 100 MW threshold — strong local control. MISO interconnection territory statewide.
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State policy & grid context
State RPS & clean energy policy
10% by 2015 (met, no update) | Act 141 (2005) | Wis. Stat. §196.378
State incentive programs
Wisconsin RPS: 10% renewable by 2015 (met — weakest in region). Focus on Energy program: commercial/industrial rebates for solar ($150-450/kW for ≤25 kW). Property tax exemption: Wis. Stat. §70.111(18) — solar systems exempt from property tax assessment. Sales tax exemption: Wis. Stat. §77.54(57m) — solar equipment purchases exempt. Wisconsin Green Energy program: voluntary renewable program through WPS, MGE, We Energies. Alliant WPL (WI) has deployed ~1,089 MW solar by 2024; Vista Sands (1,315 MW Portage Co.) approved June 2025 — largest WI solar project. Utility: We Energies (WEC) serves SE WI/Milwaukee; WPS (WEC) serves NE WI; Alliant Energy (WPL) serves central/southern WI; MGE serves Madison metro; Xcel NSPW serves far NW WI; Dairyland Power Coop and WPPI Energy serve rural areas.
Grid & interconnection
MISO / Madison Gas & Electric (MGE) zone
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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:
- 🔒Project track record
- 🔒Developer intelligence
- 🔒Community & board sentiment
- 🔒Governing board
Energy-related meetings & dockets P1
No tracked activity yet — coverage expands weekly.
State PSC dockets P1
No tracked activity yet — coverage expands weekly.
Sentiment rollup P2
No sentiment rollup yet (requires meeting transcripts to be processed).
Local news P3
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