Milwaukee County, WI — Solar Development Risk Assessment

Local solar ordinance barriers, board sentiment, and utility policies that affect development timelines and risk.

37.8
Risk Grade
Good
Milwaukee; largest WI city; very dense urban; community/commercial solar primary; no utility-scale land; local CUP
Assessment Snapshot
Population
940,164
State Rank
#5
Compliance
50%
Trajectory
42

Moratorium Status

✓ No Active Moratorium
No Moratorium

Ordinance & Regulations

Setback Requirements
None codified. No confirmed county-specific setbacks.
Zoning Mechanism
Milwaukee County: CUP in Agricultural/Industrial district for projects <100 MW.
Acreage Caps
None codified.
Density Caps
None codified.
Spacing Rules
None codified.
Size Restrictions
None codified.

Board Sentiment & Political Risk

Sentiment Analysis
Generally favorable politically; land is primary constraint
Basis for Assessment
Milwaukee; largest WI city; very dense urban; community/commercial solar primary; no utility-scale land; local CUP
Political Risk Factors
Improving
Board Members
Marcelia Nicholson-Bovell (Chair | D | 2027) | 18 supervisors; partisan D-majority; 2-yr terms | county.milwaukee.gov/EN/Board-of-Supervisors/Board-Members

Grid, Utilities & State Context

Grid Operator
MISO / We Energies (WE) zone
Utilities
We Energies, We Energies
State Permitting Process
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.
State Incentives
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.

Development Activity

Active/Completed Projects
Closed Landfill Solar Project (We Energies) | 2.25 MW | Closed landfill site | OPERATIONAL — largest solar installation in Milwaukee city; powers ~460 homes. Source: fhwa.dot.gov/ipd/project_profiles We Energies Renewable Pathways Project | ~9.6 MW | Multiple former landfill sites + 5 Mile Road arrays (Caledonia) | $30M investment | APPROVED 2024. Source: urbanmilwaukee.com Feb 2024
Denied/Withdrawn Projects
No confirmed Wisconsin PSC CPCN denials for Milwaukee County. Wisconsin PSC holds siting authority for utility-scale; local municipalities have limited veto power under current law.

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