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Madison County, MS — Solar Development Risk Assessment

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

31.4
Risk Grade
Excellent
Best risk profile in the Jackson metro and among the top 5 statewide: highest income, greatest rooftop solar activity, growing population, and pro-development supervisors. Entergy Mississippi resistance to large-scale DG is the primary limiting factor.
Assessment Snapshot
Population
108,671
State Rank
#1
Compliance
38%
Trajectory
35

Moratorium Status

✓ No Active Moratorium
No Moratorium

Ordinance & Regulations

Setback Requirements
No county solar setbacks. Municipal codes apply; Ridgeland and Madison city building codes handle commercial solar permits.
Zoning Mechanism
Multiple municipalities (Madison, Ridgeland, Flowood, Canton): commercial permits and zoning; county Board governs unincorporated areas.
Acreage Caps
None codified.
Density Caps
None codified.
Spacing Rules
None codified.
Size Restrictions
None codified.

Board Sentiment & Political Risk

Sentiment Analysis
Favorable. Wealthiest county in Mississippi; fastest-growing Jackson metro submarket; highest MHI drives rooftop solar adoption; Ridgeland and Madison are among most educated communities in the state; pro-business supervisors receptive to economic development solar.
Basis for Assessment
Highest MHI in Mississippi; educated professional community; growing population; Nissan Canton manufacturing presence; pro-business Republican supervisors favor economic development; Entergy MS DG resistance is the primary constraint.
Political Risk Factors
Improving
Board Members
5-member Board of Supervisors; Republican majority; terms expire 2027.

Grid, Utilities & State Context

Grid Operator
MISO South / Entergy Mississippi transmission zone
Utilities
Entergy Mississippi
State Permitting Process
No statewide solar siting law. Utility-scale solar regulated at county level by Board of Supervisors via discretionary zoning or conditional use permits. Counties retain full authority to approve, condition, or deny projects with no state preemption. MPSC oversees electric utilities; no formal solar siting review below 300 MW. FERC/MISO or SERC interconnection governs projects >20 MW.
State Incentives
No state RPS or SREC market. Solar equipment property tax exemption (Miss. Code Ann. §27-31-101). Net metering under MPSC Rule 29 (capped at 150% of 12-month avg usage; interconnection fee may apply). Federal ITC (30% under IRA 2022) is primary incentive. No state solar grant or loan programs.

Development Activity

Active/Completed Projects
Highest concentration of rooftop solar in Mississippi (residential and C&I). Multiple commercial rooftop installations in Ridgeland/Madison commercial corridors. State agencies with Madison County offices have explored solar. Nissan Canton plant (C&I solar explored). No large utility-scale ground-mount confirmed.
Denied/Withdrawn Projects
No confirmed denials on record.

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Last verified: 2026-04-03 | SolarRisk Tracker | Data sources: Government records, utility filings, public meeting minutes