Mississippi Solar Guide 2026
Everything Mississippi homeowners need to know: costs, incentives, net metering policy, and what makes this state unique for solar.
Quick answer
Mississippi solar economics depend mainly on 5.1 average peak sun hours, an estimated $2.85/W installed cost, 11.0¢/kWh electricity, and the state's current net-metering rules.
Reviewed 2026-07-26
- Best for
- Mississippi homeowners comparing solar costs, incentives, and payback assumptions.
- Inputs needed
- annual kWh usage, utility rate, installed $/W, net-metering policy
- Formula used
- Typical production = system kW × peak sun hours × 365.
- Source checked
- state incentive data, utility tariff checks, Wattcrunch price benchmarks
Key fact about Mississippi solar
Mississippi faces a triple challenge for solar: low electricity rates, no statewide net metering, and minimal state incentives. Solar still makes sense for self-reliance and backup power, but pure bill-savings payback is very long.
Peak sun hours
5.1
hrs/day avg
Avg electricity rate
11.0¢
per kWh
Median install cost
$2.85/W
before incentives
Typical payback
16 yrs
8 kW system, avg usage
Typical 8 kW system in Mississippi
Annual production
14,892 kWh
Year-1 savings
$1,638
System cost (est.)
$22,800
No federal tax credit — Section 25D expired December 31, 2025.
Mississippi Net Metering Policy
No mandatory net metering statewide
Mississippi has no statewide net metering law. Entergy Mississippi offers a limited interconnection tariff with minimal export compensation. MPower and co-ops have varying policies. Self-consumption maximization is essential.
Mississippi Solar Incentives
Available in addition to any utility rebates. Federal 25D credit is $0 for homeowner-owned systems from 2026.
- ✓Sales tax exemption on solar equipment
- ✓Property tax exemption
Top Utilities in Mississippi
Interconnection timeline: 4–10 weeks
State-specific decision guide
What to verify before signing a Mississippi solar quote
In Mississippi, the financial result depends on more than sunshine or the headline installation price. Confirm the export rule, program eligibility date, and interconnection timeline for your exact utility before treating a payback estimate as a promise.
Export value
This page models no mandatory net metering statewide. Ask which tariff and export credit apply to your account, not only which program name appears in the proposal.
Incentive eligibility
Check equipment, income, installer, application, and placed-in-service rules before subtracting an incentive from the quote. Programs can close or change terms.
Interconnection
Budget for the published 4–10 weeks and confirm who pays for a required meter, service upgrade, or engineering review.
Source trail: production assumptions use NREL PVWatts; incentive discovery should be checked against DSIRE; electricity-market context is available from the EIA. Confirm final tax treatment with the IRS and your utility.
Calculate your Mississippi solar economics
Our calculators are pre-filled with Mississippi data. Run any tool below.