☀️ Mississippi Solar Calculator 2026

🔍 Mississippi Solar Quick Facts (2026)

Why Consider Solar in Mississippi? (2026 Analysis)

Mississippi might not be the first state that comes to mind for solar, but there are several compelling reasons to consider it — especially if your local utility offers net metering or a solar rebate program.

1. Solid sun hours — better than you might think

Mississippi gets 4.7 peak sun hours per day on average (NREL data), which is comparable to Florida (4.6 hrs/day) and Georgia (4.5 hrs/day). A 6 kW system in Jackson, MS produces about 7,800 kWh/year — enough to cover about 80–90% of the average Mississippi household's electricity consumption (EIA data: average MS household uses ~1,200 kWh/month, or 14,400 kWh/year).

2. Net metering is available — but not guaranteed

Unlike some states with mandatory net metering laws, Mississippi does not have a state law requiring utilities to offer net metering. However, some utilities do offer it voluntarily:

• Entergy Mississippi offers net metering for residential solar systems up to 100 kW. Customers receive full retail rate credit for excess generation.
• Mississippi Power (a subsidiary of Southern Company) also offers net metering, though terms can vary.
• Electric cooperatives in Mississippi vary widely — some offer net metering, others use "avoided cost" compensation (which is much less valuable).

If your utility does not offer net metering, solar can still make sense if you add battery storage (so you use your solar electricity directly instead of sending it to the grid at a low rate).

3. Federal tax credit covers 30%

The 30% Federal Investment Tax Credit (ITC) applies to Mississippi solar installations through 2032. For a $26,000 system (before incentives), that's $7,800 back as a tax credit. This is the single biggest financial incentive for Mississippi solar customers.

4. Electricity rates are rising — lock in now

Mississippi's electricity rates have been rising at about 3–4% per year (EIA historical data). Going solar effectively locks in your electricity cost at today's rate for 25+ years. For a typical Mississippi household using 1,200 kWh/month, a solar system that covers 80% of consumption protects you against decades of rate increases.

5. Mississippi's solar market is growing — installation costs are falling

While Mississippi ranks near the bottom in total installed solar capacity (SEIA 2025), the cost of solar installations in MS has fallen by about 40% since 2015 (NREL tracking). This means better payback periods than ever before. Additionally, as more Mississippi homeowners go solar, installers are becoming more competitive on pricing.

💡 Mississippi Solar Incentives & Rebates (2026)

Federal Tax Credit (ITC) — 30% Through 2032

The Federal Investment Tax Credit allows you to deduct 30% of your total solar system cost from your federal income taxes. This applies to:

• Solar panels and inverter equipment
• Installation labor and permitting fees
• Energy storage (battery) systems installed with solar
• Sales tax on solar equipment (MS has no state sales tax exemption, but the ITC covers the federal portion)

The credit is non-refundable (it can reduce your tax liability to zero, but you won't receive a refund for the remaining amount). However, you can carry forward unused credit to future tax years.

Entergy Mississippi Solar Rebate (Check Availability)

Entergy Mississippi has historically offered solar rebates for residential customers, though programs can change. As of 2026, check directly with Entergy for current offerings. Even without a rebate, Entergy's net metering program makes solar more valuable for their customers.

Property Tax Exemption

Mississippi does not have a specific property tax exemption for solar installations. This means the added home value from solar panels could increase your property tax assessment. However, in practice, many Mississippi counties do not reassess immediately after solar installation, so the impact is often minimal.

Net Metering — The Most Important "Incentive" in Mississippi

Since Mississippi has no state solar tax credit or rebate, net metering is the most valuable policy for solar customers. With full retail net metering, every kWh you send to the grid reduces your bill at the same rate you pay for grid electricity. Without net metering, the economics of solar are much less attractive.

🏢 Case Study: Typical Mississippi Home (Jackson)

Location: Jackson, MS
System size: 6 kW (18 × 350W panels)
Roof direction: South-facing, 30° tilt
Electricity rate: $0.132/kWh (Entergy Mississippi)
Annual production: ~7,800 kWh (NREL PVWatts estimate for Jackson, MS)

Annual Savings Calculation (With Net Metering)

25-Year Outlook (With 4% Electricity Inflation)

• Years 1–12 (payback phase): Cumulative savings ~$18,200 (system cost recovered)
• Years 13–25 (profit phase): Cumulative additional savings ~$20,000–$25,000
• Total 25-year savings: ~$38,000–$43,000
• Return on Investment (ROI): ~110% over 25 years

Estimated monthly savings: ~$86 | Yearly: $1,030

Note: These estimates assume net metering is available. Without net metering, savings would be 30–50% lower, and the payback period would extend to 18+ years.

❄ Does Solar Work in Mississippi Winters & Cloudy Weather?

Yes — modern solar panels work in all weather conditions, including Mississippi's mild winters and occasional cloudy periods. Here's the data:

Monthly Production in Jackson, MS (6 kW system)

Key takeaway: Mississippi's mild winters actually help solar production — unlike northern states where snow cover blocks panels, Mississippi panels produce year-round. Even in December and January, a 6 kW system still produces 35–40% of its peak month output.

Hurricane season considerations

Mississippi homeowners may worry about hurricane damage to solar panels. Modern solar panels are rated to withstand winds up to 140 mph (most panels are tested to UL 1703 standards). Additionally, most solar installations are covered by homeowners insurance (check your policy). If you live in a high-wind area of coastal Mississippi, ask your installer about hurricane-rated racking systems.

💬 Frequently Asked Questions — Solar in Mississippi

Does Mississippi have net metering?

Mississippi does not have a state law requiring net metering. However, some utilities (including Entergy Mississippi and Mississippi Power) offer net metering voluntarily. The terms vary by utility — some offer full retail rate credit, others use avoided-cost rates. Always confirm with your specific utility before installing solar.

How much can I save with solar panels in Mississippi?

A typical 6 kW solar system in Mississippi saves about $86/month, or $1,030/year (assuming net metering at $0.132/kWh). Over 25 years, total savings exceed $38,000 (assuming 4% electricity inflation and 0.5% annual panel degradation). Without net metering, savings drop significantly.

What is the best roof direction for solar in Mississippi?

South-facing roofs capture the most annual sunlight in Mississippi. Southeast/southwest-facing roofs capture about 92–95% of south-facing production. East/west-facing roofs capture about 78–85%. North-facing roofs are not recommended for solar in Mississippi due to low winter sun angles.

Do I need battery storage in Mississippi?

If your utility offers net metering, battery storage is optional — you can use the grid as a "virtual battery." However, battery storage is valuable for backup power during outages (which can happen during Mississippi storms and hurricanes). If your utility does NOT offer net metering, battery storage becomes much more important to maximize self-consumption of your solar production.

Is solar worth it in Mississippi if I don't have net metering?

Without net metering, solar can still make sense if you add battery storage and size your system to match your daytime electricity usage (so you use solar electricity directly instead of sending it to the grid). However, the payback period extends to 18+ years, and the financial return is much lower. We recommend confirming net metering availability before proceeding.

How does Mississippi's property tax work with solar panels?

Mississippi does not have a specific property tax exemption for solar installations. In theory, adding solar panels could increase your home's assessed value and property tax. In practice, many Mississippi counties do not immediately reassess after solar installation, so the impact is often minimal. Consult your local tax assessor for specifics.

📊 Ready to See Your Mississippi Solar Savings?

Our solar calculator gives you a personalized estimate based on your location, electricity usage, and Mississippi's solar conditions. Takes 30 seconds, no email required.

📚 Data Sources & Methodology

Electricity rates: U.S. Energy Information Administration (EIA), Mississippi Electricity Profile 2025.

Solar production estimates: NREL PVWatts Calculator, using Jackson, MS weather data.

Net metering policies: Database of State Incentives for Renewables & Efficiency (DSIRE), Mississippi profile.

Federal tax credit: IRS Form 5695 instructions (2026 revision).

Solar installation cost trends: NREL Tracking the Sun report (2025 edition).

Disclaimer: These are estimates for planning purposes. Actual savings vary based on your specific home, utility, roof orientation, and installation costs. Consult a licensed solar installer for a precise quote. Net metering policies can change — always verify current terms with your utility.