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Solar Panels in Baton Rouge, Louisiana

Baton Rouge receives 1415.5 kWh per kWp of solar panels per year — 7.1% below the US national average of 1,550 kWh/kWp. At Louisiana's electricity rate of 12.46¢/kWh, an 8 kW system saves roughly $1,411/year and pays back in 10.7 years.

Solar is reasonably worth it in Baton Rouge. Note: The 30% federal solar tax credit (Section 25D) expired December 31, 2025. The numbers below reflect today's actual costs.

Annual yield:1415.5 kWh/kWp
Electricity rate:12.46¢/kWh
Payback:10.7 yrs
Location:30.45°N

Baton Rouge Solar at a Glance

Annual solar yield1415.5 kWh/kWp/yr
Optimal tilt angle23° south-facing
Avg. daily sun hours22.8 hrs/day
Electricity rate12.46¢ per kWh
8 kW system cost (2026)$22,400
Louisiana state credit− $112
Your net cost$22,288
Annual savings$1,411/yr
Payback period10.7 years

Last updated: April 11, 2026 · Sources: PVGIS v5.3, EIA

How Much Solar Power Does Baton Rouge Get Each Month?

Monthly solar yield (kWh per kWp installed) based on PVGIS satellite data for 30.45°N, 91.19°W.

96
96
125
135
139
130
125
127
118
129
107
88
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best month: 139.4 kWh/kWp (May)Worst month: 88.1 kWh/kWp (Dec)Monthly avg: 118 kWh/kWp

Live Solar Forecast for Baton Rouge

Real-time generation estimate for an 8 kW system based on today's weather forecast. Data: forecast.solar.

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Is a Home Battery Worth It in Baton Rouge?

A battery stores excess midday solar for use at peak evening hours. At 12.46¢/kWh in Baton Rouge, here is the math for the two most popular options.

Tesla Powerwall 3
Capacity
13.5 kWh
Installed cost
$11,500
Annual savings
$491
Payback
23.4 yrs

10-year value: $4,910 · Based on 365 cycles/yr, 12.46¢/kWh, 80% usable capacity. Does not include backup value or utility TOU rate savings.

Generic LFP 10 kWh
Capacity
10 kWh
Installed cost
$8,000
Annual savings
$349
Payback
22.9 yrs

10-year value: $3,490 · Based on 350 cycles/yr, 12.46¢/kWh, 80% usable capacity. Does not include backup value or utility TOU rate savings.

Battery ROI improves significantly in states with Time-of-Use (TOU) rates where peak electricity can cost 2–3× the off-peak rate. California (PG&E, SCE, SDG&E), New York (ConEd), and Massachusetts (Eversource) have the strongest TOU incentives for battery storage.

What Are the 25-Year Solar Savings in Baton Rouge?

Based on 1415.5 kWh/kWp/yr yield, 12.46¢/kWh electricity rate, and a 2026 system cost of $2.80/W. Federal tax credit expired Dec 31, 2025 — not included.

System cost
$22,400
Installed, 8 kW
State credit
−$112
Louisiana only
Net investment
$22,288
Your actual cost
25-yr savings
$33,511
Est. lifetime benefit
Federal Solar Tax Credit Update: The 30% residential solar tax credit (Section 25D) expired on December 31, 2025 under the One Big Beautiful Bill. Cash and loan purchases no longer qualify for the federal credit. State and local incentives below may still apply — check with your installer.

What Solar Incentives Are Available in Baton Rouge, Louisiana?

The federal ITC expired in 2025. These state and utility incentives still apply in Louisiana.

Louisiana State Tax Credit
1% of cost back on your state income taxes.
Property Tax Exemption
Louisiana exempts the solar-added home value from property taxes. A $22,400 system won't raise your tax bill.
Net Metering
Earn bill credits for excess solar electricity sent back to the grid.
Utility & Local Programs
50% state tax credit (up to $12,500), Entergy net metering, property tax exemption
Calculate Your Exact Savings
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Solar Panels in Baton Rouge: Frequently Asked Questions

How much do solar panels cost in Baton Rouge, Louisiana in 2026?
In Baton Rouge, a typical 8 kW solar system costs approximately $22,400 installed (at ~$2.80/W, the 2026 US average). The federal solar tax credit expired December 31, 2025, so that 30% rebate is no longer available for residential cash or loan purchases. Louisiana's state tax credit saves an additional $112, bringing your net cost to $22,288. Prices vary by installer, panel brand, and roof complexity.
Is solar worth it in Baton Rouge without the federal tax credit?
Baton Rouge generates 1415.5 kWh per kWp annually — 7.1% below the US average. At Louisiana's electricity rate of 12.46¢/kWh, an 8 kW system saves roughly $1,411/year and pays back in about 10.7 years — even without the expired federal credit. Solar is reasonably worth it in Baton Rouge.
How much electricity do solar panels produce in Baton Rouge?
In Baton Rouge, each kW of solar panels produces approximately 1415.5 kWh per year. An 8 kW system generates about 11,324 kWh annually — enough to cover the average Louisiana household's electricity use. Peak production hits 139.4 kWh/kWp in May, with the lowest output of 88.1 kWh/kWp in Dec. Data source: PVGIS v5.3 satellite radiation model.
What solar incentives are available in Baton Rouge, Louisiana?
the expired federal tax credit (Section 25D) expired December 31, 2025 and is no longer available for residential buyers. Louisiana still offers a state tax credit of 1% (up to $112). Louisiana also exempts solar systems from property tax assessments. Net metering and local utility programs may provide additional savings.
How long is the solar payback period in Baton Rouge?
In Baton Rouge, the average payback period for an 8 kW solar system is approximately 10.7 years. This is based on 1415.5 kWh/kWp annual yield (PVGIS data), a 12.46¢/kWh electricity rate (EIA 2026 data), and an $22,400 installed cost. After payback, the system produces free electricity for 15–20 more years.

Environmental Impact & Home Value in Baton Rouge

An 8 kW solar system in Baton Rouge produces roughly 11,324 kWh/year. Here is what that means beyond your electricity bill.

🌿
CO₂ avoided per year
4.4 tonnes
4,371 kg · EPA grid avg 0.386 kg/kWh
🌳
Tree equivalent
201 trees
Trees needed to absorb same CO₂ annually
🏠
Home value boost
+$1,546
Avg +6.9% (Lawrence Berkeley Lab / Zillow data)
US homes powered
1
Avg US home uses 10,632 kWh/yr (EIA 2024)

How Many Solar Panels Do You Need in Baton Rouge?

The right system size depends on your annual electricity usage and how much of your bill you want to offset. In Baton Rouge, where annual solar yield is 1415.5 kWh per kWp, here is what different households typically need:

Annual usageSystem sizePanels (400 W)Est. costAnnual savings
6,000 kWh
Small home
4.3 kW11 panels$12,040$748/yr
10,800 kWh
Average home
7.7 kW20 panels$21,560$1,346/yr
15,000 kWh
Large home
10.6 kW27 panels$29,680$1,869/yr
20,000 kWh
Large + EV
14.2 kW36 panels$39,760$2,492/yr

Costs based on $2.80/W installed (2026 US average). Panel count assumes 400 W modules. Savings based on current 12.46¢/kWh rate. State incentives not included — see above for Louisiana credits.

Baton RougeSolar Resources & 2026 Incentives

Key information for homeowners in Baton Rouge going solar in 2026 — after the federal 30% tax credit expired December 31, 2025.

⚡ Federal Tax Credit Status (2026)

The 30% Section 25D residential solar credit expired December 31, 2025. An 8 kW system in Baton Rouge costs $22,288 after a $112 Louisiana state credit. The commercial Section 48 credit (for businesses, landlords) was not affected.

IRS Residential Clean Energy Credit →
🔌 Net Metering in Louisiana

Louisiana has a net metering policy. Contact your local utility for current export rates.

DSIRE — Louisiana Incentive Database →
🏛️ Louisiana State Incentives

50% state tax credit (up to $12,500), Entergy net metering, property tax exemption

✓ Property tax exempt
📚 Authoritative Sources