Solar Panel Savings in Lafayette, LA

Calculate how much you can save with solar panels in Lafayette, Louisiana. Based on 5.2 peak sun hours/day and 11.2¢/kWh average electricity rate.

5.2

Peak Sun Hours/Day

11.2¢

Avg Rate (¢/kWh)

10.7 yr

Payback Period

$15k

25-Year Savings

Lafayette Solar Overview

Population:121,374
Sunny Days/Year:224
Avg Temperature:65.1°F
Solar Penetration:3.6%
Utility Company:Entergy Louisiana
Net Metering:Available

Calculate Your Lafayette Solar Savings

3 kW15 kW

Lafayette average: $151/mo

South-facing roofs produce the most energy

Add $8,000-$12,000 for whole-home battery backup

Annual Production

9,110

kWh/year

Annual Savings

$1,022

per year

Net System Cost

$10,920

after 30% ITC

Payback Period

10.7 yr

break-even time

25-Year Total Savings

$34,909

Monthly Savings

$85

Federal Tax Credit

$4,680

Cumulative Savings vs System Cost

$0k$9k$18k$27k$37kYr 0Yr 5Yr 10Yr 15Yr 20Yr 25System CostBreak-even
Cumulative Savings System Cost

Cost Breakdown

ItemLafayetteNational Avg
Gross System Cost (6kW)$15,600$17,100
Federal Tax Credit (30%)-$4,680-$5,130
Net System Cost$10,920$11,970
Cost Per Watt$2.60/W$2.85/W

Solar Potential in Lafayette

Sun Hours vs National Average

5.2 hrs
4.5 hrs

Lafayette gets 16% more sun than the national average.

Climate Advantages

  • 224 sunny days per year
  • Average temperature: 65.1°F — moderate climate with good solar conditions
  • Average roof size: 1,981 sq ft — enough for a 110-panel system

Lafayette Solar Incentives & Programs

Federal Investment Tax Credit (ITC)

30% of total system cost deducted from federal taxes. For a $15,600 system, that's a $4,680 credit. Valid through 2032.

Louisiana State Incentives

Louisiana solar tax credit expired; federal 30% ITC applies.

Net Metering — Entergy Louisiana

Entergy Louisiana offers net metering in Lafayette. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.

Environmental Impact in Lafayette

3.8

Tons CO2 Offset/Year

63

Equivalent Trees Planted

0.9

Homes Worth of Energy

Based on 9,110 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.

Solar Energy in Lafayette, Louisiana

Lafayette, Louisiana receives an average of 5.2 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 11.2¢ per kWh from Entergy Louisiana, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.

A typical 6kW solar system in Lafayette produces approximately 9,110 kWh per year, saving homeowners an estimated $1,022 annually. The system pays for itself in about 10.7 years, after which you enjoy essentially free electricity for the remaining 14+ years of the system's warranty life.

Lafayette has a solar penetration rate of 3.6% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 98 (national average: 100) is near the national average.

Other Cities in Louisiana

Frequently Asked Questions

How much do solar panels cost in Lafayette, LA?

The average cost of a 6kW solar panel system in Lafayette is approximately $15,600 before incentives ($2.60/watt). After the 30% federal Investment Tax Credit, the net cost is about $10,920. Louisiana solar tax credit expired; federal 30% ITC applies.

How many peak sun hours does Lafayette get?

Lafayette, LA receives an average of 5.2 peak sun hours per day and approximately 224 sunny days per year. This is above the national average of 4.5 hours, making it an excellent location for solar energy.

What is the solar payback period in Lafayette?

The average solar payback period in Lafayette is approximately 10.7 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $14,630.

Does Lafayette have net metering?

Yes, Lafayette has access to net metering through Entergy Louisiana. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.

Is solar worth it in Lafayette, LA?

Yes, solar is a solid investment in Lafayette. While the 10.7-year payback is moderate, you'll still save $14,630 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.

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