Solar Panels Cost $17k-$27k in Terrebonne Parish, LA | August, 2025
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How much do solar panels cost in Terrebonne Parish, LA in 2025?
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Getting solar panels in Terrebonne Parish, LA averages out to $3.52/W in the month of August, 2025.
For every 1000 watts (1 kW) your solar system can produce, you will need to invest, on average, $3,520 for its installation. You are able to come to this conclusion by using this rate price cost per watt. Taking into consideration the 30% federal tax credit, a 5 kW system in Terrebonne Parish typically costs $12,320. Be advised that a bigger system may be essential to fully meet your energy needs.
On the left, choose a county to view the average roof size and the maximum production capacity for solar panels on houses in your area. Below, you'll see a full overview of the costs, payback period, and 20-year average savings for a 5 kW system installed in your county.
Average out-of-pocket cost for a 5 kW system The upfront amount spent to buy and install solar.
Terrebonne Parish: $12,320US Average: $12,523
Average Payback Period The number of years until you break even on the solar investment.
Terrebonne Parish: 8 yearsUS Average: 7 years
Average Net 20-year savings The total amount of money saved over 20 years minus the out-of-pocket cost.
Terrebonne Parish: $15,124US Average: $17,429
Solar Potential in Terrebonne Parish
Estimated system size and solar electricity production per median viable roof in Terrebonne Parish.
Roof size 1,055sq. ft.
Capacity 14.75kW DC
Electricity 18.8kkWh AC per yr.
Electricity Costs in Terrebonne Parish, LA & What that Means for Your Solar Panel Pricing
Energy consumers in Terrebonne Parish generally pay 136.35 per month for electricity, using an typical of 1,362 kWh. Smaller units, including efficiencies and condos, are also part of the numbers cited in the earlier sentence.
In August 2025, the average electricity rate in Terrebonne Parish, LA is 10.01¢ per kWh.
Before any incentives, an 11 kW solar panel installation is priced at around $38,720, after the 30% federal tax credit, the price drops to $27,104.
Go Solar for less than your cell phone bill.
Average solar panel costs by system size in Terrebonne Parish
Displayed on the left and below is the cost analysis for multiple sizes of the solar panel systems set up in Terrebonne Parish. The initial cost for more extensive solar systems is larger, but they also yield greater electricity savings and larger income tax credits.
The solar panel cost calculator, situated below and to the right, offers a breakdown of costs and benefits using an average $136.35 electric bill for Terrebonne Parish. If you seek tailored results, change the $136.35 to your typical electricity bill amount.
System Size
Roof Size Min. space required
Electricity Value Annual Production
Est. Price
System Size 7kW
Roof Size Min. space required
501 ft²
Electricity Value Annual Production $1,124 a year
Est. Price
$17,248
Savings from a 7kWthis system
Est. yearly production 11,242 kWh
Est. monthly savings $94
Full payback in 11 years
Environmental Impacts
Reduces CO2 emissions by 5.36 tons a year
Equivalent to planting 246 trees a year
Equivalent to driving 13,279 mi less a year
System Size 8kW
Roof Size Min. space required
572 ft²
Electricity Value Annual Production $1,285 a year
Est. Price
$19,712
Savings from a 8kWthis system
Est. yearly production 12,848 kWh
Est. monthly savings $107
Full payback in 12 years
Environmental Impacts
Reduces CO2 emissions by 6.13 tons a year
Equivalent to planting 282 trees a year
Equivalent to driving 15,176 mi less a year
System Size 9kW
Roof Size Min. space required
644 ft²
Electricity Value Annual Production $1,445 a year
Est. Price
$22,176
Savings from a 9kWthis system
Est. yearly production 14,454 kWh
Est. monthly savings $120
Full payback in 14 years
Environmental Impacts
Reduces CO2 emissions by 6.9 tons a year
Equivalent to planting 317 trees a year
Equivalent to driving 17,073 mi less a year
System Size 10kW
Roof Size Min. space required
715 ft²
Electricity Value Annual Production $1,606 a year
Est. Price
$24,640
Savings from a 10kWthis system
Est. yearly production 16,060 kWh
Est. monthly savings $134
Full payback in 15 years
Environmental Impacts
Reduces CO2 emissions by 7.66 tons a year
Equivalent to planting 352 trees a year
Equivalent to driving 18,970 mi less a year
System Size 11kW
Roof Size Min. space required
787 ft²
Electricity Value Annual Production $1,767 a year
Est. Price
$27,104
Savings from a 11kWthis system
Est. yearly production 17,666 kWh
Est. monthly savings $136
Full payback in 17 years
Environmental Impacts
Reduces CO2 emissions by 7.79 tons a year
Equivalent to planting 358 trees a year
Equivalent to driving 19,277 mi less a year
Terrebonne Parish Solar Panel Installation Incentives & Rebates | 2025
The REAP Grant can potentially cover between 80% and 100% of the installation costs for photovoltaic or wind turbines for rural small businesses and farms. If you think you might be eligible, try our REAP Grant eligibility tool to verify your qualification.
Most people are eligible for the 30% federal income tax credit for residential solar, which makes it a practical investment in various areas of the country. Furthermore, several state and local efforts are in place to further encourage the adoption of solar energy.
Louisiana has 2 solar rebate and incentive initiatives available from a number of utilities and government agencies.
Solar incentives in LAIncentive Description Value
Home Energy Loan Program (HELP)
Value:Up to $6,000
The Louisiana Department of Natural Resources (DNR) manages the Home Energy Loan Program, or HELP, for homeowners making energy efficiency improvements. HELP loans offer a maximum principal of $12,000 to be repaid over five years. Half of the principal is disbursed by the DNR at 2% interest. The other half is disbursed from any of the HELP partner banks at their current market rate. The partner bank will handle all servicing responsibilities. HELP loan partners set their own institutional policies, including their own interest rates and the maximum amount for their own portion of the principal. Interested homeowners should therefore contact their local partner directly to apply or make further inquiries. A list of current HELP loan partners is available from the DNR website.
New Orleans City - Energy Smart Program
Value:Varies
The Energy Smart program is a joint venture between Entergy and the City of New Orleans. Orleans Parish Entergy customers may be eligible for a variety of rebates from the city government for new energy efficient equipment and improvement projects. Available rebates will change from time to time. Current offers include HVAC, windows, insulation/weatherization, ductwork, CFL/LED lighting, smart thermostats, and solar water/pool heating. Total rebate amounts can exceed $5,000 for qualifying customers. Application forms and additional information are available on both the Entergy and New Orleans city websites.
Are solar panels worth it in Terrebonne Parish, LA?
Intending to stay in your house beyond the solar payback period? Solar panels are a wise investment in Terrebonne Parish. Having a 5 kW solar system in Terrebonne Parish, LA can potentially save you roughly $20,404 over a span of 20 years, with an average break even point of 8 years.
The cost of not having solar panels in Terrebonne Parish, LA
In addition to missing out on the savings mentioned above, not having solar panels or an alternative backup energy source results in total reliance on your electric utility for electricity. Recent news reports have shown that complete dependence on your utility isn't always the best option.
Terrebonne Parish utilities have recorded 1.39 outages per customer per year recently. Each outage, on average, lasts for 210.24 minutes. In the case of major events like hurricanes, aging infrastructure, or wildlife damage, this period can rise substantially.
See the component below to see the number of current electricity customers without power in Terrebonne Parish.
A solar energy system, regardless of whether it has a backup battery or not, can relieve the strain of future power outages you may encounter.
Power Outages
Currently, 0 customers are being tracked in Terrebonne Parish.
What impacts the cost of solar panels in Terrebonne Parish, LA?
Your Energy Needs - Larger solar panel setups come with a larger price tag, yet the cost per watt decreases as the size of the system expands. It is often advantageous for consumers to install a solar system that can produce enough electricity to fully cover their electric bill, which leads to significant savings.
Make & Model - Just like other products, solar panels and mounting equipment come in a variety of makes and models. Because the installer you select might have specific brand preferences, picking a recommended company is especially important. Investing in superior quality materials can result in a much better long-term experience for the buyer.
Solar Panel Type - It's understandable that monocrystalline panels are now the industry standard. These panels are more expensive, yet they generate more energy. Most installers often utilize panels crafted from this material.
Your Property - Every home and property is unique. Sloping terrain, trees, or v can increase the complexity of the installation. These days, most solar installers can assess your home using satellite images and include these considerations for the preliminary cost estimate.
Labor Rates - The wages that companies offer their employees differ, and these costs are ultimately shown in consumer prices. Reviews for services and customer service are often higher for businesses that pay higher wages.
Permitting & Interconnection - The cost of installation will be influenced by varying local permitting and utility interconnection fees. Reputable local installers will incorporate these numbers into your initial quotes to prevent any surprises.
See what solar panels cost in other Terrebonne Parish cities
The typical cost per watt for solar panels in Terrebonne Parish, LA as of August, 2025 is $3.52/W. With the federal tax credit, the cost of a 5 kW solar panel system in Terrebonne Parish, LA drops to roughly $12,320.
In Louisiana, you have access to 2 rebates and incentives provided by numerous utilities and government organizations. In addition, the 30% federal income tax credit is available to almost everyone.
Even though cash payments offer the greatest savings, numerous financing options for solar panels today are also advantageous. Installers often have partnerships with financing companies and will provide this information in your initial quotes.
Yes, the average time to recoup the cost of 5 kW solar panels in Terrebonne Parish, LA is 8 years, with homeowners saving an average of $20,404 on electricity over 20 years.
Savings from 
Environmental Impacts 
