Louisiana Solar Energy Systems Tax Credit

Louisiana Department of Revenue

Available Solar & Renewable

About This Program

Louisiana state income tax credit for residential solar photovoltaic or solar thermal systems. Credit equals 50% of system cost up to $12,500 maximum, claimed over four years (38% year 1, remainder over 3 years).

Tax credit covers 50% of installed solar system cost up to maximum

Official source site checked live on 2026-06-17.

Data last verified 2026-06-09. How we verify our data.

Key Details

  • 50% tax credit on solar installation costs
  • Maximum $12,500 credit per residence
  • Claimed over 4 years (38% first year)
  • Stackable with federal 30% solar credit
  • Must be new equipment installed by Dec 31, 2025

How to Apply

Get free help applying Visit Official Program Page Track this program

(225) 219-0102

A grant-savvy contractor in Slidell, LA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Slidell early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Systems installed through December 31, 2025

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse Slidell, LA contractors

Find More Programs in Slidell, LA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

See All Programs