Maine Solar + Storage Rebate Program

Efficiency Maine Trust

Available Solar & Renewable

About This Program

Maine Solar + Storage Rebate Program is available to homeowners in South Portland, ME.

Rebate program for residential solar photovoltaic systems paired with battery storage. Provides $4,000 base rebate for solar plus up to $6,000 for battery storage. Federal tax credits also available (30% ITC). Must use qualified installer.

Combined rebate for solar panels and battery storage system

Official source site checked live on 2026-06-22.

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

In South Portland, ME, you can combine this program with other local help to cut your cost:

Key Details

  • Up to $10,000 for solar + battery storage
  • $4,000 base rebate for solar installation
  • Up to $6,000 additional for battery storage
  • Combine with 30% federal solar tax credit
  • Must use Efficiency Maine qualified installer

How to Apply

Get free help applying Visit Official Program Page Track this program

(866) 376-2463

A grant-savvy contractor in South Portland, ME 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 South Portland 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: Applications accepted through December 2025

Questions about this program?

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

Email us about this program

Frequently asked questions

Who qualifies for Maine Solar + Storage Rebate Program in South Portland?

Maine Solar + Storage Rebate Program is open to homeowners in South Portland, ME. It has no income limit.

How do I apply for Maine Solar + Storage Rebate Program in South Portland, ME?

Apply directly with Efficiency Maine Trust using the official program link on this page or call (866) 376-2463. There is no middleman and no fee. Deadline: Applications accepted through December 2025.

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 South Portland, ME contractors

Find More Programs in South Portland, ME

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

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