All of Maryland · Tax exemption
Sales and Use Tax Exemption for Solar, Geothermal and Residential Wind Equipment
Run by Comptroller of Maryland
Maryland charges no sales tax on solar energy equipment (electric and hot water), ground-loop geothermal heating and cooling equipment, or residential wind equipment.
Amounts
How much you get
You pay no Maryland sales and use tax on qualifying equipment. Savings equal the sales tax that would otherwise apply.
Eligibility
Do I qualify?
You need to meet all 2 of these.
Your home is in Maryland.
Geothermal equipment must use ground-loop technology to heat and cool a structure. Solar equipment must heat or cool a structure, make electricity for the structure or the grid, or heat water. Equipment that's part of a non-solar system doesn't qualify.
Equipment
What equipment counts
Applying
How to apply
The discount comes off at the register.
- No application.
The exemption applies at the sale. If you were charged sales tax on qualifying equipment, ask the seller to correct it, or request a refund from the Comptroller (1-800-638-2937).
Forms and instructionsTax-General § 11-230
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Sales and Use Tax Exemption for Solar, Geothermal and Residential Wind Equipment pay?
You pay no Maryland sales and use tax on qualifying equipment. Savings equal the sales tax that would otherwise apply.
Is it still available?
Yes. It was open when we last checked, on October 19, 2026.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
When one of these pages changes, we re-check this page against it.
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