Sales Tax Exemptions for Solar Equipment: Which States Offer Them

Of all the incentives covered in this category, a sales tax exemption is the least glamorous and the easiest to actually receive. There's usually no application, no waiting period, and no funding cap to run out of — the exemption is simply applied at the point of sale, the same way it would be for any other tax-exempt purchase.

How it works

Solar equipment (panels, inverters, racking, and often batteries and installation labor, depending on the state) is treated as exempt from the state's standard sales and use tax. Instead of the tax being added at checkout, it's simply left off the invoice for the exempt portion of the purchase.

Which states offer it

According to industry tracking, roughly 20 to 25 states offer some form of statewide sales tax exemption for solar equipment, and a handful of others have no state sales tax at all — which accomplishes the same result without needing a specific solar carve-out.

| Category | What it means | Example states | |---|---|---| | Full exemption, automatic | No paperwork needed from the buyer | Arizona (applied automatically at point of sale) | | Full exemption, equipment and/or labor | Some states exempt equipment only; others include installation labor | Colorado, Florida, Maryland, Massachusetts, New Jersey, New York | | No state sales tax at all | No solar-specific rule needed | Alaska, Delaware, Montana, New Hampshire, Oregon | | No exemption | Standard state sales tax rate applies to the full purchase | Confirmed for Texas as of early 2026 despite its strong property tax exemption; several other states also apply standard rates — check current state guidance |

Georgia and a number of other states currently apply standard sales tax to solar equipment with no statewide carve-out, though commercial-scale projects sometimes access separate economic development incentives that aren't available to residential buyers. As always with state programs, rules shift — confirm current treatment with your installer or your state department of revenue before assuming either way.

What it's actually worth: sales tax at different rates

The exemption's value scales directly with your state's sales tax rate and your system cost. Here's what a $25,000 system looks like at a few common rate levels.

| State sales tax rate | Tax owed without exemption | Tax owed with exemption | You save | |---|---|---|---| | 0% (no state sales tax) | $0 | $0 | $0 (moot — nothing to exempt) | | 4% | $1,000 | $0 | $1,000 | | 6% | $1,500 | $0 | $1,500 | | 7.25% | $1,813 | $0 | $1,813 | | 8.25% | $2,063 | $0 | $2,063 |

This is money that comes off the price before financing, which matters if you're taking out a solar loan — a lower principal amount means lower total interest paid over the life of the loan, on top of the direct tax savings.

Sales tax exemption vs. rebate vs. tax credit: what's actually different

| | Sales tax exemption | Rebate | State tax credit | |---|---|---|---| | When applied | At the point of sale | Usually after installation, via application | At tax filing, following year | | Paperwork required | Usually none | An application, sometimes with a waiting period | A state tax form | | Funding cap risk | None — it's a tax rule, not a limited fund | Common — many rebate programs have a budget that runs out | None — it's a percentage of your cost, not a fixed pool | | Reduces price before financing | Yes | Yes | No — you pay full price, then get money back later |

That last row matters more than it looks. A sales tax exemption and a rebate both reduce what you actually finance; a tax credit doesn't reduce your loan principal at all, since you pay the full amount upfront and only recover money later when you file taxes.

FAQ

Do I need to do anything to claim a sales tax exemption? In most states offering it, no — your installer simply doesn't charge sales tax on the exempt portion of the invoice. A few states may require a one-time exemption certificate on file; ask your installer directly.

Does the exemption cover installation labor, or just equipment? It varies by state. Some exempt the full invoice (equipment plus labor); others exempt equipment only, meaning labor is still taxed. Check your state's specific statute or ask your installer to break out the exempt and taxable portions of your quote.

Does battery storage qualify for the same exemption as solar panels? In many states, yes, if the battery is installed as part of a qualifying renewable energy system — but this isn't universal. Confirm with your installer whether your state's exemption language explicitly includes storage.

If my state has no sales tax exemption, is there any other way to reduce that cost? Not for the sales tax itself, but it's worth checking whether your state offers a property tax exemption or a state income tax credit instead — see our related guides — since states without a sales tax exemption sometimes compensate with a stronger credit or exemption elsewhere.

Can local jurisdictions add sales tax on top of an exempt state rate? In some states, yes — a state-level exemption doesn't always cover local or county sales tax add-ons. Ask your installer whether your quote reflects full exemption or state-only exemption.

Continue reading: state solar incentives now that the federal credit has expired and property tax exemptions by state.

Found an error? See our Corrections Policy.