Homeowners looking at Missouri solar panel tax credits in 2026 face a changed landscape: the 30 percent federal residential clean energy credit no longer applies to expenditures made after December 31, 2025, and Missouri has no state income tax credit for solar. What remains is a property tax exemption on the added home value, a sales tax exemption that flows through licensed installers, net metering credits on your utility bill, possible utility rebates depending on your provider, and legal protections against HOA interference. Systems paid for in 2025 can still claim the federal 30 percent credit on this year’s return, with unused amounts carried forward.
The Federal 30 Percent Credit Is Gone for 2026 Installations
Under 26 U.S.C. ยง 25D, the residential clean energy credit paid 30 percent of qualified solar costs for systems installed between 2022 and 2025. A 2025 amendment cut off the credit entirely for new spending. The statute now provides that the credit “shall not apply with respect to any expenditures made after December 31, 2025.”1Office of the Law Revision Counsel. 26 USC 25D Residential Clean Energy Credit The IRS repeats the same rule on the 2025 Form 5695 instructions.2Internal Revenue Service. Instructions for Form 5695 (2025)
The trigger is the date of the expenditure, not the signing date or the install date. If you paid in 2025 and the crew finishes wiring in early 2026, the money was spent in time. If you signed a contract in 2025 but the payment posted in January 2026, it falls outside the window.
Missouri does not offer its own solar income tax credit. A 2026 bill, HB 3337, would create one starting in 2027, but it is a proposal, not law, and planning finances around pending legislation is a bad idea.
Claiming the Federal Credit for a 2025 Installation
If your qualifying expenditure landed before the cutoff, you claim the 30 percent credit on IRS Form 5695 and attach it to your Form 1040.3Internal Revenue Service. Form 5695 – Residential Energy Credits Line 1 asks for your total qualified solar electric property costs.
Qualified costs include the panels, inverters, mounting hardware, wiring, and labor for on-site preparation, assembly, and original installation. Battery storage with a capacity of at least 3 kilowatt-hours qualifies as a separate line item. Costs tied to a swimming pool, hot tub, or dual-purpose equipment do not qualify.2Internal Revenue Service. Instructions for Form 5695 (2025)
Two subtractions and one non-subtraction matter here. Utility rebates or subsidies for buying or installing the system reduce your qualified expenses before you calculate the 30 percent. Net metering credits do not.4Internal Revenue Service. Residential Clean Energy Credit You also must own the system, not lease it, to claim the credit.1Office of the Law Revision Counsel. 26 USC 25D Residential Clean Energy Credit
The credit is a dollar-for-dollar reduction of what you owe the IRS. If your tax liability is $4,000 and the credit is $6,000, the credit erases the $4,000 and the remaining $2,000 carries forward. Form 5695 has a line for the 2026 carryforward.3Internal Revenue Service. Form 5695 – Residential Energy Credits Keep receipts, the manufacturer’s certification statement, and documentation of when the system was placed in service.
Missouri Property Tax Exemption
This is the most straightforward Missouri benefit, and it runs for the life of the system. Section 137.100 of the Missouri Revised Statutes lists solar energy systems not held for resale as exempt from property taxation.5Missouri Revisor of Statutes. Missouri Code 137.100 – Certain Property Exempt From Taxes Your county assessor cannot bump up your taxable value to reflect a new solar installation.
Solar panels reliably raise a home’s market value, so without this exemption you would pay higher property taxes every year for as long as the system sits on your roof. Nothing is required to activate the exemption. It operates by law at the assessment level.
Sales Tax Exemption Works Through Your Installer
Missouri exempts solar photovoltaic equipment from sales and use tax, but the exemption is narrower than many homeowners assume. Under 12 CSR 10-112.020, the exemption applies to companies that purchase components to construct or improve solar photovoltaic energy systems for sale, lease, or electricity production.6Cornell Law Institute. Missouri Code of State Regulations 12 CSR 10-112.020 – Solar Photovoltaic Energy Systems Sales Tax Exemption
The regulation spells out who doesn’t qualify: “A homeowner purchases all of the components necessary to construct a solar photovoltaic energy system and installs it on his home. The homeowner cannot purchase the components exempt from sales and use tax as he is not a company.”6Cornell Law Institute. Missouri Code of State Regulations 12 CSR 10-112.020 – Solar Photovoltaic Energy Systems Sales Tax Exemption A DIY installer pays full sales tax on the materials.
When you hire a licensed solar contractor, that installer buys the panels, inverters, mounts, and wiring tax-free. The savings should be baked into your quote. It is worth asking the installer to confirm they are applying the exemption on your project’s components.
Missouri Utility Solar Rebates
Missouri’s Renewable Energy Standard in Section 393.1030 originally required investor-owned electric utilities to offer a standard rebate of at least two dollars per installed watt for new customer-side solar systems, up to 25 kilowatts per system.7Missouri Revisor of Statutes. Missouri Code 393.1030 – Renewable Energy Standard For a typical residential array, that is a meaningful discount.
Availability is another question. Many utilities have already hit their required solar capacity targets, and rebate programs funded under this mandate have closed or been fully subscribed in some service territories. Contact your electric provider directly and ask what solar incentive is currently on offer before you assume a rebate exists. Evergy and Ameren have run various programs over the years, and status changes.
Remember the federal-credit interaction: if you do receive a utility rebate, it reduces your qualified expenses on Form 5695 before the 30 percent is calculated (relevant only if your expenditure fell before the 2025 cutoff).4Internal Revenue Service. Residential Clean Energy Credit
Net Metering Credits on Your Utility Bill
Net metering is the ongoing financial return from a Missouri solar installation. Under Section 386.890, the Net Metering and Easy Connection Act, residential systems up to 100 kilowatts can feed surplus generation to the grid and receive a credit on the utility bill.8Missouri Revisor of Statutes. Missouri Code 386.890 – Net Metering and Easy Connection Act
The catch is how Missouri prices that surplus. Your utility credits the excess at the “avoided cost rate,” based on the utility’s average fuel cost, not the retail rate you pay for the electricity you draw. The avoided cost is well below retail, so the economics favor sizing the system to match your actual usage rather than overproducing. Credits that go unused expire 12 months after they’re issued, or when you disconnect service, whichever comes first.8Missouri Revisor of Statutes. Missouri Code 386.890 – Net Metering and Easy Connection Act
Utilities must offer net metering until customer-generator capacity totals five percent of the utility’s single-hour peak load from the previous year. Systems of 10 kilowatts or less face lighter interconnection requirements. You cannot connect to the grid without written approval from your utility; doing so can trigger immediate disconnection.8Missouri Revisor of Statutes. Missouri Code 386.890 – Net Metering and Easy Connection Act
Missouri HOA Solar Protections
Not a tax credit, but a cost-reducer: Missouri law protects your right to put rooftop panels on a home you own even if your HOA objects. Section 442.404, effective January 1, 2023, prohibits deed restrictions, covenants, or binding agreements from limiting or banning solar panel installation on rooftops you own and maintain.9Missouri Revisor of Statutes. Missouri Code 442.404
An HOA can adopt reasonable placement guidelines, but rules cannot prevent installation, impair the system’s function, restrict its use, or increase its cost or reduce its efficiency. In 2024 the Missouri Supreme Court held in Eikmeier v. Granite Springs Homeowners Association that an HOA rule limiting panels to the back of a home was a de facto ban and violated the statute. The court also confirmed the law applies retroactively to covenants that existed before it took effect.
The limits: the protection covers only rooftop systems on property you own and maintain, so ground-mounted installations and common-area roofs are not covered. The statute does not apply to condominium associations or residential cooperatives, and it does not set a deadline for HOA approval decisions.
Where This Leaves a 2026 Missouri Homeowner
Absent the federal credit, the tax side of a Missouri solar project rests on three things: the property tax exemption under Section 137.100, which prevents a bigger annual assessment on the added home value; the sales tax exemption under 12 CSR 10-112.020, which lowers project cost through a licensed installer; and net metering under Section 386.890, which shows up on your monthly utility bill at the avoided cost rate. A utility rebate may or may not be available depending on your provider. HB 3337 could add a state income tax credit in 2027 if it passes, but it has not.