Commercial · Incentives
Every Incentive. Fully Explained.
The federal and state incentive stack for commercial solar is genuinely exceptional — but only if you understand it, plan for it, and act before the 2026 deadline. Here's everything on the table.
The Full Stack
What you're entitled to.
30% Federal Investment Tax Credit (ITC)
- ▸A dollar-for-dollar reduction in your federal tax liability — not a deduction, a credit.
- ▸Applies to 30% of the total installed system cost, including equipment, labor, and engineering.
- ▸No cap. A $1M project earns a $300,000 tax credit.
- ▸Unused credit can carry forward for up to 20 years.
- ▸Available to C-corps, S-corps, LLCs, and individual property owners with tax liability.
MACRS 5-Year Accelerated Depreciation
- ▸Solar systems qualify for 5-year Modified Accelerated Cost Recovery System (MACRS) depreciation.
- ▸The depreciable basis is the full system cost minus 50% of the ITC claimed. On a $500K system: $500K − $75K = $425K depreciable.
- ▸Depreciation schedule: 20% / 32% / 19.2% / 11.52% / 11.52% / 5.76% over 6 tax years.
- ▸At a 21% corporate rate, a $500K system generates ~$89,250 in additional tax savings from depreciation alone.
- ▸For cash buyers at higher individual rates (37%), the depreciation benefit is even larger.
Bonus Depreciation
- ▸The Tax Cuts and Jobs Act introduced 100% bonus depreciation, allowing the entire depreciable basis to be deducted in Year 1.
- ▸For projects placed in service in 2025, bonus depreciation is 40% (phasing down). Consult your CPA for your specific project year.
- ▸When available, bonus depreciation front-loads the tax benefit dramatically — making Year 1 returns exceptional for cash buyers.
- ▸Works in combination with MACRS; you elect which method applies at tax filing.
Domestic Content Bonus Credit (+10%)
- ▸Projects using U.S.-manufactured steel, iron, and manufactured products can claim an additional 10% ITC credit.
- ▸Stacks on top of the base 30%, bringing your total credit to 40%.
- ▸Qualifying requires meeting specific domestic content thresholds — Sentinel can help evaluate eligibility during project design.
- ▸This is the most commonly overlooked bonus credit. Procurement decisions at the design stage determine eligibility.
Energy Community Bonus Credit (+10%)
- ▸Projects located in designated 'energy communities' — areas historically dependent on fossil fuel industries — qualify for an additional 10% ITC.
- ▸San Antonio and parts of South/Central Texas have qualifying zones. Location is determined at point-of-interconnection.
- ▸Like the domestic content bonus, this stacks on the base 30%, bringing total credits to 40%.
- ▸Both bonuses can be stacked simultaneously for a potential 50% total ITC on qualifying projects.
Texas Property Tax Exemption
- ▸Texas law exempts the added value of a solar installation from property tax assessment.
- ▸A commercial system that adds $400,000 in property value generates $0 in additional annual property taxes.
- ▸This benefit compounds over the entire system lifespan — typically 25+ years.
- ▸No application required; the exemption applies automatically to qualifying systems.
Real Example
How the stack works on a $500K system.
2026 Deadline
Construction must start by July 4, 2026.
To guarantee the full 30% ITC, commercial projects must begin construction — not complete it — before July 4th, 2026. "Beginning construction" has a specific IRS definition. Starting early gives you margin. Given current permitting timelines in San Antonio and Austin, projects starting engagement now are well-positioned. Projects starting in April are cutting it close.
Common Questions
Before you talk to your CPA.
Can I take the ITC if I don't have enough tax liability?
Yes — unused credit carries forward for up to 20 years. If your liability is $100K and your credit is $150K, you use $100K this year and carry $50K forward.
Does MACRS apply to S-corps and pass-through entities?
Yes. The depreciation benefit passes through to individual owners. The effective value depends on individual tax brackets — often higher than the 21% corporate rate example above.
What qualifies as 'beginning construction' for the ITC deadline?
The IRS uses two tests: Physical Work Test (actual construction activity begins) or 5% Safe Harbor (5% of total project cost incurred before the deadline). Either satisfies the requirement.
Can I stack the domestic content AND energy community bonuses?
Yes. A project qualifying for both can claim 30% + 10% + 10% = 50% ITC. This is rare but real — Sentinel evaluates both during project design.
Run the numbers on your property.
Use the ROI calculator to see a personalized estimate, or reach out and we'll build a full financial model for your specific building and tax situation.