The Residential Solar Tax Credit Is Gone... Does Adding Solar Still Make Sense?
The 30% Federal solar tax credit for homeowners ended on December 31st, 2025. If you missed it, you're not alone, and you're probably wondering whether going solar still makes financial sense without it.
The short answer: yes, for most California homeowners, it absolutely does. But the math has changed, and the decisions are more nuanced than they used to be. Here's what you need to know.
July 2026 | 6-minute read | ITC, Solar Economics, NEM 3.0, Going Solar
What Changed?
The One Big Beautiful Bill Act, signed into law on July 4th, 2025, eliminated the Residential Investment Tax Credit (Section 25D) for systems not installed and operational by year-end 2025.
On a typical $30,000 residential solar system, that credit was worth $9,000 back in your pocket at tax time. That's a significant incentive, and its absence has understandably made some homeowners pause.
But here's what hasn't changed: California electricity rates are still among the highest in the nation, they're still climbing, and the sun is still shining on your roof for free. The question that remains: does the ROI for adding solar still make sense?
Payback Period vs. Lifetime Savings
Without the Investment Tax Credit (ITC), payback periods have gotten longer. Here's what the numbers look like for a cash purchase in Southern California:
- With the 30% credit: 5-8 year payback
- Without the credit (2026): 8-12 year payback
- System warranty: 25 years for panels, 10-15 years for batteries
- Typical lifetime savings: $50,000-$100,000+ over 25 years
Even at a 10-year payback, you're looking at 15+ years of essentially free electricity.
The question isn't whether solar saves money. It's whether the timeline works for you.
Prepaid Leases: The Tax Credit Isn't Gone Yet
Here's something most homeowners don't realize: the tax credit didn't disappear completely.
Third-party owned (TPO) systems — solar leases and Power Purchase Agreements (PPAs) — still qualify for the 30% tax credit under the Commercial ITC (Section 48E), which doesn't end until December 31st, 2027. With these financing products, the company that owns the system claims the credit, and passes the savings to the homeowner.
Traditional TPO agreements have always come with their own tradeoffs: you don't own the system; PPAs often come with escalator clauses on payments; and you don't benefit from the system's impact on home value in the same way an owner does. Today, TPO lenders offer prepaid lease programs, which give homeowners the benefit of the 30% ITC, while creating a clear path to ownership.
Prepaid leases in 2026 are allowing homeowners to purchase or finance solar for 70% of the gross installation cost. The TPO takes the tax benefits, and gives the homeowner the option to purchase the system at Fair Market Value (FMV) after 6 years. By that point, only about 24% of the prepaid lease value has been consumed. The remaining balance gets credited against the FMV, typically resulting in a $0 or near-$0 buyout cost. After purchase, the homeowner owns the system outright, keeps all grid services revenue, and retains 100% control.
If you sell your home before exercising the buyout, the prepaid lease can be freely transferred to the buyer. Alternatively, the homeowner can skip the buyout entirely and benefit from the lease agreement, which has already been paid in full, for the remainder of the 25-year term.
The prepaid lease is a complex program, which can be difficult to digest, but it is absolutely worth considering as a means of capturing the full financial benefits of adding solar.
NEM 3.0 Makes System Design More Critical
If you're going solar in 2026, you're going onto NEM 3.0 (the Net Billing Tariff). Your excess solar energy sent back to the grid earns roughly $0.05-$0.08 per kWh — a far cry from the near-retail credits under NEM 1.0 and 2.0.
What this means in practice:
- A solar-only system under NEM 3.0 has a significantly longer payback period.
- A solar-plus-battery system, which stores excess energy and uses it during expensive evening hours, can compress that payback considerably.
- The rate differential between super off-peak (when your panels produce) and on-peak (when you use the most) is where the savings live.
This is where system design matters more than it ever has. The difference between a generic system and one optimized for your usage patterns, rate schedule, and storage needs can be tens of thousands of dollars over 25 years. It's not just about how many panels go on your roof anymore.
Why Independent Guidance Matters More Now
When the 30% credit was available, the economics of solar were forgiving. A system that was slightly oversized or poorly designed still penciled out because the credit covered a lot of margin. That cushion is gone.
In a post-ITC market, every design decision carries more weight:
- Panel count and placement
- Inverter type (string vs. microinverter)
- Battery sizing and dispatch strategy
- Rate schedule optimization
- Financing structure (cash, loan, prepaid lease, PPA)
Many solar sales reps have a financial incentive to close the deal, not necessarily to design the best system for your situation. An independent expert analysis of your consumption patterns and home details can help maximize the financial benefits of adding solar.
The stakes of getting it wrong just went up. So did the value of getting it right.
Final Take
Solar is still one of the best long-term investments a California homeowner can make. Electricity rates aren't coming down, and the sun isn't going anywhere.
But 2026 is a different market than 2023. The residential tax credit is gone, NEM 3.0 demands smarter system design, and the financing landscape has shifted. The incentive structure requires more homework and more careful decision-making. That's exactly what we're here for.
Considering solar in 2026? Get in touch for a free, no-pressure consultation. We'll walk you through the numbers for your specific home and help you decide if solar makes sense.
Boden Energy Solutions
A dedicated community member known for his extensive volunteer work throughout the town, Tyler founded Boden Energy Solutions with a clear mission: to empower homeowners with personalized solar solutions. Leveraging a decade of specialized experience in photovoltaic solar and energy storage, Tyler's approach goes beyond simple sales, prioritizing a consultative process that ensures clients understand and benefit from their investment.