The honest answer: 2026 is a worse year to buy solar than 2025 was, because the 30% federal tax credit expired on 31 December 2025. That does not make solar a bad deal – it makes it a local one. What decides the timing now is your electricity rate, your state’s programs, and your utility’s net metering rules. Here is how to read them.
Why 2026 Is a Critical Window
- The 30% federal tax credit is gone. The Inflation Reduction Act had locked it in through 2032, but the One Big Beautiful Bill ended Section 25D for any expenditure made after 31 December 2025. A 2026 cash or loan purchase gets no federal credit.
- California’s solar property tax exclusion sunsets January 1, 2027. California homeowners who add solar before the deadline avoid having their property taxes reassessed on the added value. After January 1, 2027, that exclusion disappears. If you are in California, 2026 is your last safe year.
- Solar panel prices are near historic lows. Equipment costs have dropped over 70% in the last decade and have plateaued. Waiting longer is unlikely to mean cheaper panels.
- Electricity rates keep rising. The longer you wait, the more you pay the utility. Every month of delay is a month of savings lost forever.
Best Months to Install Solar
You can install solar any time of year, but these factors affect timing:
| Season | Pros | Cons |
|---|---|---|
| Spring (Mar-May) | Good weather, installers available before summer rush | Moderate demand, some price pressure |
| Summer (Jun-Aug) | Long days, peak production once live | Busiest season, longer install waits |
| Fall (Sep-Nov) | Best installer availability, often better pricing | Shorter days during first months of operation |
| Winter (Dec-Feb) | Fastest installs, lowest prices | Weather delays in some regions |
The bottom line on seasons: Fall and winter typically offer the fastest install times and the best negotiating leverage with installers. But in 2026, the urgency of locking in incentives outweighs seasonal timing. Start getting quotes now regardless of the season.
How Long Does Solar Installation Take?
From signing a contract to powering your home, the typical timeline is 2 to 4 months:
- Week 1-2: Site assessment and system design
- Week 2-4: Permitting (the main variable – some cities are faster than others)
- Week 4-6: Installation (1-3 days of actual work on your roof)
- Week 6-12: Utility interconnection and final approval
If you want to be live before the end of 2026 – especially important for California’s property tax deadline – you need to start the process no later than September 2026 to leave enough time for permitting and interconnection.
What About Waiting for “Better” Technology?
Solar technology is mature. The panels installed today are 20-22% efficient and backed by 25-year warranties. The next generation of perovskite panels is still years from being commercially available. Waiting for a technology breakthrough is like waiting to buy a laptop until they are perfect – you will be waiting forever while paying utility bills.
Who Should Wait?
There are a few situations where waiting makes sense:
- You are planning to sell your home in the next 1-2 years and the ROI timeline does not fit (though solar typically adds value).
- Your roof needs replacement in the next few years – install solar at the same time to avoid labor costs later.
- Your shading situation is currently poor but you plan to remove the tree.
For everyone else, the combination of low prices, available incentives, and rising electricity rates makes 2026 an exceptional time to act.
Get Quotes Now – It Is Free
The fastest way to know if solar makes sense for your home is to get quotes. It costs nothing, takes 10 minutes, and gives you real numbers for your roof, your bill, and your state incentives.
Related: What Happened to the Federal Solar Tax Credit | Full Solar Cost Breakdown 2026 | California Solar Incentives