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Thinking of going solar in Southern California? Now is the time. The 30 % federal solar tax credit for homeowners ends December 31, 2025. Act now if you want to claim that savings. US Power is ready to help Southern California homeowners beat the deadline.

Countdown to Zero: How Much Time Remains?

There are approximately 2 months left before the federal 30% residential solar tax credit (Residential Clean Energy Credit, under IRC § 25D) expires December 31, 2025. That means your solar project must be fully installed, inspected, interconnected, and producing power by year-end to qualify.

Keep in mind: the timeline is tight. Permits, utility interconnection, inspections, and supply chain delays are very real. Many solar professionals say 60–90 days is a bare minimum from contract to turn-on.

In short: you must act immediately — even a few weeks’ delay can push you past the cutoff.

Why This Deadline Is a Game Changer

What Exactly Ends on December 31, 2025?

  • Under the “One Big Beautiful Bill” (OBBB), expenditures made after December 31, 2025 will not qualify for the 25D credit.
  • If your solar system is “placed in service” or installed after that date, you lose eligibility — even if you signed a contract earlier.
  • That includes battery storage installed with your solar system, which remains eligible if installed before year-end.

So anything not completed by December 31, 2025 is disqualified — not just part of it.

Important nuance: For solar leases or PPAs (third-party ownership), residential systems may qualify under IRC § 48E through 2027. But that does not apply to systems you own directly.

Bottom line: For homeowners buying or financing their own solar, 2025 is your final window to claim that 30% credit.

What the Deadline Means for Homeowners in Southern California

Huge Savings Are at Stake

Let’s run a hypothetical:

System Cost30% Tax CreditNet Cost After Credit
$20,000$6,000$14,000
$35,000$10,500$24,500
$50,000$15,000$35,000

Missing the tax credit means losing thousands off the table. With power bills rising, that’s a serious hit to your ROI.

Rush Demand = Supply & Scheduling Pressure

As news spreads, many homeowners are scrambling to secure installations.

  • Installers’ schedules will fill fast
  • Permitting and inspections may face delays due to backlog
  • Equipment lead times could stretch
  • Any hiccup in implementation could push you past the 2025 cutoff

Waiting just weeks could shift your project into 2026 territory — and in 2026, the 25D credit is gone for owner-owned systems.

Why US Power + QCells Puts You Ahead of the Rush

You need more than just a quote right now — you need speed, certainty, and strength. Here’s why US Power is the right partner for beating the deadline:

  • Factory-direct pricing via exclusive QCells partnership — no middleman markups, meaning your cost is leaner
  • High-efficiency, U.S.-friendly panels (QCells has strong U.S. operations)
  • Local experience in Southern California: permits, utility interconnection, inspections
  • Tight scheduling — we know what it takes to push a project through in time
  • Transparent tracking and communication — you’ll always know where your project stands

We’re not just trying to sell panels. We’re helping you capture every incentive available — before it disappears.

Your 90-Day Sprint: Steps to Beat the Deadline

Day 0–7: Initiate Contact & Walkthrough

  • Contact US Power for a free site survey and quote
  • Choose your system design, inverter, battery options (if desired)
  • Lock in pricing and timeline commitments

Week 2–4: Permitting & Approvals

  • Submit permit applications to local jurisdiction
  • Submit interconnection paperwork to your utility
  • Acquire engineering or structural reports as needed

Week 5–8: Installation & Inspection

  • Install racking, panel modules, wiring, inverter, battery
  • Coordinate inspections (electrical roof, building, utility)
  • Ensure interconnection approval and “Permission to Operate”

By December 31, 2025: System must be fully operational and producing power.

Any delay beyond that, even by a day, can disqualify eligibility for the credit under 25D.

If your project is large or has complexity (e.g. structural work, architectural constraints, HOA approvals), begin immediately. No time to waste.

FAQs with Time-Sensitive Clarity

Q: Can I “reserve” the tax credit now and install in 2026?
No. Under the new law, tax credits only apply to expenditures made and systems placed in service on or before December 31, 2025.

Q: What counts as “placed in service”?
It means your system must pass final inspection, be interconnected, and capable of producing electricity by Dec 31. Partial installations won’t qualify.

Q: What if utility approval delays push me past the deadline?
It’s a risk. That’s why early application and buffer time are critical. Some tax attorneys believe the IRS may accept systems installed just shy of deadline with pending approval, but this is not guaranteed.

Q: Do batteries installed later (after system) still qualify?
Only if the battery is integrated into the solar project before December 31, 2025. Retroactive battery installation after that date will not qualify under 25D.

Q: What about leasing / PPA options?
Those may be eligible under § 48E through December 31, 2027 — but the credit is claimed by the leasing company, not you.

Right Now is the Moment — Let’s Get Started

You’re staring at the final countdown — only about two months left to claim the 30% tax credit for residential solar. Delay even a week, and your chance slips away.

Don’t risk losing thousands in incentives.

Book your solar consultation now — let’s secure your spot and lock in those savings before 2026 begins

Solar News and Innovations

Published

October 16, 2025

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