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Illinois Logged 832 Solar Complaints in 2025 and Has Paid $473,000 Back to Burned Customers — What Actually Went Wrong, and Who Gets Paid
analysis13 min read

Illinois Logged 832 Solar Complaints in 2025 and Has Paid $473,000 Back to Burned Customers — What Actually Went Wrong, and Who Gets Paid

Ryan Cook••

Illinois logged 832 solar complaints in 2025, and the state's restitution fund has now paid 170 burned customers nearly $473,000. Both numbers come from the Illinois Power Agency's own documents: the Consumer Complaints and Disciplinary Actions Annual Report published February 27, 2026, and a Solar Restitution Program brochure the agency released September 11, 2026 with data through June. If you're thinking about solar in Illinois and wondering whether you're about to get taken, these are the documents you actually want. I read all of them. Here's what they say.

The scoreboard

What the state reports Figure Source and date
Illinois Shines complaints, calendar 2025 832 (down from 1,123 in 2024) IPA annual complaints report, Feb 27, 2026
Complaints, program year June 2025–May 2026 995 IPA PY 2025-26 end-of-year report, July 31, 2026
Largest complaint category, 2025 Mechanical / installation issues, 228 IPA annual complaints report
Entities suspended in 2025 113 (92 for equity-paperwork rules) IPA annual complaints report
Community solar "slamming" complaints, 2025 51 of 80 community solar complaints IPA annual complaints report
Restitution paid, Phase I 170 customers, nearly $473,000 as of June 2026 Solar Restitution Program brochure, Aug 25, 2026
Average restitution payment after cap expansion $7,615 small DG / $17,584 large DG (through June 2026) Solar Restitution Program brochure
Restitution caps $30,000 per project ≤ 25 kW; $50,000 above; $3,000,000 per vendor illinoisshines.com/solar-restitution-program
Escrow payouts (voluntary process with one suspended vendor) $1,796,680 to 196 customers, plus $406,594 to 39 earlier customers (through Aug 2026) Escrow Process flyer, Sept 11, 2026
Stranded customers, PY 2025-26 95 newly registered, 43 unstranded IPA end-of-year report

The number everyone is going to get wrong

Illinois suspended 113 entities from the Illinois Shines program in 2025.

That sounds like a bloodbath. It isn't, and I'd rather tell you that up front than scare you into a sale.

Dig into the footnotes and the picture changes: 92 of those 113 were suspended for failing to comply with Minimum Equity Standard requirements, a workforce-diversity paperwork rule. Another 10 missed a renewal registration deadline. Of the remaining eleven, three were suspended because of something a customer complained about.

If you see a headline screaming that Illinois suspended 113 solar companies, you're being sold outrage. The real story is quieter and more useful.

What actually goes wrong isn't the sales pitch

Every article about Illinois solar scams is about the guy at your door. The state's data tells a different story. Of the 832 complaints filed in 2025, the biggest category wasn't marketing:

  • Mechanical or installation issues: 228. The panels, the inverter, damage from the install.
  • Installation contract terms: 199.
  • Misleading marketing: 143.
  • Delay or failure to pass through the REC payment: 102.
  • Illinois Shines application problems: 75.

The top complaint in Illinois solar is that the system doesn't work right, and the second and third are that the paperwork didn't match the pitch.

Then there's the detail that made me put my coffee down. Of those 228 mechanical complaints, 52% also included a secondary complaint that the company wouldn't respond. Across the whole report, failure to respond was the primary subject of only six complaints, but a secondary subject in 334 of them, 40% of everything filed.

That's the thing to be afraid of. Not the pitch. The silence afterward. Of the 305 complaints marked "Closed" rather than "Resolved," 135 were closed because the vendor went nonresponsive, to the state. If a company will ghost the agency that controls its incentive payments, imagine how it handles a Tuesday-afternoon voicemail from you in Decatur.

The program-year report shows the same pattern from a different angle: of everything the Program Administrator worked on in 2025-26, 580 complaints were resolved and 523 were closed because the vendor or the customer went non-responsive, with 418 still under investigation. Those buckets include carryovers from earlier years, so they add to more than 995, but the shape holds. Roughly as many complaints end in someone going quiet as end in a fix. Only one of those parties is you.

It's a few companies, not the whole industry

Here's the part I find genuinely reassuring, and it's why I don't buy the "solar is a scam" framing.

The complaints are concentrated. Of the 199 complaints about contract terms, 53% were filed against just five companies. Of the 143 misleading-marketing complaints, five companies accounted for 46%, and four of those five are the same companies from the contract-terms list.

Five companies, out of hundreds registered in the program. I'm not going to publish their names, and you should be suspicious of any solar salesman who builds his pitch on competitors' complaint counts. But the report names them, it's public, and the tables run by company back to 2019. That table is the most useful thing in Illinois solar that almost no homeowner knows exists.

The pattern behind those five isn't hard to see. They're high-volume operations selling at national scale, where the person who knocks on your door in Bloomington doesn't work for the person who installs the system, who doesn't work for the person who owns the contract. Nobody in that chain is going to be at your kitchen table in year seven.

The 2025 explosion nobody saw coming: slamming

One category detonated last year. Community solar complaints hit 80 in 2025, a 471% increase over 2024, and 51 of those 80 were about the same thing: slamming, signing someone up for a community solar subscription without their knowledge or consent.

Most of the people who complained said flatly that they never agreed to it. Some said they'd never even talked to a solicitor. And thirteen of them reported that the surprise subscription interfered with a Percentage of Income Payment Plan with their utility, which for a household on a payment plan is about the worst thing an unwanted signup could do.

Community solar itself is legitimate. It's the path we point renters and shaded-roof homeowners toward through Illinois Shines and Solar for All. But subscriptions get sold by third-party marketers, and 2025 is the year that caught up with the program. The defense is boring and it works: read your electric bill. A community solar line you don't remember signing is your cue to make two phone calls.

If your solar company disappears, the backstop is real, and it has now paid out

This is the part I most want Illinois homeowners to know, because it's new money and the state just published the receipts.

Illinois built three tools in 2025 for what it calls stranded customers, people whose solar company went out of business or simply stopped being able to finish the job. Two of them have now written checks.

The Solar Restitution Program launched in May 2025 and is funded, per the brochure, with forfeited collateral from the state's solar programs and utility-scale procurements, not your tax dollars. It covers one narrow harm: your Approved Vendor collected the renewable energy credit incentive from the utility, promised you a share of it, and kept some or all of it. As of June 2026, 170 customers had received nearly $473,000. Phase I only covered people who got nothing; Phase II, launched June 2026, added people who got only part of what they were promised, and anyone denied under Phase I for that reason is automatically reconsidered with no new claim. (The program page's FAQ says May 2026 for Phase II; the brochure and the page's main text say June. If your dates sit near that line, ask.)

The money got bigger too. Phase I capped payouts at $30,000 per project and $200,000 per vendor, and that vendor cap ran dry fast; the annual report notes some early claimants recovered only about 20% of their eligible amount. Under the 2026 Long-Term Plan the per-project cap is still $30,000 at 25 kW or smaller but rises to $50,000 above that, and claims against a single vendor are now paid in full up to $3,000,000. The brochure says average payments after that expansion, through June 2026, were $7,615 for small residential projects and $17,584 for large ones. Those averages cover a different set of claims than the 170-customer total, so the two won't reconcile on a calculator, and I'd read them as the state telling you the checks are getting closer to what people were owed.

The escrow process (launched June 26, 2025) is the quieter success. When the state sees a high likelihood a vendor won't pass through promised payments, it directs the utility to pay the incentive to a third-party escrow agent, who pays you first and forwards whatever's left to the vendor. The September 11 flyer reports $1,796,680 paid to 196 customers through a voluntary version of that process, set up with one suspended vendor before the general process launched, plus $406,594 to 39 earlier customers of that vendor who had never received their promised payment. That's more money than restitution has paid, because escrow catches the payment before it disappears instead of clawing it back afterward.

The stranded-customer REC adder (launched October 23, 2025) pays another registered company a higher REC price to adopt your orphaned project and finish it. In program year 2025-26 the state registered 95 new stranded customers and reported 43 unstranded, with 27 vendors signed up to help. Forty-three families got their projects rescued. That's a small number against the size of this market, and it's forty-three more than would have happened otherwise.

The trap that disqualifies people before they start

Here's the line from the program page I wish every Illinois homeowner read before signing anything. Restitution payments, it says, will not be available to customers who are harmed by entities that are not registered Approved Vendors or Designees in the Illinois Shines or Illinois Solar for All programs.

Read that twice. A company can put Illinois Shines all over its pitch deck, take your deal, and leave you with no access to the state's fund, because it never registered. Checking takes five minutes on the Illinois Shines vendor directory. Do it before the first appointment.

Three deadlines decide whether you get paid

  • Two years from the date of harm to file your complaint, or two years from the launch of the relevant program phase, whichever is later. The program calculates "date of harm" as 90 days after your vendor invoiced the utility for your incentive, not the day you signed and not the day you gave up on a callback.
  • Six months from the day your complaint is closed to file the restitution claim, or six months from the phase launch if that's later.
  • 30 days to return the signed assignment of rights form after you submit the claim.

Miss one and it's over. If the Program Administrator asks for more information, you get 30 calendar days; miss that and the claim closes, and while you can reopen it, you lose your place in line.

To start, file with the Illinois Shines Consumer Complaint Center or call 877-708-3456. Restitution questions go to the Program Administrator at 877-783-1820. If your installer is the one that went under, we wrote the playbook for that situation when one of the big national companies collapsed, and it still holds.

Where this lands if you're still deciding

Every restitution rule above turns on one thing: who was supposed to hand you the pass-through payment. On a cash or financed purchase, you own the system, the credits are yours, and your money travels through the solar company's hands to reach you. That handoff is where the harm this fund exists to fix happens.

On a lease or power purchase agreement, the company that owns the system holds the credit contract and collects that incentive directly. There's no pass-through sitting in someone else's account; your benefit shows up as the rate you pay, which on our leases runs as low as $0.10/kWh with the full 25-year rate schedule set in the contract before you sign. That's an estimate until we've looked at your usage.

That is not immunity. Lease customers can still get a bad install, a company that stops answering, or a service headache, and if you want the credits yourself, buying is a completely defensible choice. I've laid out both paths with real Illinois numbers, and what changed federally in 2026 matters to that math too. Just go in knowing which risks belong to which structure.

What I'd tell my neighbor

I sell solar in central and southern Illinois. I'm a registered Designee in Illinois Solar for All and I sell Illinois Shines projects through Approved Vendors, so I'm not the one holding anybody's credit contract, and I have an obvious interest in you buying a system. Read everything above with that in mind. Here's what I'd tell you anyway, and it takes about fifteen minutes:

  1. Confirm they're registered. Approved Vendor or Designee, on the state's list. If they aren't, the restitution fund can't help you.
  2. Demand the Disclosure Form before you sign anything. Illinois requires it, and there's a complaint category for companies that skip it.
  3. Get every savings number in writing. The state's own report admits misrepresentation is nearly impossible to prove when the promise was verbal; it comes down to "conflicting recollections."
  4. Ask who fixes it in year six. Get a human name.
  5. Look up their complaint count. It's public, by company, in the annual report on the Illinois Shines site.

The trend is moving the right way: 832 complaints in 2025 versus 1,123 in 2024. That matches what I see on the ground.

If you want to talk through a system with somebody who'll still be answering an Illinois phone number in year six, reach out or call me at (618) 217-2001. If you'd rather see estimated numbers for your own roof first, the savings calculator is free and nobody calls unless you ask.

Estimates only. Nothing here is a guarantee of savings, and I'm not a lawyer. If you believe a company defrauded you, the Illinois Attorney General's Consumer Fraud Hotline is 1-800-243-0618, and the Illinois Commerce Commission takes complaints about installers and suppliers.

Sources

Frequently Asked Questions

The Illinois Shines Program Administrator logged 832 complaints during calendar year 2025, according to the Illinois Power Agency's Consumer Complaints and Disciplinary Actions Annual Report published February 27, 2026. That's down from 1,123 in 2024, though still far above the 302 logged in 2023. Per the corrected April 2026 version, 457 were filed against Approved Vendors, 373 against Designees and 2 against companies outside the program. The largest category was mechanical or installation problems at 228 complaints, followed by installation contract terms at 199, misleading marketing at 143, delayed or missing REC incentive payments at 102, and Illinois Shines application problems at 75. Those five categories cover roughly 90% of everything filed. A separate program-year count, June 2025 through May 2026, came to 995 complaints in the agency's end-of-year report. The two numbers measure different twelve-month windows, so don't add them together. Both reports are public on the Illinois Shines website, and the annual one lists complaint counts by company.
No, but a handful of companies generate an outsized share of the problems, and the state's data shows it. Of the 199 complaints about installation contract terms in 2025, 53% were filed against just five companies. Of the 143 misleading-marketing complaints, five companies drew 46%, and four of those five appear on both lists. That's the honest picture: not industry-wide fraud, but a concentration problem among a few high-volume sellers, and the annual report names them in public tables. Illinois Shines is a real state program run by the Illinois Power Agency, with a mandatory Disclosure Form, registered vendors, a complaint process backed by suspensions, and since 2025 a restitution fund that has paid real money to customers whose vendor kept their incentive. The homeowners who get burned usually skipped the paperwork step, accepted a savings promise that was only made out loud, or signed with a company that had no local presence to come back to.
File a complaint with the Illinois Shines Program Administrator before anything else, because the complaint is the gate for every protection that follows. Use the Consumer Complaint Center on the Illinois Shines website or call 877-708-3456. You cannot receive restitution without first filing, cooperating with the investigation, and waiting for the complaint to be closed. Separately, ask the program to register you as a stranded customer, which flags your project so another registered company can adopt it; the state pays that company a higher REC price as an incentive. In program year 2025-26 the program registered 95 new stranded customers and reported 43 unstranded, with 27 vendors signed up to help. Check your equipment warranties too, since panel and inverter warranties come from the manufacturers and usually survive the installer's collapse. If you're on a lease or power purchase agreement, find out who owns the system now, because the service obligation follows the owner.
More than early numbers suggested, and still less than the caps. The state's restitution brochure, dated August 2026, says 170 customers had received nearly $473,000 as of June 2026, which divides to roughly $2,800 per customer on my arithmetic. The same brochure reports that after the payment caps were expanded, average payments through June 2026 were $7,615 for small residential projects and $17,584 for large ones. Those two figures cover different sets of claims, so don't expect one number to reconcile with the other; both are the state's own. The caps are $30,000 per project at 25 kW or smaller and $50,000 per project above that, with claims against a single vendor paid in full up to $3,000,000. Restitution reimburses one specific thing: the lump-sum pass-through payment your vendor collected from the utility and kept. It doesn't cover underproduction, a bad roof job, or a savings promise. Checks are mailed by an escrow agent.
Deadlines and registration status disqualify most people who miss out. You must file your complaint within two years of the date of harm or the launch of the relevant program phase, whichever is later. The program calculates the date of harm as 90 days after your vendor invoiced the utility for your incentive. You must file the restitution claim within six months of the complaint being closed, or six months from the phase launch if that's later, and return the signed assignment of rights form within 30 days. If the Program Administrator asks for more information, you get 30 calendar days. The bigger trap is registration: restitution isn't available if the company that harmed you was never a registered Approved Vendor or Designee, no matter how much Illinois Shines branding was in its pitch. If you were denied under Phase I because you'd received a partial payment, you're automatically reconsidered under Phase II with no new claim.

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