May 18, 2026
The short answer: Illinois Shines labor compliance now triggers three separate enforcement regimes. The Illinois Power Agency (IPA) administers the Illinois Shines program itself, the Illinois Department of Labor (IDOL) enforces the Prevailing Wage Act on every covered project, and the Department of Commerce and Economic Opportunity (DCEO) administers the Illinois Works Apprenticeship Initiative on certain State-capital-funded projects. The largest day-to-day risk for most Approved Vendors is the Prevailing Wage Act, where penalties stack from back wages plus 20% on a first action up to 4-year debarment on repeat violations.
Contractors who treat the three regimes as a single workflow walk into avoidable risk. Each has its own triggers, its own deadlines, and its own penalty schedule. This guide breaks down what counts as a covered project, what Approved Vendors and their subcontractors must do, and what happens when something gets missed. It is written for compliance leads, EPC managers, and Approved Vendors managing community solar and Distributed Generation portfolios under Illinois Shines.
Illinois Shines is the IPA's solar Renewable Energy Credit (REC) incentive program, authorized under Section 1-75(c)(1) of the Illinois Power Agency Act (20 ILCS 3855). Eligible projects receive long-term REC contracts administered through Illinois Commerce Commission (ICC) approved procurement plans, the REC Contract, and the Illinois Shines Program Guidebook. The labor obligations attached to Illinois Shines flow from two specific subsections of the Act:
(1) Section 1-75(c)(1)(Q) requires Prevailing Wage Act compliance for specified renewable projects receiving REC delivery contracts. Public Act 102-0673 clarified that projects receiving incentives under Illinois Shines are public works subject to the Prevailing Wage Act, with the statutory hook in Section 1-75(c)(1)(Q).
(2) Section 1-75(c)(1)(T), added by Public Act 104-0458, requires a Project Labor Agreement (PLA) for covered community solar projects above the current statutory threshold. The 2026-27 Illinois Shines Program Guidebook sets that threshold at community solar projects over 3 MW AC (including certain co-located projects) approved by the ICC for a REC contract on or after June 1, 2026.
The Illinois Works Apprenticeship Initiative is a separate regime that sits in the Illinois Works Jobs Program Act (30 ILCS 559) and is implemented by 14 Illinois Administrative Code Part 680. It is tied to projects funded with appropriated State capital funds, not to REC incentives. An Illinois Shines project does not automatically fall under Illinois Works simply because it earns RECs, but a project funded with State capital can sit under both regimes at once.
For context on how Illinois Shines compares to other state-level solar prevailing wage programs, see our overviews of Illinois Shines program structure, New York's NYSERDA programs, New Jersey's SuSI program, and California's SURGE Act.
Illinois Shines Prevailing Wage Coverage:
Under the IPA Act and the Program Guidebook, covered Illinois Shines projects are classified as public works for purposes of the Prevailing Wage Act. That means the Approved Vendor must:
(1) Confirm prevailing wage coverage at Part I Application.
(2) Pay all laborers, workers, and mechanics on the project the proper local prevailing wage rate set by IDOL.
(3) Collect monthly Certified Transcripts of Payroll (CTPs) from every contractor and subcontractor on the job.
(4) Submit those CTPs to IDOL and surface them again at the Part II Application for Program Administrator review.
Illinois Shines Project Labor Agreement Requirement:
Public Act 104-0458 introduced a PLA mandate for larger community solar projects. The 2026-27 Guidebook sets the trigger at community solar projects over 3 MW AC approved by the ICC for a REC contract on or after June 1, 2026. The PLA must be executed before construction begins. The Guidebook gives the Approved Vendor the later of (1) 60 days before start of construction, (2) 30 days after PLA execution or amendment, or (3) 30 days after ICC approval to provide the document to the Program Administrator. The IPA expects the agreement itself to exist pre-construction because the statute defines a PLA as a pre-hire agreement.
Illinois Works Apprenticeship Initiative:
On covered Illinois Works public works projects estimated at $500,000 or more, apprentices must perform 10% of labor hours in each prevailing-wage classification under 14 Ill. Adm. Code 680.30. For contracts or grant agreements executed on or after January 1, 2024, at least 50% of that apprenticeship goal must be performed by graduates of specified Illinois pre-apprenticeship programs (Illinois Works Preapprenticeship Program, Illinois Climate Works Preapprenticeship Program, or Highway Construction Careers Training Program). Illinois Works coverage is tied to State capital funding, so most Illinois Shines projects will not automatically inherit these obligations unless they also draw State capital dollars.
For contractors and subcontractors working on Illinois Shines projects subject to prevailing wage, the Program Guidebook and the Prevailing Wage Act together require the following:
(1) Verify the applicable IDOL prevailing wage rate for every classification and county on the project, and re-check those rates regularly because IDOL updates them.
(2) Post written notice of the applicable prevailing wage rates at the work site, at the main office, or via other written communication to all employees.
(3) Pay the proper local prevailing wage rate, including the full journeyperson benefit rate for apprentices. Public Act 103-1052 codified IDOL's enforcement position that apprentices on prevailing-wage-covered projects must receive the full journeyperson benefit rate.
(4) Maintain payroll and time records for five years from the date the wages were paid, under 820 ILCS 130/5.
(5) File certified payroll by the 15th day of each month for the preceding month's work, using the IDOL Certified Transcript of Payroll Portal.
(6) Submit CTPs to the Illinois Shines Program Administrator at the Part II Application so the Program Administrator can re-verify compliance before the project clears the program lifecycle.
For community solar projects subject to the new PLA mandate, the Approved Vendor must additionally execute a qualifying pre-hire PLA before construction starts and provide it to the Program Administrator inside the Guidebook's submission window.
For projects also subject to Illinois Works, the contractor or grantee must track apprentice labor hours in each prevailing-wage classification, file the project-completion certifications required by 14 Ill. Adm. Code 680.50 with DCEO and the funding agency, and submit a waiver or reduction request under 14 Ill. Adm. Code 680.40 as soon as practicable after the basis for relief is known.
According to the Illinois Shines Program Guidebook, prevailing wage requirements do not apply to:
(1) Residential Distributed Generation (DG) projects serving a single-family or multi-family residential building.
(2) DG projects serving a house of worship that do not exceed 100 kW AC, aggregated with any co-located project.
(3) Large DG projects over 25 kW AC that were on the Illinois Shines waitlist as of the program reopening on December 14, 2021.
(4) DG projects that began construction activities prior to September 15, 2021.
(5) Projects in the 10 to 25 kW range initially submitted to the Large DG Category before November 1, 2021, when the program paused to adopt Climate and Equitable Jobs Act (CEJA) updates. These are treated as Large DG waitlisted projects.
The PLA exemption set is narrower because the requirement is project-size and date driven. Community solar projects at or below 3 MW AC, or projects approved by the ICC for a REC contract before June 1, 2026, fall outside the PLA mandate. Illinois Works exemptions, by contrast, are framed in 14 Ill. Adm. Code Part 680 and rely on waiver and reduction requests filed with DCEO.
Illinois Shines labor compliance failures expose contractors and Approved Vendors to penalties across three separate enforcement tracks. The most material exposures break down as follows.
Illinois Shines Program Discipline:
If the Program Administrator finds prevailing wage noncompliance on a covered project, the Approved Vendor must provide backpay to impacted workers and document the cure before the project can move through Part II Verification. Failure to cure can trigger:
(1) Project ineligibility at Part II.
(2) An event of default under the REC Contract.
(3) Program discipline under the Consumer Protection Handbook's matrix, which includes warning letters, suspensions in three-month increments, and permanent revocation.
The IPA may also refer the matter to IDOL for separate Prevailing Wage Act enforcement. For PLA failures, the same Part II ineligibility and REC-contract default consequences apply, with the additional risk that construction without an executed PLA can be treated as a Guidebook violation in its own right.
Prevailing Wage Act Penalties:
Separate from program discipline, IDOL can pursue the statutory penalty schedule under 820 ILCS 130/11 and 820 ILCS 130/5. The structure is:
(1) First action: Back wages owed to underpaid workers, plus 20% of the underpayment paid to IDOL, plus monthly punitive damages to the worker equal to 2% of the State penalty for each month the underpayment remains unpaid. The Illinois Supreme Court interpreted this remedial structure in Valerio v. Moore Landscapes, LLC, 2021 IL 126139.
(2) Second or subsequent action: Back wages owed to underpaid workers, plus 50% of the underpayment paid to IDOL, plus monthly punitive damages to the worker equal to 5% of the State penalty for each month the underpayment remains unpaid.
(3) Certified payroll civil penalty: Up to $1,000 for a first offense and up to $2,000 for a second or subsequent offense within five years, with each month constituting a separate offense. The civil penalty schedule was added by Public Act 104-23, effective June 30, 2025.
(4) Certified payroll criminal exposure: Willful failure to file certified payroll, or willfully filing a materially false certified payroll, is a Class A misdemeanor under 820 ILCS 130/5(a).
(5) Prevailing wage debarment: A contractor with two separate Prevailing Wage Act violations within five years can be debarred from public works for four years under 820 ILCS 130/11a and 56 Ill. Adm. Code Part 100. A hearing must be requested within 10 working days after the second notice of violation, or debarment follows automatically. Debarment extends to affiliated firms and to directors, officers, agents, and other controlling persons.
Illinois Works Sanctions:
When a project sits under both Illinois Shines and Illinois Works, the Illinois Works penalty regime adds another layer. Under 30 ILCS 559/20-20(c) and 14 Ill. Adm. Code 680.60, intentional failure to comply with Illinois Works after notice (and without a granted waiver or reduction) allows the State agency to (1) terminate the contract or agreement, (2) bar the party from State public contracts or agreements for up to three years, and/or (3) seek a penalty of up to 25% of the contract or agreement amount. Submitting false or misleading information to satisfy Illinois Works compliance can be declared a material breach under 14 Ill. Adm. Code 680.60(a).
IDOL has been visibly active in clean-energy prevailing wage enforcement. The most directly relevant Illinois Shines-adjacent example is IDOL's June 9, 2025 release involving D&D Electric, LLC in Saline County, where IDOL recovered more than $85,000 in unpaid wages for 17 workers on a solar panel installation and assessed more than $17,000 in penalties after finding misclassification and errors involving fringe benefits and overtime. IDOL explicitly tied the enforcement to CEJA's extension of prevailing wage requirements to clean-energy projects receiving IPA incentives.
IDOL's May 6, 2026 release reported more than $398,000 in back wages for 29 workers across three employers. The most apprenticeship-specific finding involved Empire Electric, where IDOL determined a worker had been placed in an apprentice electrician classification without enrollment in a recognized apprenticeship training program. IDOL recovered more than $28,000 in underpayments for five employees and more than $5,600 in penalties on that file alone. General Energy Corp. and Lake of Egypt Docks were also named in the same release for trade misclassification, certified payroll failures, and overtime issues.
The May 8, 2025 Bulk Storage, Inc. settlement is also instructive even though it was not solar-specific. IDOL distributed more than $483,000 to workers and collected $85,000 in penalties after determining the contractor failed to pay required prevailing wages and benefits. The takeaway: IDOL is willing to resolve prevailing wage cases through substantial back-wage recoveries combined with negotiated penalties, not only through litigation.
Debarment is also operational, not theoretical. The Illinois Chief Procurement Office and IDOL public records list National Roofing Corporation as actively debarred for Prevailing Wage Act violations, with documented recordkeeping failures cited on the public-facing debarment list.
Three patterns recur across IDOL releases and Illinois Shines Program Administrator notices, and each maps to a specific penalty exposure.
Mistake 1: Treating an unregistered worker as an apprentice.
A worker placed in an apprentice classification without enrollment in a federally or state-recognized apprenticeship training program must be reclassified and paid the full journeyperson prevailing rate. Underpayment then triggers Section 11 remedies (back wages plus the 20% or 50% State penalty plus monthly punitive damages). The Empire Electric case in IDOL's May 6, 2026 release is the textbook example of this issue.
Mistake 2: Paying apprentice fringe rates instead of journeyperson fringe rates.
Public Act 103-1052 codified that apprentices on PWA-covered projects must receive the full journeyperson fringe-benefit rate, not a reduced apprentice fringe rate. Many contractors carry over fringe rate practices from non-prevailing-wage work and then discover the gap during a Part II review or an IDOL audit.
Mistake 3: Late or incomplete Certified Transcripts of Payroll.
Each month a CTP is missing or materially false is a separate offense under 820 ILCS 130/5(d), with civil penalties up to $1,000 per offense for a first violation and up to $2,000 per offense for subsequent violations within five years. Willful filings of materially false CTPs are also a Class A misdemeanor under 820 ILCS 130/5(a) and trigger automatic 4-year debarment under 820 ILCS 130/11a if combined with a second violation.
Does Illinois Shines require a Project Labor Agreement?
Only on covered community solar projects. Public Act 104-0458 added Section 1-75(c)(1)(T), which the 2026-27 Illinois Shines Program Guidebook implements as a PLA requirement for community solar projects over 3 MW AC approved by the ICC for a REC contract on or after June 1, 2026. Other Illinois Shines categories (utility-scale solar, brownfield solar, smaller community solar, Distributed Generation) are not subject to the PLA mandate, though they are still subject to prevailing wage under Section 1-75(c)(1)(Q) where applicable.
Is every Illinois Shines project automatically subject to the Illinois Works 10% apprenticeship goal?
No. Illinois Works coverage requires State or State-agency contracting or funding from appropriated capital funds, plus a project estimated at $500,000 or more, plus the funding-share rules in 14 Ill. Adm. Code Part 680. An Illinois Shines project that only receives REC incentives is not automatically an Illinois Works project. Both regimes can apply on the same project if it independently triggers each one.
What is the deadline for filing a Certified Transcript of Payroll under the Illinois Prevailing Wage Act?
Certified payroll is due by the 15th day of each month for the preceding month's work, submitted to the IDOL Certified Transcript of Payroll Portal. Each month that a required CTP is not filed is treated as a separate offense.
What penalties apply to a first Prevailing Wage Act underpayment?
Under 820 ILCS 130/11, the contractor or subcontractor must pay back wages to underpaid workers, plus 20% of the underpayment as a State penalty paid to IDOL, plus monthly punitive damages to the worker equal to 2% of the State penalty for each month the underpayment remains unpaid. The worker may also recover costs and reasonable attorney's fees. A second action raises the State penalty to 50% and the monthly punitive damages to 5%.
How long does Prevailing Wage Act debarment last?
A contractor with two separate Prevailing Wage Act violations within five years can be debarred from public works for four years under 820 ILCS 130/11a. The debarment extends to affiliated firms and to directors, officers, agents, and other controlling persons. A hearing must be requested within 10 working days after the second notice of violation, or debarment follows automatically.
Do apprentices on Illinois Shines projects receive the apprentice fringe rate or the journeyperson fringe rate?
The journeyperson fringe rate. Public Act 103-1052 codified that apprentices on PWA-covered projects must receive the full journeyperson fringe-benefit rate. Paying the apprentice fringe rate is an underpayment that triggers Section 11 remedies.
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