Challenges Faced By Solar Contractors
Why Solar Contractors Lose Money Before the Work Even Starts
The financial risks on today's solar projects extend far beyond labor costs. Compliance failures can reduce tax credits, increase labor costs, delay payments, and jeopardize future work.
Lapsed Certifications & Licenses
Operating with an expired NABCEP credential or a lapsed state electrical license doesn't just trigger regulatory fines. It breaches commercial contracts, halts active projects, and instantly disqualifies future bids.
Misclassified OSHA Standards
Rooftop solar falls strictly under OSHA Construction Standards (29 CFR 1926) with a 6-foot fall protection rule, not general industry. Treating installers as roofers or missing 1,500V DC safety protocols leads to immediate citations and site shutdowns.
Unmonitored Apprentice Hours
The IRA mandates that 15% of total labor hours be performed by registered apprentices under proper ratios. Missing this target triggers a $50/hour penalty that costs $500,000 on a 10,000-hour project on top of tax credit losses.
80% Tax Credit Cuts
Claiming the full 30% Investment Tax Credit requires proving IRA prevailing wage compliance for every hour worked. Lacking classification-level payroll records drops your tax credit to 6%, wiping out 80% of its value.
Tri-Trade Union Collisions
Utility-scale sites split work across IUOE (pile driving), LiUNA (racking), and IBEW (electrical). Running three concurrent collective bargaining agreements, fringe schedules, and remittance deadlines crashes standard single-union payroll setups.
Mid-Shift Job Swaps
Performing racking in the morning and electrical wiring in the afternoon requires split-classification tracking. Applying a single daily wage rate renders your certified payroll non-compliant and invalidates your 30% ITC.
What Solar Contractors See After Switching to Lumber
95%
reduction in manual payroll processing time
$0
compliance penalties
12%
reduction in labor costs
Lumber Features
All-in-one Workforce Management Software for Solar Contractors
Generic software was built for offices. Real solar contractor software handles job sites, IRA prevailing wages, tri-trade union rules, OSHA standards, and certified payroll.
Construction Payroll for Solar Contractors
Payroll Built for Solar Contractor Compliance
Auto-lookup prevailing wage rates by location and trade (electrician, laborer, operator) to lock in your full 30% tax credit.
Monitor apprentice hours live to guarantee you hit the 15% IRA threshold before closing the project or facing audit penalties.
Generate WH-347 reports in minutes on updated forms for federal and public works projects without manual calculations.
Concurrently manage IBEW, LiUNA, and IUOE agreements on utility-scale projects with split fringe schedules and separate remittances.
Hands-off federal, state, and local tax filings backed by CPAs who specialize in IRA compliance.
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Field Operations for Solar Contractors
Every Hour Worked. Every Dollar Tracked. Every Crew Accounted For.
Geofenced clock-ins log hours by project, classification, and task for accurate job costing and IRA reporting.
Give project managers real-time visibility into the IRA 15% labor hour threshold across all active job sites.
Submit digital fall protection plans, lockout/tagout forms, and arc-flash records directly from the field in seconds.
Compare actual vs. budgeted labor costs by crew, array section, and installation phase to protect project margins.
Track specialized tools and schedule crews based on real-time certification status, project phases, and inspection dates.
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HRIS for Solar Contractors
Hire & Onboard Fast. Retain Your Crew.
Mobile I-9s and disclosures completed digitally before day one.
Built-in ATS designed to quickly hire IBEW electricians, racking crews, and operating engineers across project cycles.
Track state electrical licenses, OSHA and NABCEP certifications automatically so uncredentialed workers never touch a job.
Full-service benefits administration integrated with Lumber payroll - enrollment system setup, carrier updates, invoice reconciliation, ACA and COBRA compliance.
Employee self-service for pay stubs, W-2s, and benefit elections.
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Compliance Software for Solar Contractors
Stay Ahead of Every Compliance Requirement
Track union agreements, wage classifications, fringe benefits, apprenticeship requirements, and reporting across every solar project.
Generates accurate certified payroll reports for federal, state, and prevailing wage solar projects while reducing manual work and costly rejections.
Maximize eligibility for Inflation Reduction Act (IRA) tax credits and other clean energy incentives by tracking prevailing wage, apprenticeship, and project compliance requirements throughout every solar installation.
Automatically verifies subcontractor insurance coverage and ensures every installer and subcontractor meets compliance requirements.

Payroll Software for Solar Contractors
Get Your Payroll Up and Running in Three Simple Steps
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STEP 1
Connect Your Existing Systems
Integrate with QuickBooks, Sage, Acumatica, NetSuite, and other leading ERP/accounting platforms - no disruption to your current workflows.
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STEP 2
Import Your Workforce & Projects
Import your crew roster, wage classifications, and active project data. Our team handles the setup.
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STEP 3
Run Payroll with Confidence
Process your first payroll with built-in support for prevailing wages, union payroll, certified payroll, and compliance reporting.
Lumber Reviews
Hear from our customers
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OSB Enterprises Brings Real-Time Field Visibility and Payroll Under One Roof with Lumber
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Frequently Asked Questions
Does Lumber help solar contractors comply with IRA prevailing wage and apprenticeship requirements?
Yes. Lumber's solar contractor software tracks prevailing wage rates by classification and county for every laborer and mechanic on covered projects, logs apprentice labor hours as a percentage of total project hours in real time, and maintains the documentation required by Treasury's June 2024 final regulations so your payroll records support the enhanced 30% ITC claim and hold up in an audit.
Can Lumber track apprentice labor hours against the IRA 15% threshold in real time?
Yes. Lumber monitors registered apprentice labor hours as a percentage of total project hours across every active solar project so project managers can see where they stand against the IRA threshold before the project closes and not after a penalty is assessed.
Can Lumber manage IBEW, LiUNA, and IUOE union payroll on the same solar project?
Yes. Lumber tracks fringe contributions, fund remittances, and dues deductions separately for IBEW, LiUNA, and IUOE locals running concurrently on utility-scale solar projects, independent remittance schedules and union-formatted reporting for each trade, with no manual reconciliation.
Can Lumber handle payroll when a solar worker performs electrical and racking tasks in the same shift?
Yes. Lumber supports multiple trade classifications per employee within a single shift — applying the correct IRA prevailing wage rate and fringe calculation to every hour worked in each classification so your wage records are accurate at the task level, not just the project level.
Does Lumber track NABCEP certifications and state electrical contractor licenses for solar crews?
Yes. Lumber monitors NABCEP certification status and state electrical contractor license expiration dates across every jurisdiction your crews operate in — with automated renewal alerts before anything lapses so no installer is dispatched to a project without current credentials.
Does Lumber help with OSHA fall protection and lockout-tagout documentation for rooftop solar installations?
Yes. Lumber's digital forms include OSHA fall protection pre-task plans, lockout-tagout procedure records, arc-flash safety documentation, and OSHA 10/30 training records that crew leads complete from the mobile app — creating a project-level compliance record for every installation task.
Does Lumber handle certified payroll for solar projects on publicly assisted or federally funded contracts?
Yes. Lumber generates certified payroll reports on the updated January 2025 WH-347 form for solar projects subject to Davis-Bacon requirements — including projects funded under federal infrastructure programs, public utility contracts, and government facility installations.
Does Lumber integrate with accounting software like QuickBooks or Sage?
Yes. Lumber connects with QuickBooks, Sage 100, Sage 300 CRE, Sage Intacct, Acumatica, and 20+ other platforms. Labor, fringe, and IRA compliance data flows from the field straight into your books without manual re-entry.
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