UTILITY INTERCONNECTION
Powering the future of renewable energy in Illinois.
We design and deliver high-performance utility interconnections that reduce energy costs and provide dependable clean power for generations.
Partnering For the Next Generation of Clean Power.
Since 2017, Legacy Solar has strengthened renewable energy projects through early partnership, practical insight, and proven execution.
We work alongside EPC firms from the start—optimizing constructability, improving system performance, and developing cost-effective installation packages. Legacy provides full turnkey installation scope for your entire solar project, delivering complete build-out with a team that executes efficiently and safely. Whether acting as your installation partner or stepping in as GC, we ensure every project is delivered with quality, value, and reliability.
Pre-design Budget Pricing
We evaluate project requirements early to deliver accurate, installation-driven budgets.
Design/Engineering Support
We collaborate with your EPC team to refine designs for smoother, more cost-efficient builds.
Construction + Installation
We deliver high-quality installations with precision, safety, and dependable field execution.
Commissioning + Testing
We support final installation deliverables to ensure systems are installed correctly and ready for turnover.
THE UNION ADVANTAGE
Legacy Solar is built, led, and supported by Illinois union trades who believe in quality, safety, and craftsmanship. Our IBEW electricians and IUOE operators bring field-tested expertise while ensuring prevailing-wage compliance, strong safety practices, and the high installation standards unions are known for.
PERFORMANCE YOU CAN COUNT ON
Because our workforce is union, we deliver predictable schedules, consistent workmanship, and safer job sites. Our partnership with the trades provides the skill depth and scalable manpower needed to keep complex solar projects on track—from early groundwork through final energization with proven reliability throughout.
Medium voltage expertise to keep projects moving.
Medium voltage work is highly specialized, and Legacy Solar is one of the few Illinois contractors with a fully in-house MV team—delivering better quality, smoother coordination, and faster energization.
- Underground: trenching, conduit, duct banks, pulls
- Terminations: certified IBEW work
- Switchgear: wiring, grounding, relays
- Testing: utility verification
- Coordination: docs, inspections, energization
- Pole Installation: setting, bracing, and placement
PROJECT FOOTPRINT
Union-Built Projects Across Illinois
From northern communities to downstate farmland, our union crews have completed solar installations of all sizes across Illinois. Each location on the map represents the craftsmanship, safety, and reliability our IBEW and IUOE teams bring to every job.
Let’s Get Started.
Connect with our team to evaluate and determine the right solar and MV solutions for your project.
