Commercial Solar Installation & Power Solutions

National commercial and industrial solar installation services, engineered, permitted, and installed by a single accountable partner, from single facilities to national portfolios.

What we install

Commercial & Industrial Solar Systems We Install

Commercial rooftop solar installations

  • Industrial-scale rooftop and ground-mounted systems

  • Solar + storage systems for demand management

  • Portfolio-wide solar programs for national brands

At FSG, we provide true turnkey solar solutions for commercial customers. Our team handles every stage of your project—including procurement, sales, electrical work, system design, engineering, utility relationships, permitting, installation, and warranty service. But what truly sets us apart is our commitment to long-term partnership: we offer 25 years of system monitoring, ensuring your investment performs optimally year after year.

Commercial solar systems installed by FSG typically reduce annual grid electricity costs by 40% to 90%, depending on system size, roof or land area, local utility rates, and energy consumption profile. Results vary by project; FSG provides site-specific modeling before any commitment.

FSG is a member of the SEIA, a trusted industry resource on solar. Visit SEIA.ORG

Service engineer checking solar cell on the roof for maintenance if there is a damaged part. Engineer worker install solar panel. Clean energy concept.

Our Commercial Solar Installation Process

1

Consultation

Our team will meet with you to evaluate your property and energy profiles to determine the ideal solar design approach.

2

Design and Planning

We develop system design documents, and complete the electrical engineering package required for permitting.

 

3

Permitting & Approvals

We handle permitting, utility coordination, and approvals for commercial solar installations.

4

Installation

Once approved, we efficiently install your solar panel system and solar energy infrastructure while minimizing operational disruptions.

5

System CommisSioning

Each system is fully commissioned and tested to ensure it performs as designed before going live.

6

Monitoring & Support

We provide ongoing monitoring, maintenance, and support to optimize long-term solar performance.

Commercial Solar Installation Capabilities

  • Corporate Offices

    FSG designs extensive solar power systems 100kW or larger for corporate campuses, utilizing rooftops, parking areas, and open land.

  • Commercial Properties

    For retail, industrial and multi-tenant facilities, our solar solutions leverage modular system designs to maximize solar production.

  • Educational Institutions and Healthcare

    FSG also works with institutions that require uninterrupted, emissions-free power like schools, universities and healthcare. Our solar energy solutions allow their operations to run smoothly and efficiently with reliable, sustainable solar energy.

  • Government and Non-Profit

    FSG collaborates with public entities to access grants and comply with requirements for solar projects while maximizing available incentives.

Sunbelt Rentals Chooses FSG for Multi-Site Solar Deployment

Why One of the Nation's Largest Rental Companies Trusted FSG With Their Sustainability Goals

Bradley Chandler, Sustainability Lead at Sunbelt Rentals, shares why his team is deploying solar across multiple locations and what made FSG the right partner to bring their clean energy vision to life.

From reducing operational emissions to building long-term energy resilience, Bradley walks through the strategy behind Sunbelt's commitment to sustainability, the criteria that shaped their solar rollout, and the reasons FSG stood out as the contractor of choice for a project of this scale.

Watch the Full Interview →

"We chose FSG because they bring exactly what a national multi-site rollout requires: a strong footprint across the country, the ability to mobilize quickly, and deep experience executing national programmatic solar projects."

Bradley Chandler, Sustainability — Sunbelt Rentals

Industrial Solar Installation Capabilities

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Industrial-Grade Solar Project Execution

FSG delivers solar installations designed for industrial environments where safety, uptime, and coordination are critical. Our teams are experienced working within active facilities, maintaining operational continuity while meeting strict site, safety, and compliance requirements. Each project is executed with disciplined planning, clear communication, and field-level accountability.

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Scalable Solutions for Complex Facilities

FSG supports rooftop and ground-mounted solar installations across manufacturing plants, warehouses, and distribution centers. We coordinate closely with facility teams, engineers, and utility providers to ensure proper integration with existing infrastructure. Our national footprint and standardized project controls allow us to deliver consistent results across single sites or multi-location portfolios.

Engineering

Engineered, Permitted & Code-Compliant Solar Installations

FSG provides in-house engineering support to ensure solar projects are designed for performance, compliance, and long-term reliability.

Our engineering teams evaluate site conditions, system requirements, and regulatory considerations early in the process to reduce risk and support efficient project execution.

By coordinating closely with project managers, installers, utilities, and local authorities, FSG delivers engineered solutions that integrate seamlessly with existing facilities.

This collaborative approach helps streamline approvals, maintain safety and code compliance, and support predictable outcomes from design through commissioning.

Service engineer checking solar cell on the roof for maintenance if there is a damaged part. Engineer worker install solar panel. Clean energy concept.
Installing solar cells on the building by technicians

Financing Options

Commercial Solar Financing & ROI Planning

Several financing options are available for commercial solar projects:

  • Power Purchase Agreements (PPA): You agree to purchase the electricity generated by a solar system installed on your property at a set price, which is usually lower than the utility rate.
  • Roof lease: You lease your roof space to a solar provider who installs and maintains the solar system, and you benefit from the energy produced at a lower cost.
  • Equipment loans: Similar to traditional loans, where you borrow money to purchase and own the solar system outright.
  • Commercial Property Assessed Clean Energy (CPACE): Financing that allows property owners to finance the upfront cost of energy improvements and pay the costs back over time through a voluntary assessment on their property tax bill.

Tax Credits & Incentives

The federal Investment Tax Credit (ITC) covers 30% of eligible costs for most commercial solar systems. Systems 1 MW or larger must meet prevailing wage and apprenticeship requirements to qualify for the full 30%; otherwise the base rate is 6%.

Financial Modeling

Our interactive scenario models forecast solar investment costs, available tax credits, incentive stacking, and ROI projections based on your facility's energy profile, utility rates, and financing structure.

Content reviewed by FSG's commercial solar project team. For project-specific tax and incentive guidance, consult a licensed CPA or tax attorney familiar with IRS Notice 2023-29 and the IRA clean energy provisions.

Try the Commercial Solar Energy Savings & ROI Calculator

Most businesses evaluate commercial solar the wrong way. They look at the installed cost, run a simple payback calculation, and conclude the timeline is too long. That analysis is incomplete because it ignores the incentive stack that dramatically changes the real economics of the investment.

Why Businesses Choose FSG as Their Commercial Solar Installer

FSG is Powered by 43+ Years of Experience, Accountability, and Trust

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Experience That Drives Results

  • Single-provider accountability from design through installation
  • National self-perform and partner installation capabilities
  • Deep electrical infrastructure expertise beyond solar alone
  • Scalable delivery for multi-site and multi-state projects
  • Commercial safety, compliance, and uptime-first execution

Businesses choose FSG because we combine technical expertise with disciplined execution and a clear focus on long-term performance. Our teams manage complex projects across multiple locations and environments, delivering consistent quality, safety, and reliability at scale.

With integrated services, proactive communication, and accountability at every stage, FSG helps businesses reduce risk, control costs, and maintain dependable operations over time.

Projects

Proven Commercial Solar Installations

Executed with Consistency, Safety, and Scale

Holy Cross High School Solar Installation

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Holy Cross High School in Waterbury, Connecticut, partnered with FSG to install 513 solar panels as part of a modernization of aging campus energy systems. The rooftop system supports the school's long-term sustainability goals while reducing grid dependency and lowering annual utility costs, all installed with minimal disruption to the academic calendar.

 

 

Gilbert School Rooftop Solar Installation

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Gilbert School partnered with FSG to coordinate a rooftop solar installation with a critical roof replacement project. The system, comprising more than 900 panels, is projected to offset approximately $88,000 in annual energy costs, providing a long-term financial return while reducing the school's reliance on grid power.

 

ACC Highland Campus Solar Installation

ACC Highland Campus partnered with FSG to advance its sustainability goals by integrating rooftop solar into its campus infrastructure. Building on the transformation of a former shopping mall into an educational facility, the project helps offset utility costs and is projected to save approximately $20,000 annually while supporting long-term energy efficiency. Learn more >

Get an Accurate Quote for Commercial Solar Installation

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    Frequently Asked Questions

    Have a question? Here are some of the most frequently asked questions of our team. For plain-language definitions of common commercial electrical terms, visit our commercial electrical glossary.