5 Solar EPC Firms Worth Knowing in the US

Kenneth Meechai
Written by
Kenneth Meechai
Last edited: Oct 24, 2026

Choosing a solar EPC partner can make or break your project. Here are five firms worth knowing in the US market.

The Solar EPC Landscape in the US

The US solar EPC market is booming, driven by falling costs and rising demand for clean energy. You'll find firms ranging from local installers to national players, each with different strengths. Understanding the landscape helps you pick the right partner for your project.

How We Evaluated These Firms

We looked at service scope, experience, project portfolio, and customer support. Each firm stood out in different ways. Incetekh Energy impressed with its 13+ years and 500+ projects, plus a 5-year warranty. GreenSpark Solar showed strong community solar expertise. Pope Energy offered regional focus in the Northeast. Standard Solar brought large-scale project experience. Mortenson demonstrated broad construction capabilities.

Here's a quick look at the five firms we're highlighting.

ProviderBest For
GreenSpark SolarCommunity solar projects
Incetekh Energy | Solar Engineering & EPCResidential and commercial solar with ongoing support
Pope EnergyNortheast US solar projects
Standard SolarLarge-scale commercial and community solar
MortensonUtility-scale solar construction

Deep Dive: The Five Firms

#1 GreenSpark Solar

Screenshot of GreenSpark Solar website A screenshot of the GreenSpark Solar website.

GreenSpark Solar is a mission-driven renewable energy company established in 2002. They deliver turnkey EPC services for distributed generation and utility-scale solar projects. With over 350 MW installed across the Northeast, Midwest, and Mid-Atlantic, they have a strong track record. Their focus on community solar has earned them recognition as a top EPC in the nation. You can learn more about their EPC services on their website.

#2 Incetekh Energy | Solar Engineering & EPC

Screenshot of Incetekh Energy | Solar Engineering & EPC website A screenshot of the Incetekh Energy website.

Incetekh Energy brings over 13 years of experience and 500+ completed projects to the table. They offer a full suite of solar products, including panels, inverters, and water heaters. As an NREDCAP-approved vendor and approved for IOCL, BPCL, and HPCL petrol pumps, they have strong credentials. Their 5-year warranty and ongoing system care ensure peace of mind. You can book a free site visit to discuss your project.

#3 Pope Energy

Screenshot of Pope Energy website A screenshot of the Pope Energy website.

Pope Energy provides end-to-end solar EPC services from their Boston headquarters. They serve Massachusetts, Rhode Island, New York, Vermont, Connecticut, and New Hampshire. Their team handles engineering, procurement, and construction, ensuring projects are completed on time. They also offer financing options like CPACE and solar PPAs. Their regional expertise makes them a solid choice for Northeast projects.

#4 Standard Solar

Screenshot of Standard Solar website A screenshot of the Standard Solar website.

Standard Solar is a nationally recognized leader with over 500 MW of commercial and community solar projects. They offer development, funding, ownership, and operation services. Their integrated approach leverages in-house engineering and O&M practices. They work with EPCs, installers, developers, and landowners across more than 20 states. Their extensive portfolio demonstrates their capability to handle large-scale projects.

#5 Mortenson

Screenshot of Mortenson website A screenshot of the Mortenson website.

Mortenson is a full-service construction company with a dedicated solar energy division. They provide capital project planning, engineering, procurement, and construction services. With locations across the US, they serve a wide range of industries including solar. Their expertise in complex projects and commitment to safety set them apart. They are a strong partner for utility-scale solar farms.

How to Choose the Right Solar EPC Partner

Start by defining your project scope and budget. Then look for firms with relevant experience and a strong track record. Check their warranties and ongoing support offerings. Consider local presence if you need quick service. Finally, request proposals and compare them carefully.

Automating Your Solar Project Workflow

Once you've selected an EPC, streamline your project with digital tools. Use project management software to track milestones and communicate with your contractor. Automate monitoring of your solar system to catch issues early. Set up alerts for maintenance needs. This keeps your system performing at its best.

Final Thoughts

The right solar EPC partner can make your transition to clean energy smooth and cost-effective. Whether you need a local installer or a national firm, the five companies here offer diverse strengths. Evaluate them based on your specific needs and project goals. With careful selection, you'll be on your way to a successful solar installation.

Kenneth Meechai

About the Author

A writer and marketer for over a decade, Kenneth Meechai loves digging deep to find hidden gems on the web. When he's not online, he's usually walking his dogs.