Solar Installers in the United States are becoming central to the country’s energy transition as homeowners, businesses, schools, factories, farms, utilities, and data centers look for cleaner and more predictable power. Solar installation now covers far more than rooftop panels. The market includes residential solar systems, commercial rooftop arrays, community solar, utility-scale solar farms, battery storage, EV charging integration, operations and maintenance, financing, monitoring, and long-term energy management.
The U.S. solar market remains large but uneven. SEIA reported that the U.S. installed 7.8 GWdc of solar capacity in Q1 2026, down 27% from Q1 2025, while residential solar installed 1,179 MWdc and rose 6% year over year. Earlier, Reuters reported that U.S. solar installations jumped 49% in Q3 2025, largely driven by utility-scale projects.
This guide profiles leading Solar Installers in the United States, including residential companies, commercial solar providers, and utility-scale EPC contractors. It also explains industry trends, buyer risks, pricing considerations, and how to choose the right solar partner.
Industry Overview: Solar Installers in the United States
The U.S. solar installation industry includes residential installers, commercial EPC contractors, utility-scale builders, community solar developers, battery storage integrators, solar financiers, maintenance firms, and local electricians with solar certification.
Residential installers serve homeowners with rooftop systems, batteries, monitoring, financing, warranties, and service plans. Commercial installers work with businesses, schools, nonprofits, warehouses, farms, churches, and municipal facilities. Utility-scale EPC firms build large solar farms for developers, independent power producers, utilities, and investors.
Solar Power World’s 2025 Top Solar Contractors list ranks companies by their influence in the U.S. solar industry based on 2024 installations. The market is shaped by tax credits, net metering rules, interconnection timelines, module supply, battery pricing, local permitting, interest rates, and utility policies.
Ranking Methodology
This directory evaluates solar installers based on market reputation, public ranking visibility, residential or commercial relevance, utility-scale capability, service range, geographic reach, storage expertise, financing options, customer support, project portfolio, and buyer usefulness.
Because solar installation includes residential rooftop systems, commercial projects, and utility-scale EPC work, this list includes companies from multiple segments.
Best Solar Installers in the United States
Sunrun
Overview
Sunrun is one of the best-known residential solar installers in the United States. The company focuses on rooftop solar, battery storage, monitoring, financing, and home energy services. It is especially relevant for homeowners who want solar-as-a-service options, leases, power purchase agreements, or battery-backed systems.
Services Offered
Residential solar installation, battery storage, solar leasing, power purchase agreements, system monitoring, maintenance, and home energy solutions.
Industries Served
Homeowners, residential communities, and home energy customers.
Notable Projects
Not publicly listed here.
Competitive Advantages
Sunrun’s advantage is residential scale, financing experience, and battery-storage integration.
Headquarters
San Francisco, California.
Website
sunrun.com
Why It Stands Out
Sunrun stands out for residential solar, battery storage, monitoring, and flexible ownership or leasing models.
Tesla Energy
Overview
Tesla Energy is a major solar and battery storage provider known for rooftop solar, Solar Roof, Powerwall batteries, and energy management software. Tesla is especially relevant for homeowners who want solar and storage connected to a broader electric vehicle and home-energy ecosystem.
Services Offered
Residential solar panels, Solar Roof, Powerwall battery storage, energy monitoring, EV charging integration, and home energy management.
Industries Served
Homeowners, EV owners, residential property owners, and energy-storage customers.
Notable Projects
Not publicly listed here.
Competitive Advantages
Tesla’s advantage is brand strength, battery technology, EV integration, and app-based energy monitoring.
Headquarters
Austin, Texas.
Website
tesla.com/energy
Why It Stands Out
Tesla stands out for residential solar-plus-storage, Powerwall integration, and energy technology branding.
Palmetto
Overview
Palmetto is a residential solar company focused on making solar easier for homeowners through installation partnerships, financing, monitoring, and customer support. Forbes listed Palmetto Solar among its best solar companies for 2026, naming it best for availability.
Services Offered
Residential solar installation, system design, financing, monitoring, maintenance, battery options, and customer support.
Industries Served
Homeowners and residential solar buyers.
Notable Projects
Not publicly listed here.
Competitive Advantages
Palmetto’s advantage is a digital-first customer experience and broad residential market availability.
Headquarters
Charleston, South Carolina.
Website
palmetto.com
Why It Stands Out
Palmetto stands out for residential solar access, financing support, and homeowner-focused service.
Freedom Forever
Overview
Freedom Forever is a major residential solar installer operating in many U.S. markets. It is often considered by homeowners comparing large national residential solar providers, and EnergySage lists Freedom Forever among major solar companies to consider.
Services Offered
Residential solar installation, solar financing, system design, monitoring, battery storage options, and warranty support.
Industries Served
Homeowners and residential solar customers.
Notable Projects
Not publicly listed here.
Competitive Advantages
Its advantage is broad residential installation coverage and production-focused solar sales and installation capacity.
Headquarters
Temecula, California.
Website
freedomforever.com
Why It Stands Out
Freedom Forever stands out for residential solar installation scale and multi-state market reach.
Blue Raven Solar
Overview
Blue Raven Solar is a residential solar installer known for homeowner-focused rooftop systems and financing options. Forbes named Blue Raven Solar best for value in its 2026 best solar company list.
Services Offered
Residential solar system design, rooftop installation, financing support, monitoring, and customer service.
Industries Served
Homeowners and residential solar buyers.
Notable Projects
Not publicly listed here.
Competitive Advantages
Its advantage is residential affordability positioning and a simplified homeowner sales process.
Headquarters
Orem, Utah.
Website
blueravensolar.com
Why It Stands Out
Blue Raven Solar stands out for residential solar value, homeowner financing, and straightforward system installation.
Trinity Solar
Overview
Trinity Solar is a long-running residential solar installer serving several U.S. states, especially in the Northeast and Mid-Atlantic. EnergySage lists Trinity Solar among major companies residential customers may consider.
Services Offered
Residential solar installation, system design, battery storage options, financing, monitoring, and service support.
Industries Served
Homeowners and residential communities.
Notable Projects
Not publicly listed here.
Competitive Advantages
Trinity’s advantage is regional experience and a long operating history in residential solar.
Headquarters
Wall Township, New Jersey.
Website
trinity-solar.com
Why It Stands Out
Trinity Solar stands out for residential solar in Northeast and Mid-Atlantic markets.
SOLV Energy
Overview
SOLV Energy is one of the leading utility-scale solar EPC and operations companies in the United States. It is especially relevant for developers, utilities, and independent power producers building large solar farms and battery energy storage projects.
Services Offered
Utility-scale solar EPC, battery storage, operations and maintenance, project engineering, procurement, construction, commissioning, and asset services.
Industries Served
Renewable energy developers, utilities, independent power producers, investors, and infrastructure owners.
Notable Projects
SOLV Energy works on large-scale solar and storage projects across the United States.
Competitive Advantages
Its advantage is utility-scale execution, long-term operations expertise, and solar-plus-storage capability.
Headquarters
San Diego, California.
Website
solvenergy.com
Why It Stands Out
SOLV Energy stands out for utility-scale solar EPC, battery storage, and operations and maintenance.
Primoris Renewable Energy
Overview
Primoris Renewable Energy is a major utility-scale solar and energy infrastructure contractor. It is part of Primoris Services Corporation, a large specialty contractor serving energy, utilities, renewables, industrial, and infrastructure markets.
Services Offered
Utility-scale solar EPC, battery storage construction, civil work, electrical installation, substations, renewable energy infrastructure, and project delivery.
Industries Served
Solar developers, utilities, power producers, infrastructure investors, and energy companies.
Notable Projects
Not publicly listed here.
Competitive Advantages
Its advantage is large-project construction capacity across energy, civil, and utility infrastructure.
Headquarters
Dallas, Texas.
Website
prim.com
Why It Stands Out
Primoris stands out for utility-scale solar construction, storage, civil work, and energy infrastructure.
Moss
Overview
Moss is a major construction company with strong utility-scale solar EPC capability. Solar Power World’s 2025 contractor materials identify the Top Solar Contractors list as a ranking of companies active in U.S. solar installation, with utility EPC firms occupying major positions.
Services Offered
Utility-scale solar EPC, project management, civil construction, electrical work, procurement, commissioning, and renewable energy construction.
Industries Served
Solar developers, utilities, independent power producers, investors, and renewable energy owners.
Notable Projects
Moss has delivered major solar projects across U.S. utility-scale markets.
Competitive Advantages
Its advantage is construction management depth and utility-scale solar execution.
Headquarters
Fort Lauderdale, Florida.
Website
mosscm.com
Why It Stands Out
Moss stands out for large utility-scale solar EPC projects and renewable energy construction.
Mortenson
Overview
Mortenson is a major U.S. builder with strong renewable energy, solar, wind, storage, and infrastructure capabilities. Mortenson reported that it ranked No. 8 on Solar Power World’s 2025 Top Solar Contractors list and installed more than 2 GW of solar capacity in 2024.
Services Offered
Utility-scale solar construction, energy storage, renewable energy EPC, electrical infrastructure, civil construction, project management, and commissioning.
Industries Served
Renewable energy developers, utilities, public agencies, commercial energy buyers, and infrastructure owners.
Notable Projects
Mortenson has delivered large renewable energy and solar projects across the United States.
Competitive Advantages
Its advantage is large-scale renewable energy construction and project delivery discipline.
Headquarters
Minneapolis, Minnesota.
Website
mortenson.com
Why It Stands Out
Mortenson stands out for utility-scale solar, storage, wind, and renewable energy construction.
Industry Trends Affecting Solar Installers
Solar-Plus-Storage
Battery storage is becoming more important for homeowners, businesses, and utilities. Storage helps manage outages, time-of-use rates, backup power, and grid flexibility.
Utility-Scale Growth
Large solar farms remain a major driver of U.S. solar capacity. Utility-scale projects benefit from economies of scale but face permitting, interconnection, supply-chain, and policy risks.
Residential Solar Pressure
Residential solar demand varies sharply by state. Net metering changes, interest rates, financing terms, and customer-acquisition costs can affect installer performance.
Domestic Manufacturing
U.S. solar supply chains are shifting as companies respond to tariffs, tax credits, domestic content rules, and module sourcing requirements.
Interconnection Delays
Solar projects can face long utility interconnection queues. This is especially important for commercial, community, and utility-scale projects.
Smarter Energy Management
Solar installers increasingly offer monitoring, batteries, EV charging, smart panels, demand response, and home energy software rather than panels alone.
Buyer’s Guide: How to Choose Solar Installers
Match the Installer to the Project Type
A homeowner needs a different provider than a warehouse, school, farm, factory, community solar project, or utility-scale solar farm.
Compare Ownership Models
Ask whether the company offers cash purchase, loan, lease, or power purchase agreement options. The cheapest monthly payment is not always the best long-term value.
Check Licensing and Certifications
Solar installation involves electrical work, roofing, structural mounting, permitting, and utility interconnection. Confirm state licensing, insurance, and relevant certifications.
Review Equipment Quality
Compare panel brands, inverter brands, batteries, monitoring systems, warranties, racking, and roof attachments.
Study Production Guarantees
Ask how the installer estimates annual production, what happens if the system underperforms, and how shading, roof direction, weather, and degradation are handled.
Watch for Red Flags
Red flags include high-pressure sales, vague savings claims, unclear financing, no local license, weak warranty terms, poor reviews, and refusal to explain interconnection timelines.
Why Solar Installers Matter in the United States
Solar installers help reduce electricity costs, expand clean-energy access, improve energy resilience, support local jobs, and reduce dependence on fossil-fuel generation. Their work also supports grid modernization, battery adoption, EV charging, and commercial energy planning.
For homeowners, a good solar installer can improve long-term savings and backup power options. For businesses, solar can reduce operating costs and support sustainability targets. For utilities and developers, large solar projects add power capacity at scale.
As the United States manages rising electricity demand, solar installers will remain important to energy affordability, resilience, and clean power development.
Conclusion
The leading Solar Installers in the United States include Sunrun, Tesla Energy, Palmetto, Freedom Forever, Blue Raven Solar, Trinity Solar, SOLV Energy, Primoris Renewable Energy, Moss, and Mortenson. Sunrun, Tesla, Palmetto, Freedom Forever, Blue Raven, and Trinity are especially relevant for residential solar buyers. SOLV Energy, Primoris, Moss, and Mortenson are stronger fits for utility-scale solar, storage, and large renewable energy projects.
For buyers, the best solar installer is the one with the right license, local utility experience, equipment quality, financing transparency, warranty support, storage knowledge, and proven project track record.
Frequently Asked Questions
What are the best Solar Installers in the United States?
Some of the best-known Solar Installers in the United States include Sunrun, Tesla Energy, Palmetto, Freedom Forever, Blue Raven Solar, Trinity Solar, SOLV Energy, Primoris Renewable Energy, Moss, and Mortenson. The best choice depends on whether the project is residential rooftop solar, commercial solar, community solar, battery storage, or utility-scale solar.
Who is the largest residential solar installer in the United States?
Sunrun is widely recognized as one of the largest residential solar installers in the United States. It focuses on home solar, batteries, monitoring, leases, power purchase agreements, and residential energy services.
What does a solar installer do?
A solar installer designs, permits, installs, connects, and services solar energy systems. Work may include site assessment, roof inspection, electrical design, panel installation, inverter setup, battery integration, utility interconnection, monitoring, maintenance, and warranty support.
How do I choose a solar installer?
Choose a solar installer based on licensing, local experience, equipment quality, financing transparency, warranty terms, customer reviews, interconnection knowledge, and service support. Ask for a clear production estimate, itemized proposal, roof plan, equipment list, and savings assumptions.
How much does solar installation cost in the United States?
Solar costs vary by state, system size, equipment, roof type, battery choice, permitting, labor, utility rules, and financing. A small residential system costs far less than a commercial rooftop or utility-scale solar farm. Buyers should compare total installed cost, not just monthly payments.
Are solar panels worth it in the United States?
Solar can be worth it when electricity rates are high, roof conditions are good, incentives are available, and the system is properly sized. Savings depend on local utility rates, net metering, tax credits, financing, shade, roof direction, and household energy use.
What is the difference between a solar installer and solar EPC?
A solar installer usually handles residential or commercial installation. A solar EPC firm provides engineering, procurement, and construction, often for large commercial or utility-scale projects. EPC work includes design, supply chain, civil work, electrical systems, commissioning, and project management.
Should I add a battery to my solar system?
A battery can be useful if you want backup power, time-of-use savings, outage protection, or more control over solar energy. Batteries add cost, so the decision depends on outage risk, utility rates, incentives, and your energy goals.
What are warning signs of a bad solar installer?
Warning signs include high-pressure sales, unrealistic savings claims, vague financing, poor reviews, no license, unclear warranties, cheap equipment with weak support, and no explanation of roof condition or utility interconnection.
Why are solar installers important?
Solar installers help homes, businesses, and utilities produce cleaner electricity. They support energy savings, battery adoption, grid resilience, local jobs, and long-term clean-energy development in the United States.
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