Top Solar Energy Companies (250)
McNaughton-McKay Electric Company is a 100% employee-owned wholesale electrical distributor specializing in products and solutions for the industrial automation, commercial, and construction markets. Founded in 1910, the company operates over 60 locations across nine U.S. states and Germany. They focus on delivering high-tech industrial solutions, solar energy products, and electrical supplies to help businesses optimize performance, growth, and profitability.
Active Surfaces is a climate-tech company commercializing ultra-lightweight, flexible solar modules based on MIT research. Its patented thin-film technology enables solar installations on rooftops, walls, curved surfaces, and other locations traditional panels cannot easily reach. By combining advanced materials science and manufacturing, the company aims to reduce installation costs, expand built-environment solar deployment, and generate clean power where it is...
Invenergy is a leading global privately-held developer and operator of sustainable energy solutions. We are headquartered in the Chicago and have 2000+ employees across the Americas, Europe and Asia. We have successfully developed over 175 projects, including wind, solar, and natural gas power generation as well as advanced energy storage facilities. We are innovators at heart — we design, build and...
Invenergy's Top Stability & Growth Strengths
Strong Market Position & Advantage: Market presence is characterized as North America’s largest privately held IPP with 225+ projects (~38 GW developed, 25+ GW operated) and flagship assets like the 1,310‑MW Samson Solar, with league tables and industry rundowns placing the company in the top cohort. Leadership in transmission via the multi‑state Grain Belt Express further underscores a first‑tier position among privately held developers.
Investor Backing & Capital Strength: Institutional support is underscored by Blackstone Infrastructure’s multi‑billion‑dollar equity injections since 2022–2023, reinforcing capacity to execute at scale. Additional large financings, such as $1.1 billion for three utility‑scale solar projects, signal access to capital for continued buildout.
Market Expansion: Growth vectors include the Grain Belt Express HVDC line advancing with all state siting approvals and a return to “in‑progress” federal review in January 2026. New demand verticals tied to data‑center load—such as collaborations with NVIDIA/Emerald AI and sizable corporate offtakes—broaden avenues for expansion.
Facility Innovations Group is a provider of all-inclusive energy solutions for commercial and industrial facilities. It helps customers pursue decarbonization, sustainability, and energy-efficiency goals through customized project development and implementation. Its work includes solar and other distributed generation, microgrids with batteries and generators, energy-efficiency measures such as MEP, lighting, and building automation, plus carbon-reduction strategies designed to reduce operating costs...
Silfab Solar is the North American leader in the design, development and manufacture of high-efficiency, premium quality PV modules. Silfab leverages more than 40 years of solar experience and best-in-class technologies to produce the highest- rated solar modules. Silfab operates state-of-the-art facilities in the state of Washington and Toronto, Canada and will soon be manufacturing solar cells and PV modules...
Moss is a national, privately held construction firm that provides design/build, general construction, and construction management services for commercial, residential, and institutional projects, with a strong focus on renewable energy.
Sunworks, Inc. (NASDAQ: SUNW) is a premier provider of high performance solar power systems. We are committed to quality business practices that exceed industry standards and uphold our ideals of ethics and safety. Sunworks continues to grow its presence, expanding nationally with regional and local offices. We strive to consistently deliver high quality, performance oriented solutions for customers in a...
Sunrun is a leading provider of residential solar panels and home batteries in the United States. Our company's primary mission is to make solar energy affordable and accessible for homeowners. By offering solar as a service, Sunrun allows customers to switch to solar without the upfront costs of purchasing a system. Homeowners can either lease or purchase their solar panel...
Evergreen Enterprises is an India-based contracting and services company founded in 2010. It specializes in borewell and mining drilling works and provides services for construction, infrastructure, hydropower projects, tunnels, dams, and solar power plants. The company also supplies construction equipment and operates from its head office in Erode, with facilities in Tamil Nadu and ISO 9001:2015 certification.
Gurr Brothers Construction LLC is a family-owned, nationwide reconstruction company specializing in fire and water damage restoration. With over 10 years of experience, they provide full-service general contracting for both residential and commercial properties, including professional home renovation, remodeling, and interior design. Their mission is to help property owners recover stronger after disasters through ethical conduct and high-quality, rapid-response results.
KOSTAL Group is a global, independent, family-owned company based in Germany that develops and manufactures technologically complex electronic and mechatronic products.
KOSTAL Group's Top Stability & Growth Strengths
Strong Market Position & Advantage: The company is seen as a market leader in several automotive niches, including steering column modules, shift-by-wire modules, and door control units, with sustained placement among the top 100 global automotive suppliers. Feedback suggests strong positioning also extends to e-mobility power electronics and photovoltaic inverters.
Market Expansion: The organization is actively opening and expanding facilities in multiple countries—such as Morocco, Mexico, Poland, and North Macedonia—indicating a deliberate increase in global manufacturing capacity. Financing initiatives, including a €50 million IFC loan, support continued international expansion.
Investor Backing & Capital Strength: Access to substantial development financing and consistent annual R&D investment near €200 million indicate solid capital support for growth initiatives. Feedback suggests the group maintains the resources to fund expansions and strategic acquisitions like Compleo Charging Solutions.
MN8 Energy is a U.S. independent power producer that develops, owns, and operates renewable power and battery-storage infrastructure. It provides utility-scale solar, storage, and electrification solutions to enterprise customers, utilities, and government agencies, supporting reliable power and decarbonization goals. Its work spans the energy-project lifecycle, including development, construction, operations and maintenance, and asset management, with infrastructure across more than 30...
Team Sunshine Construction LLC is a premier solar installation company based in Massachusetts, serving the Northeastern United States. Founded in 2019, the company specializes in innovative and cost-effective solar energy solutions, roofing, and heat pumps. As a results-driven and AI-savvy construction firm, they are dedicated to helping homeowners transition from fossil fuels to renewable energy while emphasizing quality, sustainability, and...
SunEnergy1 is a vertically integrated solar developer and EPC company that controls all stages of solar projects in-house, from land acquisition and permitting to design and commissioning. Based in North Carolina, the company has a strong track record of delivering large-scale projects, having built over 50 utility-scale installations and developed over 5,000 MW in PJM, establishing themselves as leaders in...
Brightcore Energy is a leading renewable energy solutions provider specializing in turn-key decarbonization for commercial, institutional, and government clients. The company leverages leading-edge technology to deliver high-efficiency geothermal heating and cooling systems, commercial and community solar development, and comprehensive energy efficiency solutions, all aimed at reducing reliance on fossil fuels and improving building performance through a science-led approach.
Calpak is a Greek manufacturer of solar-thermal products and integrated hot-water systems. Its range includes solar water heaters, thermosiphonic systems, solar collectors, and hot-water tanks. The company develops solar technology for household and larger-scale applications, including integrated systems serving hotels, and emphasizes efficiency, durability, quality, and design. Its mission is to make solar energy sustainable and accessible while providing abundant...
Founded in 1996, Kinematics is a global leader in precision motion control solutions, specializing in the design and manufacture of slew drives, slew rings, and actuation technology. With a strong focus on renewable energy, the company provides critical engineered systems, sensors, gears, and controllers that maximize the efficiency of solar installations and other mission-critical systems in demanding environments worldwide.
Ciel & Terre develops and deploys floating photovoltaic (FPV) solutions for solar power projects worldwide. The company designs patented floating structures and related products, provides end-to-end technical and project support, and adapts systems to different water-body configurations. Its mission is to expand reliable renewable energy generation while preserving land, supported by research and development, engineering expertise, and smart services for...
Community Housing Opportunities Corporation (CHOC) is a California nonprofit affordable-housing developer and Community Housing Development Organization. Founded in 1984, it develops and manages multifamily communities for very low-, low-, and moderate-income households, while providing integrated resident services, property management, construction, energy-efficiency, solar, and related support. Its mission is to create safe, stable, equitable communities where individuals and families can thrive.
Headline Solar is the fastest-growing solar company in Illinois and Texas. Our goal is to help people save money on electricity, become resilient from the utility, and create a positive environmental impact. Founded in late 2018, our HQ is in Hoffman Estates, IL, and serves all of Illinois and all of Texas. We are a solar panel sales, service, and...

































