Top Renewable Energy Companies (974)

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

Al Jomaih Energy & Water is a Saudi-based investor, developer, and operator of utility and infrastructure projects, specializing in power generation and water treatment facilities.

Our mission is simple -- to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts. For over 25 years we’ve been pioneering end-to-end, market-driven solutions that deliver reliable, large-scale and cost-effective energy savings and carbon reduction to our utility, government, and private sector clients across North America.

Norconsult is a leading pan-Nordic interdisciplinary consulting firm that combines engineering, architecture, and digital expertise to develop sustainable and efficient solutions for private and public clients.

The Sierra Club is the largest and most influential grassroots environmental organization in the United States. For over 130 years, it has worked to promote clean energy, safeguard community health, protect wildlife, and preserve wild places. Through grassroots activism, public education, lobbying, and legal action, the organization mobilizes millions of members and supporters to defend the right to a healthy...

PurposeEnergy is a US-based renewable fuels and biogas specialist focused on waste solutions for the food and beverage industries, converting organic waste into renewable energy, clean water, and soil amendments.

Xcimer Energy is an inertial fusion company developing scalable, laser-driven fusion power systems to provide abundant, clean, and carbon-free energy. By utilizing novel excimer laser architecture to dramatically reduce costs, the company aims to commercialize laser inertial confinement fusion and deploy the world's first commercial laser fusion power plants to meet global decarbonization goals.

Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer...

Dunsky Energy + Climate Advisors provides research, analysis, and strategic counsel to support clients' clean energy and climate goals, focusing on buildings, mobility, industry, and energy systems to accelerate the transition to clean energy.

Inertia is taking the most direct, scientifically-proven path to commercializing fusion, leveraging the only successful achievement of fusion ignition, using a process that was pioneered at the U.S. Department of Energy’s (DOE) Lawrence Livermore National Laboratory (LLNL). With groundbreaking innovation, transformative technology, and multi-year investment, Inertia is committed to commercializing fusion energy in the next decade.

Sun King designs, distributes, installs, and finances solar energy solutions for consumers who lack reliable access to traditional electrical grids.

Kanadevia Inova is a global greentech leader specializing in Waste to Energy (WtE) and Renewable Gas (RG). It delivers turnkey systems that transform waste into valuable resources through cutting-edge technology, focusing on the energy transition and circular economy to create a future free of wasted waste.

nVent is a leading global provider of electrical connection and protection solutions. We believe our inventive electrical solutions enable safer systems and ensure a more secure world. We design, manufacture, market, install and service high performance products and solutions that connect and protect some of the world's most sensitive equipment, buildings and critical processes. We offer a comprehensive range of...

Solar Gaines is a commercial solar construction company that engineers, procures, and constructs solar systems, specializing in the design and installation of solar panel systems across the Mid-Atlantic region.

Sphere Energy is a Germany-based battery technology and advisory firm specializing in advanced research, testing, and diagnostic services. The company leverages AI-driven simulations and digital twin technology to predict battery performance and aging, streamlining the validation process and accelerating innovation in battery development for sectors such as electric vehicles.

Eku Energy is a specialist, technology-enabled developer dedicated to accelerating the energy transition. We focus exclusively on Battery Energy Storage Systems (BESS), leveraging our combined expertise to create world-class infrastructure investment products. Partnerships are at the core of our approach, founded on trust and respect for long-term collaboration. Safety, security and reliability are integral to our operations, ensuring every project...

TWD is a creative engineering company specializing in designing customized mission equipment and temporary works, offering multidisciplinary services including structural, mechanical, installation, and marine engineering for projects in Oil & Gas, Infrastructure, and Renewables.

Swift Solar is a U.S. company developing advanced solar technology that outperforms anything on the market today. Swift Solar is a spinout of Stanford, MIT, and the National Renewable Energy Laboratory. The team includes world-leading technologists with deep expertise in perovskite PV science, technology, and manufacturing. Swift Solar's technologies range from specialized solar cell architectures to advanced manufacturing techniques.

Engineers Without Borders USA is a nonprofit humanitarian organization that partners with underserved communities worldwide to build a better world. Its mission is to design and implement sustainable engineering projects—such as clean water systems, sustainable energy, and infrastructure—that empower communities to meet their basic human needs while developing the next generation of globally-minded engineering leaders.

Verse is an enterprise SaaS company that helps organizations reduce the cost and emissions of their power. Our software and services help corporate energy buyers evaluate specific clean power goals (e.g., cost, emissions, risk), and develop procurement roadmaps to achieve annual matching, carbon matching, and/or hourly matching. Companies can also improve risk management and optimize operational load and generation portfolios....