Sunfire Funding, Investors & Competitors

First Solar designs and manufactures solar photovoltaic panels, modules, and systems for use in utility-scale development projects. The company's solar modules use cadmium telluride to convert sunlight into electricity. This is commonly called thin-film technology. First Solar is the world’s largest thin-film solar module manufacturer. It has production lines in Vietnam, Malaysia, the United States, and India.

Jinko Solar is the largest Chinese solar module manufacturer by global shipment in 2024. Jinko's products are distributed across nearly 200 countries and regions. The company operates a vertically integrated production process, spanning from solar wafer and cell manufacturing to module production. Jinko's N-type cell capacity is industry-leading in scale.

1Komma5° is a Berlin-headquartered ClimateTech company delivering integrated energy solutions at 80 sites in seven markets including Germany, Austria, and the US. It installs photovoltaics systems up to 10 kWp, battery storage with 15 kWh capacity, heat pumps for heating, and EV charging stations bundled into subscription models for residential and commercial properties.

Nextpower (and its subsidiaries) is a leading provider of intelligent, integrated solar tracker and software solutions used in utility-scale and distributed generation solar projects around the world. Nextpower's products enable solar panels in utility-scale power plants to follow the sun’s movement across the sky and optimize plant performance. Nextpower has operations in the United States, Mexico, Spain and other countries in Europe, India, Australia, the Middle East, Africa, and Brazil.

LONGi Green Energy Technology is one of the largest integrated solar company in the world. It produced 106 gigawatts of solar silicon wafers and 70 GW of solar modules in 2024. Solar silicon wafer and solar module contributed 10% and 80% of revenue in 2024, respectively. LONGi’s products are sold in more than 150 countries and regions.

Northvolt was a Swedish battery manufacturer founded in 2015 to build the world's greenest, sustainably sourced lithium-ion batteries. Powered entirely by renewable energy (wind and hydro), Northvolt aimed to produce batteries with the lowest carbon footprint globally. Backed by heavyweights like Volkswagen and Goldman Sachs, it aimed to supply European automakers. However, facing severe scaling challenges and massive debt, the company filed for bankruptcy in 2024–2025.

SFCC is a Shenzhen-based high-tech enterprise pioneering hydrogen fuel cell vehicle commercialization. Founded on April 8, 2016, in Guangdong province, the company conducts research, develops power systems, and industrializes core technologies for buses and commercial fleets in China.

Radiant is a Seattle-headquartered company that engineers the Kaleidos microreactor, a truck-transportable nuclear fission system generating one megawatt of continuous power for off-grid locations, military bases, and disaster response. Designed to eliminate diesel generator reliance, the reactor achieves full power in under 24 hours and operates for 40 years without refueling. Radiant partners with the U.S. Department of Defense through a $10 million contract and collaborates with the Tennessee Valley Authority on demonstrations. Founded in 2019, the firm advances advanced nuclear technology across North America.

Climeworks is a Zurich-based direct air capture company operating modular plants like Orca and Mammoth in Iceland. The technology extracts CO2 from ambient air for permanent underground storage via mineralization with Carbfix, serving corporate net-zero commitments under Puro.earth certification standards.

Electric Hydrogen is a Natick-headquartered producer of electrolyzers for green hydrogen generation. The company develops single-stack systems delivering 20 tons per day at under $2 per kilogram, targeting ammonia, steel, and refining sectors. Electric Hydrogen raised $380 million in 2023, with pilots at Chevron facilities and partnerships for gigawatt-scale deployments.

GE Vernova is a global leader in the electric power industry, with products and services that generate, transfer, convert, and store electricity. The company has three business segments: power, wind, and electrification. Power includes gas, nuclear, hydroelectric, and steam technologies, providing dispatchable power. The wind segment includes wind generation technologies, including onshore and offshore wind turbines and blades. Electrification includes grid solutions, power conversion, electrification software, and solar and storage solutions technologies required for the transmission, distribution, conversion, and storage of electricity from the point of generation to the point of consumption.

Vestas is a leading manufacturer of wind turbines with the highest installed capacity under service in the world. The firm operates two business segments: power solutions and services. The power solutions segment designs, manufactures, and installs onshore and offshore wind turbines. The services segment performs operating and maintenance service work on wind turbines.

Nordex SE is a German company that develops, manufactures, services, and markets wind power systems. The company manages its activities via Projects and Service segments. The projects segment includes all activities associated with the development, production, assembly and commissioning of wind turbines and project development business. The services segment encompasses services and projects for existing turbines after their handover to customers. In particular, this includes technical services such as maintenance and remote monitoring of wind farms as well as repair and technical enhancements for existing turbines. The majority of the sales are done through the projects segment.

Goldwind Science & Technology Co Ltd manufactures, and markets wind turbines & other solutions. It has four segments. The wind turbine generator manufacturing & sale segment engages in research & development, manufacture & sale of wind turbine generators & spare parts; the wind power services segment provides wind power construction, post-warranty service & asset management services; the wind farm development segment engages in the development of wind farms, which includes wind power generation service provided by the Group’s wind farms & its sales; & the others segment mainly engages in the operation of water treatment plants under the service concession arrangements. Its key revenue is from Wind turbine generator manufacturing & sales. Geographically, the key revenue is from China.

Bloom Energy designs, manufactures, sells, and installs solid oxide fuel cell systems for on-site power generation. Bloom Energy Servers are fuel-flexible and can use natural gas, biogas, and hydrogen to create 24/7 electricity for stationary applications. Bloom sells its systems in the United States and internationally.

Adani New Industries is a wholly-owned subsidiary of Adani Enterprises headquartered in Ahmedabad that manufactures solar photovoltaic modules, wind turbine generators, green hydrogen electrolysers, and energy storage systems. Established in 2023, it operates a 4 GW solar module facility in Mundra alongside plans for 5 GW annual wind turbine production and a 2.5 GW electrolyser plant by 2026. The company supports India's green energy transition by producing high-efficiency N-type TOPCon solar cells and integrates backward into polysilicon and ingots. Its Khavda mega-factory aims for 10 GW integrated solar manufacturing capacity.

Vistra Corp. is one of the largest power producers and retail energy providers in the USA. It owns 44 gigawatts of generation capacity, including natural gas (27 GW), nuclear (6.5 GW), coal (8.7 GW), and solar and battery storage (1.4 GW). The Cogentrix acquisition will add 5.5 GW of gas generation. Vistra's retail electricity business serves 5 million customers in 20 states, including almost a third of all Texas electricity consumers. Vistra emerged from the Energy Future Holdings bankruptcy as a stand-alone entity in 2016.

Hyosung Heavy Industries Co Ltd provides technology solutions in the field of heavy electric power and develops industrial machinery. The company is involved in various construction projects such as housing, redevelopment and reconstruction. The company also offers welding solutions, gear solutions, and system and engineering solutions.