Air Company 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.

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.

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.

Solugen is a biomanufacturing company producing specialty chemicals from plant sugars via precision fermentation. Houston-headquartered with a facility in Marshall, Texas, it supplies hydrogen peroxide precursors and surfactants to Procter & Gamble. The process replaces petrochemical routes with engineered enzymes and catalysts for carbon-negative output. Solugen addresses applications in personal care, cleaning products, and water treatment.

NextChem is a Milan-headquartered engineering subsidiary of Maire Tecnimont focused on green chemistry and sustainable processes. The division designs plants for hydrogen production, methanol synthesis from CO2, and waste-to-chemicals conversion. Active in energy transition projects across Europe and the Middle East, NextChem deploys technologies for decarbonization and circular economy initiatives.

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.

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.

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.

Enilive is a Rome-headquartered subsidiary of Eni focused on sustainable mobility services. The company delivers integrated low-carbon solutions including biomethane production facilities, car-sharing fleets, and refueling stations for alternative fuels. Enilive operates across Italy with a network supporting electric vehicle charging and hydrogen infrastructure, advancing decarbonization in transportation through public-private partnerships.

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.

Cepsa is a Spanish integrated energy group that refines crude oil, sells fuels through its own service-station network and manufactures petrochemicals including phenol, acetone and linear alkylbenzene. Refining is concentrated in Andalusia, at Huelva and San Roque, and the group also holds upstream oil and gas interests outside Spain. More recent capital spending has shifted toward renewable hydrogen, biofuels and electric-vehicle charging, and the group adopted the Moeve brand in 2024. Abu Dhabi's Mubadala has been the controlling shareholder since 2011.

Octopus Energy is a British energy supplier and technology group founded in 2015 that retails electricity and gas, invests in and manages renewable generation, and licenses software to other utilities. It has more than eight million retail customers worldwide, almost seven million of them in the United Kingdom, and became the largest UK electricity supplier after acquiring Shell Energy's retail arm in December 2023. Its Kraken platform, contracted to more than 50 million customer accounts, is licensed to third-party utilities, and its asset management arm runs over 400 wind and solar generators.

Kraken is a London-headquartered customer engagement platform for energy, water, and broadband providers across Europe and North America. Its technology stack includes billing, CRM, self-service portals, and smart metering analytics to streamline operations. Kraken serves utilities like Octopus Energy and OVO, enabling net-zero transitions through demand response and EV charging management. The platform processes millions of customer interactions monthly, supporting regulatory compliance in deregulated markets.

Round-the-Clock is a renewable energy initiative that integrates various power sources for uninterrupted supply.

Redwood Materials is a Sparks-headquartered battery recycling company founded in 2017 that recovers over 95 percent of critical materials like lithium, nickel, and cobalt from end-of-life electric vehicle batteries and manufacturing scrap. Operating a closed-loop facility in Nevada, it supplies refined metals to battery producers such as Panasonic and Ford while deploying second-life energy storage systems. The company processes thousands of tons monthly, reducing reliance on virgin mining.

Fuse Energy is a UK-licensed electricity supplier sourcing power from its portfolio of solar farms and onshore wind assets. Headquartered in London, it offers fixed-rate tariffs to residential customers with near real-time usage tracking via web and mobile apps, alongside integrations for smart meters and EV chargers.

Farasis Energy is a global lithium-ion battery manufacturer producing power systems for electric vehicles, energy storage grids, and commercial applications. The company operates production facilities in China and the United States with partnerships including BMW for automotive battery supplies. Farasis Energy supplies high-energy-density cells addressing transportation electrification and renewable grid integration needs.

Indigo is a Boston-headquartered agricultural technology company enhancing crop sustainability and yields through microbial seed treatments. The firm develops products like carbon farming programs and grain contracts for farmers in the US Corn Belt and beyond. Indigo markets microbiome-based inoculants to reduce fertilizer use and improve soil health on millions of acres.