Swell Energy Funding, Investors & Competitors

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.

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.

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.

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.

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.

Enphase Energy is a global energy technology company. It delivers smart, easy-to-use solutions that manage solar generation, storage, and communication on one platform. The company's microinverter technology primarily serves the rooftop solar market and produces a fully integrated solar-plus-storage solution. Enphase derives a majority of revenue from the United States.

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.

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.

Enlight Renewable Energy Ltd develops, finances, constructs, owns, and operates utility-scale renewable energy projects. The company’s operating segments are the MENA segment, Europe segment, U.S.A segment, and Others. It generates the majority of its revenue from the Europe segment, which produces its revenue from the sale of the electricity that is produced through wind energy and solar energy in Europe.

Tesla is a vertically integrated battery electric vehicle automaker and developer of real world artificial intelligence software, which includes autonomous driving and humanoid robots. The company has multiple vehicles in its fleet, which include luxury and midsize sedans, crossover SUVs, a light truck, and a semi truck. Tesla also plans to begin selling a sports car and offer a robotaxi service. Global deliveries in 2025 were nearly 1.64 million vehicles. The company sells batteries for stationary storage for residential and commercial properties including utilities and solar panels and solar roofs for energy generation. Tesla also owns a fast-charging network and an auto insurance business.

CATL, headquartered in Ningde, Fujian Province, is a global leading battery manufacturer founded in 2011. The company specializes in the development and production of lithium-ion batteries for EVs and energy storage systems. CATL is the largest EV battery manufacturer in the world and leads the industry in innovative battery technology development for higher-energy density and safety, longer battery service life and super-fast charging. CATL is also involved in the manufacturing of cathode and other related battery materials. Through its subsidiary Brunp, it works with customers to create a closed-loop battery life cycle from production, application, to recycling.

LG Energy Solution is the third-largest battery maker for electric vehicles with about 11% global share in 2024, according to SNE Research. The EV battery segment is the largest revenue contributor, which accounted for more than 60% of total revenue in 2024. LGES also manufactures batteries for mobility, mobile phones, laptops, electrical devices, and energy storage systems. The company was spun off from LG Chem’s battery division in December 2020 and listed on the Korea Exchange in January 2022. It has global manufacturing facilities in Korea, China, Poland, and the United States. Key customers include General Motors, Tesla, Volkswagen, Hyundai, and Stellantis.

SK on is a Seoul-headquartered battery maker producing prismatic and pouch lithium-ion cells for electric vehicles from its Gwangmyeong and Seosan plants. Spun off from SK Innovation in 2021, it supplies packs to Ford Mustang Mach-E and Hyundai Ioniq 5. The company advances 46-series cells with NCM cathodes and partners with Solid Power on solid-state tech. SK on targets 200 GWh capacity by 2025.

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.

Base Power is a residential energy provider offering backup battery systems and fixed-rate electricity plans in Texas. Dallas-headquartered, its home batteries supply up to three days of whole-home power during outages with automatic failover. Plans feature transparent pricing from 9 cents per kWh plus delivery and membership fees, serving deregulated market customers seeking cost predictability.

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.