GreenIT Funding, Investors & Competitors

Vistra Corp. is one of the largest power producers and retail energy providers in the US. 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 (1.3 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.

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.

SKIO Matrix is a Beijing-based clean energy firm specializing in electric vehicle customization, urban mobility networks, and mobile power grids. The company manufactures power batteries and operates China's largest electric vehicle service network. SKIO Matrix extends into network management and nationwide deployments for urban transportation upgrades.

Iberdrola is one of the largest utilities in the world with electric utility operations in nearly 40 countries. The company has a 57-gigawatt portfolio of hydro, wind, natural gas, and nuclear power plants. It is one of the largest owners of wind farms in the world, representing about 40% of its portfolio. Although the company has recently developed or acquired distribution and power generation assets in other geographic areas, Spain is still home to more than half of its power generation capacity. Iberdrola also owns and operates electricity and distribution networks in Spain, the UK, Brazil, and the US.

China Yangtze Power Co Ltd business activities include hydroelectric power generation, power distribution and sales, overseas power station's operation, management, consultation services, investment, and financing. It has also established its power distribution and sales platforms such as Three Gorges Water Conservancy and Peru LuzdelSur. The company owns the power generation assets of four hydropower plants on the mainstream of the Yangtze River, namely Three Gorges, Gezhouba, Xiluodu, and Xiangjiaba.

Huaneng Lancang River Hydropower Inc is engaged in the development and operation of the Lancang River and the surrounding areas of hydropower resources. The company is also engaged in the exploration of solar photovoltaic, wind power, shale gas, and other new energy construction.

Danish company Orsted was named Dong Energy until the sale of all its oil and gas fields to Ineos in 2017, soon after the May 2016 initial public offering. Orsted is now focused on renewable assets, especially offshore wind farms. It operated 9.9 gigawatts of offshore wind farms at the end of 2024. The United Kingdom is the biggest country of operation, ahead of Germany and Denmark. The group intends to develop its footprint outside Europe with projects in Taiwan and in the US. Orsted also operates 4.8 GW of onshore wind and solar assets concentrated in the United States. The company is involved in more traditional utilities business like conventional power plants and gas supply, but these activities are noncore.

Gulf Development Public Company Limited, trading as GULF and formerly Gulf Energy Development, is a Bangkok-based Thai energy and infrastructure holding company founded on 19 August 2011 by Sarath Ratanavadi, bringing together the power generation businesses of Gulf Electric and Gulf Holdings. It has been listed on the Stock Exchange of Thailand since a 2017 IPO that raised about THB 24 billion. Its energy arm runs gas-fired, solar and wind plants in Thailand and abroad, with domestic and international capacity above 23 GW in 2025, while infrastructure covers ports, LNG terminals and motorways and the digital arm includes cloud computing and the Gulf Binance crypto exchange venture. The company merged with its subsidiary Intouch Holdings with effect from 1 April 2025, took the name Gulf Development, and now directly holds about 40% of Advanced Info Service and 40% of Thaicom. For 2025 it reported core profit of THB 28.8 billion, up 33.4%, and net profit of THB 86.6 billion including a one-off merger gain of THB 56.1 billion. It plans about THB 100 billion of investment over five years, 60-70% of it in clean energy.

EDP is a vertically integrated utility company and is the largest generator, supplier, and distributor of electricity in Portugal. In addition to Portugal, EDP has sizable operations in Spain, Brazil, and the US. EDP owns 71% of EDP Renovaveis, the fourth-largest wind power owner/operator in the world. EDP delisted Energias do Brasil in August 2023 after buying out the 46% minorities.

Uniper SE is a Germany-based energy generation and energy trading company. The firm operates through three segments: Flexible Generation, Greener commodities, and Green Generation. The Green Generation segment comprises emission-free power generation plants that the Uniper Group operates in Europe. The Flexible Generation segment comprises the power and heat generation plants that the Uniper Group operates in Europe to flexibly meet grid operators' requirements. The Greener Commodities segment bundles the energy trading and optimization activities and forms the commercial interface between the Uniper Group and the globally traded markets for energy and the major customers. The majority of revenue is derived from the Greener Commodities segment.

SDIC Power Holdings Co Ltd is engaged in investment and construction, management of energy projects based on electric power generation, development and operation of renewable energy projects, high technology and eco-friendly industries, development and operation of the products associated with electric power, as well as consultancy. The company mainly operates its businesses in the domestic and overseas markets.

Constellation Energy Corp producer of carbon-free energy and a supplier of energy products and services. The company offers generating capacity that includes nuclear, wind, solar, natural gas, and hydroelectric assets. It sells electricity, natural gas, and other energy-related products and sustainable solutions to various types of customers, including distribution utilities, municipalities, cooperatives, and commercial, industrial, public sector, and residential customers in markets across multiple geographic regions. Its operating segments and reporting units are Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions.

Founded in 1947 through a nationalization act, Verbund is the leading power producer in Austria. The Austrian state owns 51% of its capital. Hydro accounts for more than 90% of the total power output. Hydro power is generated from reservoirs and pumped storage plants in the Austrian Alps, and run-of-river plants in Austria and southern Germany. Total hydro capacity amounts to 8.4 GW. Verbund also owns the Austrian electricity grid through its fully owned subsidiary AP. In 2021, the firm acquired 51% of Gas Connect Austria, a gas transmission and distribution system operator. The group also owns one CCGT and is involved in trading and development of wind and solar capacity.

Huadian New Energy Group Corp Ltd is engaged in Development, investment and operation of new energy projects, mainly wind power generation and solar power generation.

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.

Axia Energia is engaged in the generation, transmission, and commercialization of electricity in Brazil. The company operates a portfolio of wind, thermal, hydro, and nuclear power plants located throughout the country.

Helion Energy is an Everett, Washington-headquartered fusion energy company founded in 2013, advancing toward the first fusion power plant for clean electricity production. It has demonstrated prototypes like Trenta and develops the Polaris project for net electricity generation using magneto-inertial fusion. Helion secures a power purchase agreement with Microsoft for delivery of 50 megawatts of fusion power.

Eni Plenitude is a Milan-headquartered energy retailer operating in 10 European countries, generating electricity from 6 GW of renewable capacity including solar farms in Italy and Spain. The company manages 7 million charging points for electric vehicles across highways and urban areas, alongside retail sales of gas and power to residential and business customers.