European Investment Fund (EIF) is a public institution established in 1994 to improve access to finance for Europe's small and medium-sized businesses. It designs and develops venture capital and guarantee instruments to support SMEs and to catalyse private investment, aiming to build a robust European equity ecosystem. EIF engages in venture capital, growth capital, and guarantee operations, backing innovative entrepreneurs primarily in technology and life sciences, as well as across other sectors. Through cornerstone investments and fund participation, EIF seeks to crowd in private investors and stimulate venture activity across Europe. Its equity portfolio has grown substantially, with assets under management exceeding EUR 14 billion, reflecting its broad role in strengthening SME finance and supporting entrepreneurship and growth.

The EBRD is an international financial institution founded in 1990 and headquartered in London that provides project financing and advisory services to support private sector development and transformation in emerging markets. It finances banks, industries, and businesses, supports new ventures and investments in existing companies, and helps privatize and restructure municipal services in publicly owned entities. Through its banking and treasury activities, it offers loans, equity and quasi-equity investments, guarantees, and equity funds for smaller enterprises, along with trade finance and loan syndication. It works with commercial partners to invest in private enterprises across sectors including energy, manufacturing, ICT, infrastructure, agribusiness, and real estate, across Europe, the Middle East and beyond, including a significant footprint in Central and Eastern Europe, the Baltics, and the Caucasus. It provides policy reform dialogue and advisory services to support market modernization, governance, and reform. It has invested over €130 billion in more than 5,000 projects.

Founded in 2010, EIT InnoEnergy is a leading European innovation engine focused on Sustainable Energy. It invests in early-stage climate tech and energy companies across Europe and the US, providing equity minority investments and added value services to de-risk projects.

Established in 2020, the European Innovation Council supports innovative startups and researchers with promising ideas, focusing on early-stage companies with positive environmental, social, or governance impacts. It co-invests alongside private investors.

Copenhagen Infrastructure Partners is a multinational fund management company specializing in investments in energy, renewables, and water infrastructure across Europe, Asia and North America. The firm manages a family of infrastructure funds, including CIP II, CIP III, CIP IV and CIP V, all aimed at long-term, core infrastructure exposures with a focus on renewable energy and related assets. Its team brings extensive experience in regulated infrastructure, project development, and energy projects, with leaders who have held senior roles at DONG Energy. CIP pursues durable, long-horizon investments in assets such as offshore and onshore wind, solar, electricity transmission and energy storage, as well as other clean infrastructure opportunities.

Breakthrough Energy Ventures is an investor-led venture firm based in Kirkland, Washington, affiliated with Breakthrough Energy. It provides patient, minority capital to seed, early, and later-stage companies advancing environmental services, climate technology, and clean energy solutions. The firm aims to fund technologies that deliver reliable, affordable power without increasing climate change and to mobilize investment in transformative energy innovations through collaboration with governments, research institutions, and other investors.

SDIC Innovation Investment Management is the private equity and venture capital arm of State Development & Investment Corp. It makes investments across technology and manufacturing sectors, including mobile internet, internet of things, cloud computing, big data, information technology services, industrial robotics, and intelligent manufacturing. The firm also targets high-end medical equipment, diagnostics, high-value consumables, modern agricultural equipment, ships and marine engineering, new materials, clean energy, energy conservation, and healthcare; for new energy vehicles it focuses on intelligent upstream and downstream supply chains, power batteries and systems, and related technologies. Founded in 2009, the company is based in Beijing with an additional office in Asia. The firm aims to support development and deployment of innovative technologies through private equity and venture capital investments.

SOSV is a global venture capital firm based in Princeton, New Jersey, founded in 1995, that focuses on seed to growth investments in deep technology across health, environmental tech, hardware, robotics, and cross border software, with a particular emphasis on Asia. The company runs accelerator style startup development programs, including HAX and IndieBio, which provide facilities, engineering resources, and lab equipment to help founders accelerate product development, acquire customers, and attract later stage funding. SOSV pursues a limited number of high potential startups, offering extensive hands on support to speed commercialization and scale, and aims to back innovations that improve human and planetary health.

Katapult Group is an Oslo-based accelerator and venture firm founded in 2016 that invests in early-stage technology startups, with a focus on climate and ocean-related initiatives. The company operates Katapult Accelerator, a program that supports startups in environmental, societal, and exponential technologies, and Katapult Ocean, an ocean-focused venture initiative. Together, these platforms aim to steward capital and innovation toward sustainable development, aligning impact with technology and fostering multi-stakeholder collaboration.

Energy Impact Partners is a New York-based private equity and venture capital firm that funds and supports companies enabling the energy transition. It invests globally across venture, growth, credit, and infrastructure to advance energy efficiency, renewable generation, smart grid, energy storage, and related software and services. The firm collaborates with entrepreneurs and industrial partners to scale innovative technologies and business models, pursuing co-investments with strategic allies to accelerate deployment of sustainable energy solutions.

Prelude Ventures is a San Francisco-based venture capital firm founded in 2013 that backs early-stage startups with the potential to mitigate climate change. It focuses on investments across sectors including advanced energy, food and agriculture, transportation and logistics, advanced materials and manufacturing, and computing, supporting the development of category-defining businesses in these areas.

CDP Venture Capital is an Italian venture capital firm founded in 2015 and based in Rome. It invests in startups and growth companies across Italy, spanning sectors such as consumer products and services, information technology, fintech and insur-tech, healthcare and life sciences, software as a service, artificial intelligence and machine learning, virtual reality, big data, advanced manufacturing, energy, education and training, agriculture materials, and other technology-driven areas. By backing early and growth-stage ventures, it aims to support Italy's economic development and the innovation ecosystem.

Octopus Ventures is a London-based venture capital firm that supports start-ups across stages from idea to IPO. It allocates over £200 million annually to invest in sectors including health, fintech, deep tech, consumer, and B2B software, aiming to generate positive impact. The firm provides more than capital, offering time, energy, and hands-on guidance to help portfolio companies scale. Its approach involves close collaboration with founders and leveraging a network of partners in the United States and Asia, with operational presence in London and New York. Notable investments include ManyPets, Cazoo, Depop, Elvie, and WaveOptics. By combining sector focus with active founder support, Octopus Ventures seeks to back ambitious companies that can grow into market leaders.

S2G Investments is a multi-stage investment firm that targets venture and growth-stage companies in food and agriculture, oceans, and energy sectors. It provides capital to businesses shaping the future of food systems and energy resources and supports entrepreneurs and leadership teams with market-driven solutions intended to deliver greater value, improved results, and superior performance relative to conventional options.

Broadscale Group is a venture capital investment firm based in New York, founded in 2012. The company specializes in the energy transition, advanced transportation, and sustainable technologies, collaborating with corporations and strategic partners to invest in and commercialize innovative solutions. Broadscale engages a network of energy and industrial companies to identify strategic investment and partnership opportunities, enhancing their competitiveness in the market. By providing streamlined access to capital, distribution, and demand, Broadscale aims to facilitate the adoption of market-ready innovations in the energy sector and beyond.

LS Power is a developer, owner, operator, and investor in power generation and electric transmission infrastructure across North America. The company focuses on utility-scale projects as well as distributed energy resources and energy efficiency initiatives. It engages in the development, investment, and operation of generation assets including solar, wind, hydro, and natural gas-fired plants, as well as battery storage, and builds and maintains transmission infrastructure to improve grid reliability and lower energy costs.

Ben Franklin Technology Partners of Southeastern Pennsylvania is a non-profit organization founded in 1982 that supports the region's technology ecosystem. Based in Philadelphia, it acts as a capital provider and catalyst for early-stage and growing technology companies across information technology, health, and physical sciences by offering seed-stage funding and related resources to accelerate commercialization. The organization facilitates university–industry partnerships and regional initiatives that connect scientific research with market opportunities, with the aim of creating jobs and strengthening entrepreneurial communities in Southeastern Pennsylvania. Through its programs and partnerships, it supports adoption of new technologies and helps build a robust regional innovation ecosystem.

AENU is an impact venture firm based in Berlin that backs early-stage climate-tech and social impact companies across Europe. It seeks to transform venture capital by prioritizing impact, accessibility, and stakeholder alignment, supporting entrepreneurs addressing climate change and advancing social equality through long-term investments.

Lowercarbon Capital is a venture capital firm founded in 2018 and based in Jackson, Wyoming. It funds research and invests in technologies aimed at reducing carbon dioxide in the atmosphere, with a focus on sectors such as energy, transportation, industrial materials, agriculture, and other climate-related innovations.

NGP Energy Capital Management is a private investment firm focused on energy. Founded in 1988 and based in Irving, Texas, it manages a family of private equity funds and makes direct equity investments across the oil and gas value chain, including production, acquisition, exploration and development drilling, midstream services, energy efficiency, and power technology, as well as related energy businesses. The firm also pursues opportunities in water resources and services, food and agriculture, and coastal protection. It primarily targets North American companies, including the United States, Canada, and parts of the Caribbean and Central America, with typical investment sizes from 2 million up to 500 million dollars. It may co-invest in direct oil and gas property interests alongside portfolio companies and maintains offices in Houston, London, Santa Fe, and Stamford to support a broad geographic reach.

Magnetic is a venture capital firm based in Berlin, Germany, focused on investing in transformative companies and technologies across critical sectors, including information technology and infrastructure. The firm engages with entrepreneurs from the earliest stages of company development through growth financing, actively participating in the design and evolution of businesses. Magnetic aims to foster innovation that promotes user and market autonomy, addressing core limitations and enhancing access to essential goods and services. By partnering with exceptional entrepreneurs, scientists, and technologists, Magnetic contributes to the creation of impactful global businesses that drive systemic change and progress.

Enersense is a Finnish provider of emission-free energy solutions and resource management services. It serves industrial, energy, telecommunications and construction sectors, supporting the transition to an emission-free future through services that cover the project life cycle from design and implementation to maintenance and service. The company offers recruitment and resource management for industrial projects, administrative and consultancy services, project management, occupational safety, quality assurance, information management and subcontracting, as well as the development of digital solutions in mobile, Internet of Things, cloud services and system integration. Enersense operates across Nordic and international markets, with capabilities in wind power, energy metering, charging systems for electrically powered transport, and related design, construction and maintenance activities. Headquartered in Pori, Finland, the company focuses on engineering and operational services to support customers in energy, connectivity and industrial sectors.

360 Capital is a venture capital firm based in Paris and Milan that backs early-stage startups across Europe in deeptech, climate technology and digital sectors. With a 20-year track record, it supports entrepreneurs in developing ambitious, disruptive companies. The firm manages about €400 million in assets and maintains an active portfolio of more than 50 companies.

Global Infrastructure Partners is an independent global infrastructure investment firm founded in 2006 and based in New York. It targets core infrastructure assets across energy, transportation, digital networks, water and waste, seeking long-term value through proprietary deal origination, deep due diligence, strong stakeholder relationships, and dedicated value creation. ESG factors are integrated throughout the investment life cycle to enhance durable returns. The firm manages capital for institutional investors and pursues opportunities across North America and Europe, focusing on infrastructure ownership and operational improvement to improve efficiency and resilience in essential services.

Sustainable Technologies Fund is a private equity and venture capital firm based in Stockholm, Sweden, founded in 2007, with an additional office in Pittsburgh. The firm concentrates on early to growth-stage investments in sustainable and clean technology companies, targeting sectors such as energy efficiency, renewable energy, energy storage, waste management and recycling, sustainable materials and chemicals, water, soil and air purification, biofuels, and related technologies. It focuses on Western Europe, including Nordic markets, and seeks minority stakes with active governance involvement, often taking a seat on the portfolio company board. Typical deal activity centers on investments of a few million euros per company, with portfolio growth supported by strategic oversight and sector expertise.

Infracapital is a leading European infrastructure investor and the infrastructure investment arm of M&G Investments, the UK and European investment management arm of Prudential plc. Established in 2001 and based in London, the firm focuses on acquiring and managing core infrastructure assets across utilities, energy, transportation, and social sectors. Its investments cover utilities such as water and gas networks, metering, and energy traders, as well as renewable generation including wind and solar, and traditional transport assets like ports, airports, toll roads, and bridges. It also targets social infrastructure such as healthcare and educational facilities, government accommodation, and communications infrastructure, with a bias toward greenfield energy projects and a preference for controlling stakes and board representation. The firm operates across the United Kingdom, Continental Europe, and Western Europe, seeking to deploy capital through infrastructure funds and bespoke mandates while pursuing impact elements in its investments.

BP is a global energy company engaged in the full energy value chain, including upstream exploration and production of oil and natural gas, downstream refining and marketing, trading of energy commodities, and shipping services to support distribution worldwide. The company also operates a specialized aviation fuels division, Air BP, serving airports and airlines. In response to evolving energy demand, BP has significantly expanded investments in renewable energy sources such as wind, solar, and biofuels through its Alternative Energy initiatives, aiming to transition toward a lower-carbon portfolio while maintaining core hydrocarbon operations.

VantagePoint Capital Partners is a venture capital firm founded in 1996 and based in San Bruno, California, with an additional office in Beijing. The firm pursues multi-stage investments across software, internet, hardware and energy technologies, with a focus on clean tech, healthcare and information technology. It backs companies globally, often as lead investor, providing capital and strategic guidance to help portfolio companies scale and commercialize transformative technologies, including renewable energy, power storage, grid optimization, water purification and related sectors. The firm emphasizes sustainable and high-impact innovations and typically supports ventures from early stages through growth toward pre-IPO, leveraging global reach and sector expertise to drive growth.

VEI Green operates as an investment vehicle focused on renewable energy. It acquires and manages solar photovoltaic and wind power assets, aiming to deliver steady returns with a lower risk profile.

Inerjys Ventures is a global investment group focused on cleantech and renewable energy technologies, providing growth capital and project finance to help companies commercialize and scale. It targets sectors such as wind, solar, energy storage, smart grids, microgrids, transmission and distribution, water solutions, and advanced energy management, with a preference for cost-efficient technologies and strong business plans. The firm seeks to back companies at early growth stages, including series A and growth capital, and aims to accelerate adoption by integrating portfolio technologies into renewable energy projects it finances, thereby lowering project costs and reducing risk. Investments are global, with typical checks spanning several million to tens of millions of dollars, and the firm emphasizes management teams, proprietary technology, and significant market opportunities. Based in Quebec, Canada, Inerjys Ventures works to overcome barriers to cleantech commercialization and market entry through capital and project collaboration.

Sauer Energy, based in Oxnard, California, designs and manufactures wind turbine systems, with a focus on vertical-axis wind turbines for residential and commercial use as well as remote or offshore applications. The WindCutter line targets compact, roof-mounted or site-installed turbines that can serve homes, small buildings, oil rigs, ships, islands, bridges, and other remote facilities. The company emphasizes affordable pricing, strong performance, and a long warranty and seeks to accelerate renewable energy adoption through ongoing technology development and partnerships, aiming to become a leading global wind energy provider.

Climate Investments is a London-based venture capital firm founded in 2016. It operates as the investment arm of the Oil and Gas Climate Initiative (OGCI), a collaboration of ten major oil and gas companies pursuing the energy transition. The firm targets early- and growth-stage opportunities across a broad range of sectors including energy, technology, transportation, buildings, cement, steel, chemicals, power and agriculture, as well as related industrial fields. Its focus is on funding technologies and business models that reduce greenhouse gas emissions and enable lower-carbon solutions, helping to accelerate decarbonization in the energy system and beyond.

SFC Capital is a United Kingdom-based venture capital firm founded in 2012 that makes early-stage investments in UK startups, including pre-seed and seed rounds. It backs companies across sectors such as software, technology, e-commerce, consumer, enterprise, green tech, medical technology, and hospitality, providing capital plus strategic guidance to support growth and product development. The firm operates a model that combines an angel network with seed funds to back SEIS- and EIS-qualifying businesses, aiming to offer exposure to a diversified portfolio while delivering hands-on support to portfolio companies.

Union Square Ventures is a New York-based venture capital firm that funds technology startups across early, growth, and late stages. It concentrates on internet-native opportunities at the applications layer, internet services, and web services that generate large networks and network effects, with an emphasis on software, fintech, e-commerce, media, mobile, and related sectors. The firm typically makes initial investments around one million dollars, with occasional larger early-stage bets of two to three million, and it aims to deploy as much as twenty million dollars in a single company. Founded in 2003, Union Square Ventures operates globally with investments in companies based in New York, San Francisco, London, Berlin, and elsewhere, seeking scalable businesses that leverage information technology to transform markets and create significant network value.

Industrifonden is a Sweden-based evergreen venture capital firm founded in 1979 that finances early-stage technology and life science companies with international growth potential. It operates primarily in Sweden and the Nordic region, taking minority stakes and providing growth capital through equity, loans, and guarantees while pursuing active portfolio support, including potential board representation. The firm focuses on sectors such as internet and information technology, hardware and software, telecom, Industry 4.0, B2B software, AI and other deep tech, cleantech, and pharmaceuticals or medical technology, as well as industrial growth companies. It maintains a long-term, hands-on approach and aims for exits in five to ten years via sale to an industry player or an initial public offering. Industrifonden is headquartered in Stockholm and has additional offices in Malmö, Linköping, and Gothenburg.

Statkraft Ventures is the corporate venture capital arm of Statkraft, a leading European producer of renewable energy. It invests in early- and growth-stage startups operating in the energy transition, climate tech, and related segments across Europe and North America. Headquartered in Düsseldorf, Germany, with offices in Germany and Norway, Statkraft Ventures provides capital and hands-on expertise to help portfolio companies scale and accelerate the transition to a sustainable future.

EverStream Energy Capital Management is a Minnesota-headquartered asset management and private equity firm that invests in energy infrastructure and renewable energy projects. Founded around 2011–2012, the firm targets late-stage and growth investments across solar, wind, and natural gas infrastructure, including production, storage, and transportation assets and related off-take contracts. It manages funds and pursues project acquisitions in the United States, Latin America, Europe, and Asia, with typical transaction sizes of about $5 million to $20 million and exit horizons of six to twelve years. The firm maintains offices in Wayzata, Minnesota; Madrid; Washington, D.C.; San Francisco; Tokyo; and Miami, reflecting a global footprint focused on expanding sustainable energy infrastructure.

Yunhe Partners is a venture capital firm based in Beijing, China, founded by Zuotao Chen and Calvin Xu. The firm focuses on investments in sectors such as energy efficiency, environmental conservation, new energy, recycling, clean production, and automobile electrification. Additionally, it emphasizes improving life quality and enhancing the efficiency of natural and social resource use through innovative technologies. Yunhe Partners targets companies that exhibit rapid growth or show sustainable cash flow and profitability, aiming to support ventures that align with its commitment to sustainability and technological advancement.

Wind Capital is a European venture capital firm, founded in 2015, that pursues climate-focused, deeptech investments. It supports early-stage startups across sectors including renewable energy, new mobility, circular economy, clean air, sustainable agriculture, sustainable buildings, and water, investing primarily in seed and Series A rounds. As an impact-investing firm, it backs technologies designed to mitigate and adapt to climate change.

Enion Venture Partners is a Barcelona-based venture capital firm focused on impact investing in early-stage technology companies that accelerate the energy transition. The firm backs startups involved in sustainable energy generation, digitalization of the energy system, energy storage, green hydrogen, distributed generation, flexibility, and sustainable mobility, as well as enabling technologies such as artificial intelligence, big data, sensors, the Internet of Things, and blockchain. By supporting ventures across the energy ecosystem, Enion Venture Partners seeks to drive climate action and the adoption of innovative solutions for a more sustainable, resilient energy system.

JKH Capital is a New York-based venture capital firm founded in 2008 that invests in early- to growth-stage companies. It provides venture debt and growth financing solutions and operates across seven countries. The firm supports the development of South America’s renewable energy and information technology sectors, with activities in solar and wind energy as well as hospitality, startups, education, and trading.

PrairieGold Venture Partners is a venture capital firm based in Sioux Falls, South Dakota that focuses on early-stage investments in life sciences, greentech and related sectors, including information technology and alternative energy. The firm targets opportunities in the Midwest and typically funds transactions ranging from about $0.25 million to $2 million, with the ability to participate in larger rounds up to roughly $10 million. PrairieGold commonly seeks a board seat in portfolio companies to guide development and strategic growth.

Blue Vision Capital is a Montreal-based climate tech venture capital firm founded in 2022 by Meir Rabkin and Lylan Masterman. It concentrates on seed-stage investments in innovative startups that address climate challenges and can demonstrate measurable positive impact while targeting venture-scale returns. The firm's focus themes include renewable energy, mobility, agriculture technology, circular economy, and related sectors, with activity in the United States and Canada. By backing early-stage companies that advance clean technology and industrial transformation, Blue Vision Capital seeks to support ventures that offer scalable climate solutions and economic value.

Geoquip Marine is a Swiss offshore geotechnical engineering and drilling company that provides investigation services, equipment leasing, offshore engineering, ship management, and data interpretation and engineering. It operates vessels and drilling rigs, including cone penetration testing and laboratory testing, to support oil and gas, offshore renewable energy, civil infrastructure, and scientific research and exploration projects worldwide. Founded in 2015 and based in St. Gallen, Switzerland, the company serves clients needing seabed and sub-strata data for safe and accurate offshore installations.

Earthrise Capital is a New York-based venture capital firm founded in 2008 that invests in early- and late-stage opportunities in energy and environmental technologies across North America. The firm targets sectors such as wind and solar power, clean fuels, green chemistry, water treatment and purification, energy storage, power conditioning and quality, and energy efficiency. It backs technologies in lower-carbon energy sources, materials efficiency, sensors and instrumentation, and related advanced materials, with a regional focus on the Northeast and Mid-Atlantic United States.

Wind Ventures is the corporate venture capital arm of Empresas COPEC, focusing on startups and scaleups in the energy, mobility, and retail sectors. Founded in 2019 and headquartered in San Francisco, it makes global investments with a preference for Latin America, leveraging COPEC's resources to accelerate growth. The firm targets ventures building next generation energy, mobility, and retail companies and seeks to develop a strategic portfolio that enhances COPEC's ability to explore and realize new growth opportunities in its ecosystems.

C2 Capital Partners is a growth investment firm based in Lisbon, Portugal, established in 2009. It invests primarily in assets within the ESG and clean energy sectors, including solar, wind, batteries, recycling, biofuel processing, and biomass conversion, as well as other commercial and industrial facilities, with a focus on diversification, stable distribution, inflation hedging, and volatility mitigation. The firm operates as a subsidiary of Gaw Capital Partners.

VC Fuel is a venture capital firm that invests in and partners with companies delivering products, services, and infrastructure that accelerate the transition to a decarbonized world.

Enerdigm Ventures is a Palo Alto, California-based investment firm founded in 2007 that engages in venture capital and project finance. In venture capital, it backs late seed to early Series A rounds in technology companies, with a focus on energy technologies, industrial technology, and software such as Cloud, Mobile and Big Data; it operates in the United States with emphasis on Silicon Valley and Hawaii and avoids investments in China and India. It typically invests between $0.5 million and $1 million per round, often aiming to lead and co-invest with others, taking board or observer roles. In project finance, it funds energy-related infrastructure and clean energy projects, including lighting retrofits, HVAC upgrades, and solar and wind energy initiatives. The firm seeks opportunities with market potential over $50 million and takes a hands-on approach to supporting portfolio companies.

F&G Venture is a venture capital firm established in September 2012 by a former rotating CEO of Huawei and a partner of Fidelity Asia. It focuses on investments in companies experiencing exponential growth in information technology sectors, including IT infrastructure, cloud computing, Internet of Things, SaaS, big data, microchips, and semiconductors, and also targets high-end manufacturing businesses such as modules, intelligent devices and equipment, robots, and drones.