European Bank for Reconstruction and Development finances projects and provides advisory services to the public and private sectors. It supports new ventures and expansion in existing companies through project financing, loans, and equity or quasi-equity investments, including equity funds and guarantees, and it partners with private entities to invest across sectors such as banking, energy, manufacturing, infrastructure, information technology, and services. The bank also helps publicly owned entities privatize and restructure municipal services and engages in policy reform dialogue and advisory services, along with trade finance and loan syndication. Founded in 1990 and headquartered in London, it operates across regions including Southeastern and Central Europe, the Baltic States, Eastern Europe and the Caucasus, Central Asia, and parts of the Middle East and Africa, aiming to foster market-oriented change and private sector development by mobilizing capital for sustainable investments. It has invested more than €130 billion in over 5,200 projects.

Energy Impact Partners is a New York-based private investment firm focused on the energy transition. It backs entrepreneurs and established energy and industrial companies across venture, growth, credit and infrastructure, with an emphasis on energy efficiency, clean energy generation, smart grids, energy storage, distributed generation, and related digital and data-enabled services. The firm collaborates with partners to accelerate innovation in smart buildings, mobility, cybersecurity for energy systems, and comprehensive energy services, often pursuing co-investments. Since its founding in 2015, Energy Impact Partners has built a global footprint with offices in New York, San Francisco, Palm Beach, Cologne and London, enabling investments across North America and Europe. It seeks to align investments with environmental impact and scalable infrastructure, supporting the transition to sustainable energy and resilient energy systems.

Breakthrough Energy Ventures is an investor-led venture capital firm based in Kirkland, Washington, focused on climate and energy technology. It makes minority investments across seed, early, and later stages in companies delivering environmental services, climate technology, and cleantech solutions. The firm seeks scalable technologies that provide reliable, affordable power while reducing greenhouse gas emissions and supports innovations that address energy access, infrastructure, and transportation needs. Its mission emphasizes patient, impact-oriented investing to accelerate the transition to low-emission energy systems.

Congruent Ventures is a venture capital firm founded in 2017 and based in the San Francisco Bay Area. It specializes in early-stage investments in climate technology and sustainable development across North America, with a focus on mobility and urbanization, energy transition, food and agriculture, and sustainable production and consumption. The firm seeks technology companies that improve energy and resource efficiency and partners with teams capable of scaling hardware, software, or services. Its portfolio spans sectors such as transportation, consumer products, industrials, IT software, and related climate tech areas, reflecting a commitment to backing ventures that deliver measurable environmental impact.

National Grid Partners (NGP) is the investment arm of National Grid, focusing on investing in and developing innovative technologies and business models in the energy sector. With a mission to drive the future of energy, NGP seeks out opportunities to collaborate with startups and entrepreneurs to transform the industry and create sustainable solutions for a cleaner, more efficient energy system. By leveraging their expertise and resources, NGP aims to support and accelerate the growth of innovative companies that are shaping the future of energy.

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.

Founded in 2020, Future Energy Ventures is a venture capital firm headquartered in Essen, Germany. It invests globally in early-stage startups focusing on digital and digitally enabled technologies within the energy sector.

BP Ventures is a venture capital firm established in 2007, investing in private technology companies to accelerate innovation across the energy sector. With over $400 million invested across more than 40 entities and over 200 co-investors, BP Ventures focuses on Oil & Gas Value Chain, Low Carbon Technologies & Fuels, and Energy Usage & Trading, delivering near-term business value while backing breakthrough innovations for a sustainable future.

EDP Ventures is the corporate venture arm of EDP Energias de Portugal. It targets seed, series A and early-stage startups operating in energy-related sectors, including energy efficiency, energy storage, smart grids, electric mobility, and information technology. The firm invests across regions, typically providing €0.5 million to €5 million in early-stage rounds. Based in Lisbon, Portugal, EDP Ventures maintains an additional office in Sao Paulo, Brazil. By backing high-potential startups, it seeks to accelerate innovation and adoption of clean energy and digital technologies within the broader energy ecosystem.

Clean Energy Ventures is a venture capital firm focused on seed and early-stage investments in climate technology and advanced energy innovations. The firm targets technologies and business model innovations that address climate change and greenhouse gas emissions, with emphasis on energy storage, grid connectivity, renewable energy production, clean transportation, and the water-energy nexus. It seeks scalable solutions ready for commercial deployment and supports them with capital and guidance to accelerate growth. Headquartered in Boston, Massachusetts, Clean Energy Ventures is the venture capital arm of Clean Energy Venture Group and concentrates its activity in the United States and Canada, drawing on the group’s network and operational experience to help portfolio companies scale.

Shell Ventures is the strategic investment arm of Shell, focusing on identifying and adopting innovative technologies to enhance commercial advantage. It invests in promising tech companies, joint ventures, and venture capital funds across sectors such as power, mobility, emission management, digital, and resources.

Convective Capital is a venture capital firm founded in 2022 and based in San Francisco, California, that invests in technology companies focused on preventing and mitigating wildfire-related impacts.

SET Ventures is an Amsterdam-based venture capital firm founded in 2007 that invests in European energy and renewable sector companies across early to growth stages. It backs digital technology-enabled solutions aimed at carbon-free energy systems, including energy generation, distribution and storage, energy efficiency, and smart energy applications in buildings, industry, mobility, and infrastructure. The firm targets investments in technology-enabled clean energy and sustainability initiatives, often with a focus on smart grid, energy storage, and EV/green building applications, and seeks to support portfolio companies with strategic guidance, including board participation. Typical check sizes range from approximately €0.5 million to €6 million per company over the life of participation. SET Ventures concentrates on Europe and prioritizes companies that combine software and hardware components to create scalable energy solutions.

Lowercarbon Capital is a venture capital firm founded in 2018 and based in Jackson, Wyoming, that funds research and invests in companies developing technologies to reduce CO2 emissions and advance decarbonization, with a focus on energy, transportation, industrial materials, and agriculture.

SOSV is a global venture capital firm that supports early-stage startups through active, founder-first development programs. Its flagship initiatives HAX and IndieBio provide facilities, engineering resources, services, and laboratory equipment to accelerate product development and prepare companies for subsequent funding rounds. SOSV focuses on deep technology across health, environmental, and cross-border software sectors, aiming to solve human and planetary health challenges. In addition to providing capital, the firm emphasizes intensive programmatic support to help portfolio companies move quickly from seed toward growth, including customer acquisition and scale. The firm operates globally with a bias toward startups targeting rapid international expansion, especially in Asia, and tends to back a small cohort of high-potential companies to accelerate their progress and attract leading investors.

Founded in 2014, Gaingels is a venture investment syndicate dedicated to supporting the LGBT+ community. It invests globally in companies led by LGBT+ founders or C-suite executives at all stages of growth, focusing on inclusivity and positive social change.

Chevron Technology Ventures is the corporate venture capital arm of Chevron Corporation, focused on scouting, funding, testing, validating, and integrating emerging technologies into Chevron's core businesses. Founded in 1999 and based in Houston, with a presence in California, it identifies early-stage companies across the United States and pursues opportunities in areas such as industrial decarbonization, emerging mobility, energy decentralization, circular economy, water management, advanced materials, hydrogen infrastructure, sensors, and related digital technologies. The team collaborates with startups to develop and commercialize technologies that can enhance Chevron's operations, reduce costs, and improve performance, acting as an innovation partner that helps Chevron adopt new capabilities while aligning with the company's strategy.

Established in 2015, Evergy Ventures is the venture capital arm of Evergy. It focuses on investing in growth-stage and early-stage companies within the energy sector, with a particular interest in customer energy solutions, energy infrastructure industries, renewables services, and related areas. The firm prefers to invest using equity and debt instruments, primarily in North American companies.

Founded in Singapore in 2017, Antler is an early-stage venture capital firm that invests globally. It focuses on backing exceptional founders from day one, offering a global community network of co-founders, talent, advisors, expansion support, and capital across various sectors such as technology, healthcare, finance, consumer goods, and more.

Founded in 2013, Powerhouse is an innovation firm that supports seed-stage startups developing software to accelerate decarbonization in global energy and mobility systems. It offers a 6-month program, investing $50,000 to $250,000 for equity stakes.

Prelude Ventures is a San Francisco-based venture capital firm established in 2013, dedicated to investing in early-stage startups that aim to address climate change. The firm focuses on sectors such as advanced energy, food and agriculture, transportation, logistics, advanced materials, manufacturing, and advanced computing. By supporting innovative businesses in these areas, Prelude Ventures seeks to foster the development of the next generation of companies that can significantly impact environmental sustainability and contribute to a more sustainable future.

Energize Capital is a venture capital firm based in Chicago, Illinois, founded in 2016. The firm specializes in early and growth-stage investments in technology companies, with a focus on enhancing the affordability, reliability, and security of energy and industrial sectors. Energize Capital primarily targets investments in areas such as data analytics, cybersecurity, energy storage, distributed energy resources, mobility, and operational efficiency. The firm seeks to make impact investments in sectors including renewable energy, industrial operations, electrification, infrastructure resilience, and decarbonization. It typically invests between $3 million to $20 million per company, aiming to support innovations that contribute to energy-related advancements and sustainability.

Founded in 2018, Climate Capital is a venture capital firm based in San Francisco. It invests in companies that directly or indirectly reduce global greenhouse gas emissions across sectors such as energy, transportation, and agriculture.

Adara Ventures is a Madrid-based venture capital firm focused on early-stage technology companies across Europe. It backs deep-technology startups in cybersecurity, data and applications, infrastructure, DevOps, hardware components, digital health, and the energy transition, partnering with founders to accelerate growth. With a European footprint, the firm maintains a diversified portfolio across markets such as Spain, Portugal, France, Ireland and the United Kingdom, and supports teams from initial rounds through scale-up by providing capital and strategic guidance. Founded in 2005, Adara seeks ambitious teams with capacity, courage and vision to execute and commercialize innovative technologies.

Founded in 2019, MCJ is a venture capital firm based in Boston, Massachusetts. The company focuses on investing in technology startups that drive industrial transformation and infrastructure resilience, aiming to make industries cleaner, more profitable, and more resilient.

GAIA Impact Fund is a venture capital firm that specializes in renewable energy, focusing on building long-term partnerships with startups in Sub-Saharan Africa and South-East Asia. With a strong environmental and social focus, the firm supports businesses that provide sustainable and affordable energy to local communities. GAIA Impact Fund also works to promote technological innovations and business models that facilitate the widespread adoption of renewable energy in regions where energy mixes are highly carbonized.

Kima Ventures is a Paris-based venture capital firm that funds seed and early-stage technology startups globally, with a strong focus on Europe and France. The firm typically participates in rounds from seed to Series A, often as a lead investor, and aims to be a significant minority shareholder while co-investing with angels and other funds. It supports portfolio companies with a network of founders and experts to accelerate growth, speed fundraising, and help teams scale. Kima emphasizes rapid decision-making and founder-aligned support, viewing fundraising as one step in a broader journey. Founded in 2010, the company is headquartered in Paris and maintains an office in London, reflecting its European reach and global activity, and it has backed hundreds of startups across multiple countries.

SFC Capital is a United Kingdom based venture capital firm founded in 2012 that focuses on early-stage investments, including pre-seed and seed rounds, in sectors such as software, technology, e-commerce, consumer products, enterprise solutions, green technology, medical technology, and hospitality. It backs UK startups through an Angel Network and seed funds, providing capital and guidance and offering access to SEIS- and EIS-qualifying investment opportunities. The firm is described as a leading seed investor in the UK.

Founded in Tokyo in 1998, Global Brain is a venture capital firm focusing on seed to late-stage investments across various sectors globally. They have invested in over 300 startups, facilitating 25 IPOs and 61 M&As through hands-on support services.

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.

Established in 2001, The Icehouse is a not-for-profit organization based in Auckland, New Zealand. It supports small and medium-sized enterprise owners and entrepreneurs by providing growth assistance. Backed by the New Zealand government, it focuses on helping Kiwi founders build global companies.

Blackbird Ventures is a venture capital firm based in Sydney, Australia, that provides seed-to-late-stage funding to startups across Australia and New Zealand. The firm invests in technology-driven companies spanning software, hardware, space, healthcare, consumer products, autonomous robotics, artificial intelligence, infrastructure, clean energy, and quantum technology, supporting them from early idea stages through growth.

Founded in 2017, Activate Capital Partners is a venture capital firm based in Philadelphia and San Francisco. It specializes in growth capital investments in emerging markets, focusing on technology-driven solutions across energy, transportation, and industrial sectors. The firm invests between $10 million to $30 million per transaction, preferring board positions and both minority and control stakes.

ClearSky is a Florida-based venture capital firm that provides growth capital and growth equity to innovative technology companies. Founded in 2012, it focuses on early-stage and later-stage investments across the United States, with a portfolio spanning clean tech, energy, business services, digital transformation for enterprise customers, and cybersecurity, industrial security, and critical infrastructure security. The firm emphasizes technologies driving energy transition and climate-related solutions, as well as sustainability and disruptive security technologies. ClearSky operates from its base in Palm Beach, Florida, with offices in New York, Boston, and San Francisco.

Galvanize Climate Solutions is a company that provides capital and partnerships to develop and scale critical climate solutions.

Gigascale Capital, established in 2023 and headquartered in Palo Alto, California, is a venture capital firm focused on investing in early-stage companies that operate in the climate tech sector. The firm, led by experienced tech founders and climate veterans Mike Schroepfer, Victoria Beasley, and Evaline Tsai, backs companies from Pre-Seed to Series A, supporting their growth and embracing scientific and technical challenges. Gigascale Capital's areas of interest include decarbonizing food & agriculture, industry, energy, transportation, materials, and the built environment, with the goal of making clean options more accessible and affordable.

Founded in 2011, DCVC is a venture capital firm based in Palo Alto, California. The firm invests in early-stage companies utilizing deep tech to solve complex problems across sectors such as artificial intelligence, exascale computing, climate, engineering, materials science, robotics, space, water, biology, defense, and security.

Blink Charging specializes in providing electric vehicle (EV) charging solutions, offering residential and commercial EV chargers along with networked services. As of late 2019, it operated approximately 14,800 charging stations across various locations nationwide.

Munich Re Ventures is the venture capital arm of Munich Re, a leading global reinsurance and risk solutions provider. It is an early-stage investor that is stage-agnostic with a preference for Series A and B and growth capital, investing in startups developing technologies at the intersection of risk and business models. The firm targets areas such as insurtech, climate tech, cybersecurity and privacy, health tech, and built world, as well as digital health and mobility, seeking to back companies that transform risk transfer and risk management. It works closely with Munich Re Group businesses worldwide to fund and partner with emerging companies, guided by strategic objectives of the parent company and the broader insurance industry, and it manages over a billion dollars in assets.

Established in 2015, Vestel Ventures is the corporate venture capital arm of Vestel Group. Based in Istanbul, Turkey, it invests in early-stage companies operating across various sectors including healthcare, AI, retail, cybersecurity, smart city solutions, biotech, IoT, consumer electronics, and energy.

GE Equity invests globally across various sectors, focusing on established companies with high growth potential. It takes minority ownership positions and offers growth capital, buy-out co-investments, secondary direct purchases, recapitalizations, and LP investments.

Virescent Ventures is a Melbourne-based venture capital investment firm established in 2022, specializing in cleantech innovation. The firm focuses on investing across a range of stages, from pre-seed to late-stage growth capital, and emphasizes deep tech, business model innovations, as well as software and hardware solutions. Through its investments, Virescent Ventures aims to support the development of sustainable technologies and promote advancements in the cleantech sector.

Founded in Berlin, Germany in 2020, Vireo Ventures is a venture capital firm focusing on seed and pre-seed stage investments. It supports European tech startups driving electrification and digitalization, taking a long-term view and providing extensive support to its portfolio companies.

Founded in 2019, Zero Carbon Capital is a venture capital firm based in Hampshire, UK. It invests in pre-seed and seed-stage climate tech companies across the UK and Europe, focusing on scientific and hardware innovations that aim to reduce emissions by at least 0.5 gigatons of CO2e per year by 2050.

Enerdigm Ventures, LLC is a venture capital firm established in 2007 and based in Palo Alto, California. The firm specializes in late seed and early stage investments, primarily focusing on technology sectors such as energy technologies, infrastructure software, cloud data, and the Internet of Things. Enerdigm typically invests between $0.5 million and $1 million, with a preference for companies that have a market value exceeding $50 million at the time of investment. The firm engages in project finance, providing debt and equity financing for infrastructure projects across the United States, including energy conservation measures and clean energy initiatives. Enerdigm aims to partner with national and regional Energy Services Companies and technology manufacturers, often acting as a lead investor while collaborating with other investors. The firm seeks to invest in projects sized between $1 million and $10 million and values community benefit aspects in its investments. Enerdigm generally exits its investments within five years.

Rubio Impact Ventures is an Amsterdam-based venture capital firm focused on impact-driven investments in the Netherlands. Founded in 2014, it targets early and growth-stage opportunities across sectors including healthcare, information technology, artificial intelligence, energy, financial services, education technology, food technology, climate technology, agriculture technology, and both consumer and business-to-business models. The firm typically makes equity investments between €0.5 million and €8 million and emphasizes ventures that deliver measurable social and environmental benefits, such as improvements in nutrition, education and employment opportunities, and sustainable development within Dutch markets.

The Massachusetts Green Energy Fund is a private venture capital fund that focuses on investing in renewable and green energy companies based in Massachusetts. It targets a diverse array of emerging power generation technologies, such as photovoltaics, fuel cells, hydrogen storage and generation, wind, wave, tidal, biomass, biodiesel, and various energy management and storage solutions. The Fund operates in response to a growing demand for clean energy technologies driven by the need for stable domestic energy resources and concerns about the effects of fossil fuels on public health and climate change. By leveraging its extensive experience in the renewable energy sector and maintaining strong connections within the region's high technology and academic communities, the Fund aims to achieve competitive investment returns while supporting sustainable energy advancements.

PDENH is an investment management firm based in Amsterdam, Noord-Holland, that focuses on venture capital and private equity investments. Founded in 2014, the firm aims to identify and support innovative companies and projects, providing the necessary capital and expertise to foster growth and development in various sectors.

LS Power is a developer, owner, operator, and investor in power generation and electric transmission infrastructure across the United States. They focus on distributed energy resources and energy efficiency.

Accel is a venture capital firm founded in 1983 in Palo Alto, California, that backs early and growth-stage technology startups worldwide. It concentrates on software, cloud, data, mobile, digital media, and adjacent sectors, including consumer and enterprise technology, fintech, security, and healthcare. The firm supports entrepreneurs with long-term guidance and the resources needed to build world-class, category-defining companies. Accel maintains offices in Palo Alto, San Francisco, London, and Bangalore, and has backed a broad portfolio featuring notable companies such as Atlassian, Facebook, Dropbox, Slack, Spotify, and Cloudera.