Energy Impact Partners is a private equity and venture capital firm founded in 2015 and based in New York. It concentrates on financing companies that advance the energy transition and sustainable energy, investing across venture, growth, credit, and infrastructure. The firm operates globally, with activity in North America and Europe, and collaborates with energy companies and entrepreneurs to accelerate innovation in areas such as energy efficiency, smart grids, storage, alternative energy equipment, and related software and services. It manages more than $2.5 billion in assets and pursues opportunities across the energy and climate sectors.

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.

Breakthrough Energy Ventures is an investor-led venture capital firm based in Kirkland, Washington, providing patient capital to climate and energy technology companies across seed, early, and later stages. It concentrates on environmental services, climate change, climate technology, and cleantech, investing minority stakes to back technologies that deliver reliable, affordable power while reducing emissions and advancing zero-emission energy solutions.

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.

Clean Energy Ventures is a Boston-based venture capital firm that invests in seed- and early-stage climate technology startups across North America, Europe and Israel. It focuses on advancing energy storage, grid connectivity, renewable energy production, clean transportation, and the water–energy nexus, supporting technologies and business models with scale potential to reduce greenhouse gas emissions. The firm backs companies that address climate change through market-driven approaches and seeks to accelerate commercialization of disruptive clean energy innovations.

SET Ventures is an Amsterdam-based venture capital firm founded in 2007 that invests in European technology companies with a focus on sustainable energy and digital infrastructure. The firm targets early-stage startups and also engages in later-stage opportunities, prioritizing sectors such as energy generation, distribution and storage, energy efficiency, and related applications including smart buildings, smart cities, mobility, and industrial processes. Its portfolio emphasizes smart energy solutions that combine software, data analytics, and hardware components to enable carbon-free energy systems. SET Ventures backs companies with a strong digital DNA across information and communication technology, clean energy technologies, and grid-related innovations, aiming to improve energy generation, transmission, storage, and consumption. The firm is known for active involvement in portfolio companies, often taking a seat on supervisory boards to guide growth and scale across Europe.

Congruent Ventures is a venture capital firm based in Oakland and San Francisco that specializes in early-stage investments in climate technology and sustainable solutions across North America. The firm backs technology companies in mobility and urbanization, energy transition, food and agriculture, and sustainable production and consumption, with opportunities spanning hardware, software, and services that can scale while reducing energy and resource use. Founded in 2017, Congruent Ventures emphasizes positive environmental impact alongside growth and operates as an exempt registered adviser.

Future Energy Ventures is a venture capital firm and collaboration platform that links corporate partners with world-class startups to shape the future energy landscape. It invests in digital and digitally enabled technologies and business models with the potential to redefine energy systems. The company operates from hubs in Germany, Israel and Silicon Valley and is based in Essen, Germany, pursuing investments and scaling opportunities for its portfolio on a global basis.

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.

Volta Energy Technologies is a venture firm founded in 2017 and based in Naperville, Illinois, focused on battery and energy storage technologies. It identifies and supports entrepreneurs and companies solving key technical challenges in transportation, the electric grid, and portable electronics, and collaborates with strategic investors to bring transformative energy storage solutions to market. The firm works with researchers and industry partners, including research agreements with national laboratories such as Argonne National Laboratory, to validate technologies and accelerate development. By helping corporate partners leverage breakthrough energy storage innovations, Volta aims to create strategic advantages for its clients while delivering financial returns.

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.

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.

Chevron is a multinational integrated energy company that explores for, produces, refines, and markets oil, natural gas, and chemicals worldwide. The company operates Upstream and Downstream segments, with refining facilities, large-scale marketing of fuels and lubricants, and related energy services. It maintains sizable reserves and a global footprint across North America, South America, Europe, Africa, Asia, and Australia. Chevron emphasizes affordable, reliable, and cleaner energy to enable human progress, and pursues technology-enabled improvements to efficiency and environmental performance. The company also maintains a corporate technology arm that scouts and integrates emerging technologies to support core businesses and future opportunities, including decarbonization, energy decentralization, and advanced materials. Founded in 1879, Chevron is headquartered in San Ramon, California, and remains a leading global energy player while pursuing ongoing innovation and responsible resource management.

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.

Blue Bear Capital is a venture capital firm founded in 2016 that backs technology companies in energy, climate and industrial sectors. It concentrates on energy infrastructure, renewable energy, electric grid modernization, and climate-tech solutions enabled by AI and data analytics. The firm targets investments in Western Europe and North America, supporting companies across energy, IT, and related sectors to scale sustainable energy production, grid resilience, pollution reduction, and water and land management.

Antler is a global venture capital firm based in Singapore that backs early-stage technology companies. It runs incubation programs and provides a global community of co-founders, access to talent, expert advisors, expansion support, and capital to help startups grow. The firm targets a broad range of sectors, including healthcare, finance, software, energy, consumer and B2B technologies, and operates through regional programs across Europe, the United States, the United Kingdom, Southeast Asia, India, Africa, and beyond.

Powerhouse Ventures is an Oakland, California-based venture capital firm founded in 2013 that concentrates on seed-stage investments in clean energy, mobility, and climate technologies. It backs startups developing intelligent energy solutions, including software and hardware for solar, storage, demand response, and grid integration, and operates an accelerator program alongside its investment activity. The firm provides seed capital typically in the tens to hundreds of thousands of dollars in exchange for equity, aiming to accelerate decarbonization of global energy and mobility systems.

DCVC is a venture capital firm headquartered in Palo Alto, California, that backs entrepreneurs developing deep technologies across artificial intelligence, exascale computing, climate, engineering, materials science, robotics, space, water, biology, defense, security, and related deep tech sectors. The firm emphasizes combining advances in science and technology with computing and algorithmic advantage to enable more with less and to reduce capital expenditure and operating costs for portfolio companies. DCVC operates as a registered investment adviser and invests across stages to support transformational breakthroughs that benefit society.

Energize Capital is a global alternative investment manager focused on accelerating digital transformation in energy and sustainability. Founded in 2016, the firm has funded 21 companies and is backed by strategic and institutional limited partners including CDPQ, InvEnergy, Schneider Electric, General Electric, and Caterpillar. It partners with portfolio companies to help them progress from early commercialization to growth and, where appropriate, access public markets, leveraging deep industry and operational expertise to drive value across the energy transition.

Khosla Ventures is a California-based venture capital firm founded in 2004 by Vinod Khosla. The firm backs entrepreneurs with venture assistance, strategic guidance, and capital, focusing on bold, early-stage technology companies. It invests across sectors including AI, climate and sustainability, enterprise software, consumer technologies, fintech, digital health, medtech and diagnostics, therapeutics, and frontier technologies. Based in Menlo Park, the firm manages several funds to support startups across stages, prioritizing ventures that address large markets and have potential for significant social and economic impact.

Move Energy is an investment firm that backs early‑stage companies developing hardware and software technologies to accelerate the energy transition. It focuses on solutions for power generation, transportation, and buildings that help achieve net‑zero emissions. By funding high‑impact innovations, the firm supports the broader goal of reaching net‑zero by 2050.

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.

Vireo Ventures is a Berlin-based seed- and pre-seed-stage venture capital firm that funds European technology start-ups driving electrification and the green transformation. It focuses on early-stage opportunities in mobility technology, energy, information technology, IoT, advanced manufacturing, and related sectors, and provides long-term support to help portfolio companies scale in a decarbonized economy.

Founded in 2023, MOL Switch is a corporate venture capital firm based in Palo Alto, California. It focuses on investing in startups developing innovative technologies in decarbonization and next-generation energy supply chains.

Next47 is a global independent venture firm backed by Siemens AG that invests in enterprise-focused startup companies leveraging emerging technologies. It pursues fast decision-making and works closely with the teams it backs to unlock maximum potential. The firm leverages Siemens' global footprint and ecosystem spanning multiple industries and regions to support portfolio companies.

Gaingels is a venture investment organization focused on LGBTQ+-founded and led companies and their allies, investing across stages from pre-seed to pre-IPO and maintaining a global portfolio. Founded in 2014 and based in New York, it operates as a syndicate with more than 130 portfolio companies and around $70 million deployed. The organization supports inclusive leadership by backing ventures that promote diverse C-suite and board representation and actively assists portfolio companies in recruiting diverse executive talent. It also fosters a global community of industry leaders, investors, operators, and entrepreneurs who pursue positive social change through business and successful 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.

Lowercarbon Capital is a venture capital firm founded in 2018 and based in Jackson, Wyoming. It invests in companies developing technologies to reduce carbon dioxide in the atmosphere, with a focus on sectors including energy, impact, transportation, industrial materials, and agriculture. The firm supports research and commercialization of emissions-reducing solutions and backing for entrepreneurs pursuing ways to lower emissions, remove carbon, and actively cool the planet.

Magnesium Capital is a London-based venture capital and private equity firm that funds technology-enabled businesses driving the energy transition. It targets growth-oriented control investments in Europe and North America, working with management teams of family-owned or owner-led companies. The firm's focus includes technology and tech-led services that improve energy production reliability, grid resilience and flexibility, and resource efficiency. Typical investments are in the mid-market range, with deal sizes in the tens of millions and enterprise values in the 50–150 million range.

First Imagine! is a European venture capital firm specializing in early-stage investments within the energy transition sector across Europe and Israel. It focuses on companies advancing deep science and engineering technologies, innovative business models, and all aspects of energy production, transmission, distribution, consumption, and monitoring.

Itochu is a leading Japanese general trading company established in 1858 by Chubei Itoh. As a sogo shosha, it conducts domestic and international trading across sectors including textiles, machinery, chemicals, metals, energy, food, and general merchandise, and engages in related services such as insurance, finance, construction, real estate, and warehousing. The group maintains a broad global footprint with offices in more than 80 countries and operates across investment and business ventures to support its trading activities. Through its information technology and other business units, Itochu also sponsors strategic ventures and partnerships, leveraging its extensive network to create value across industries. The company emphasizes diversified operations, long-term relationships with suppliers and customers, and growth across traditional trade, consumer products, and energy-related sectors.

AFI Ventures is the seed fund of Alliance for Impact, Europe’s day-one impact launchpad, based in Paris. It invests in impact-driven startups at the pre-seed and seed stages, offering up to €100,000–€500,000 per investment and providing equity-free acceleration alongside funding. The firm aims to back a limited number of companies, roughly two per month, to accelerate sustainable and inclusive growth across sectors.

Founders Future is a venture capital firm headquartered in Paris, founded in 2018. It specializes in early-stage investments, including startup studio activities, pre-seed, seed, and series A rounds, and backs startups across Europe. The firm targets a broad range of sectors such as software as a service, information technology, fintech, e-commerce, commercial products and services, transportation, semiconductors, retail, and food technology, with a focus on business-to-business and software-enabled solutions.

Ascent Energy Ventures is a Denver-based venture capital firm founded in 2019 that funds startups advancing the digital transformation of the energy industry, including grid technologies, oil and gas tech, mining tech, climate tech, and energy transition tech. Its investment thesis centers on automation and the application of artificial intelligence and machine learning to improve efficiency, reliability, and innovation across energy value chains.

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.

Doral Energy-Tech Ventures is the corporate venture arm of Doral Group, investing in companies that develop and commercialize energy technology solutions.

Nth Power is a California-based early-stage venture capital firm founded in 1997 and headquartered in San Francisco that invests in energy-related technology companies across North America. It focuses on sectors including energy generation and storage, renewable technologies, smart grid, efficiency, infrastructure, and advanced transportation, with an emphasis on solutions that address pressing energy challenges. The firm supports startups with high growth potential through a deep network of energy entrepreneurs, universities, research institutions, and institutional capital, aiming to accelerate commercialization of innovative energy technologies.

GAIA Impact Fund is a venture capital firm that specializes in renewable energy and builds long-term partnerships with startups operating in Sub-Saharan Africa and Southeast Asia. It emphasizes environmental and social impact and backs businesses that enable sustainable and affordable energy provision to local communities. In regions with carbon-intensive energy mixes, the firm supports technological innovations and viable business models that enable cost-efficient, large-scale diffusion of renewable energy.

Storengy is an innovative partner driving a new energy paradigm, offering solutions that transform how energy is generated, distributed, and consumed.

High-Tech Gründerfonds is a Germany-based seed and early-stage venture capital firm focused on technology companies in Germany. Based in Bonn with an additional office in Berlin, it operates as a public-private partnership that supports high-tech startups across information technology, software, hardware, life sciences, chemistry and related fields. HTGF provides initial funding and follow-on capital to eligible young companies, often taking minority stakes and participating as lead or co-investor, while offering hands-on guidance from experienced investment managers and startup experts. Since its founding in 2005, the firm has backed numerous startups and facilitated the growth of portfolio companies through multiple funds aimed at early stages. The model combines both public support, involving government and financial institutions, with private investor participation to nurture startups from concept to market.

Superhero Capital is a Helsinki-based venture capital firm focused on seed-stage investments in technology-enabled companies in Finland and the Baltics. It concentrates on software and related sectors such as B2B software, health tech, fintech, IoT and SaaS, supporting insight-driven startups. Founded in 2015, the firm operates across Finland and the Baltic states.

Climate Capital is a San Francisco-based venture capital firm founded in 2018 that backs companies spanning adaptation, alternative proteins, agriculture, carbon-related initiatives, energy, web3, transportation, and real estate, with a focus on supporting enterprises that directly or indirectly reduce global greenhouse gas emissions.

Argo Infrastructure Partners is an independent fund manager focused on infrastructure investments, with a primary emphasis on regulated and contracted assets within the energy, utilities, and broader infrastructure sectors. It pursues a long-term investment approach, targeting low-risk, core assets such as midstream networks, utilities, and contracted power infrastructure that provide essential services to communities. By selecting high-quality assets with stable contracted cash flows, Argo Infrastructure Partners aims to deliver sustainable cash yields over extended operating horizons while maintaining prudent asset stewardship and governance.

Daphni is a Paris-based venture capital firm and platform founded in 2015 that funds technology startups with a European footprint and international ambition. It operates as a VC platform supported by the daphnipolis community of more than 200 entrepreneurs, executives, academics, artists and advisors, and a digital platform that emphasizes efficiency and transparency. The firm focuses on user-oriented tech companies and seeks opportunities across Europe and the United States, investing primarily in early-stage to growth rounds, including seed, startup, early venture and Series B. It targets ventures addressing market-oriented users across B2B and B2C models and avoids traditional fund-specific language, aiming to back startups with scalable, user-centric approaches. Through its platform, Daphni aims to support founders with practical resources and a collaborative ecosystem to accelerate international expansion.

Blackhorn Ventures is a Denver-based early-stage venture capital firm founded in 2016 that backs technology-enabled companies aiming to improve resource productivity through cutting-edge engineering. The firm focuses on sectors including energy, construction tech, built environment, supply chain, logistics, transportation, information technology, materials and resources, and artificial intelligence and machine learning. It invests primarily in the United States, Canada, and Europe and is known for supporting startups in the early stages with a focus on impactful, technology-driven solutions.

Global Brain is a Tokyo-based venture capital firm founded in 1998 that backs technology companies from seed stage through growth rounds. It targets a broad range of sectors including AI, cloud and software, fintech, robotics, life sciences, media, and mobility, and pursues global investments across Europe, North America, Africa and Asia-Pacific. The firm emphasizes hands-on support and resources for portfolio companies, aiming to help them scale beyond financing. It operates a pure investment fund alongside corporate venture funds formed with leading public companies across telecom, real estate, financial services, beverages, agriculture and food, logistics, and electronics.

Icehouse Ventures is a venture capital firm based in Auckland, New Zealand. Founded in 2003, it backs brave Kiwi founders with unique insights building global companies and focuses on investing in early-stage companies across New Zealand.

Blackbird Ventures is an Australasian venture capital firm founded in 2012 that backs technology startups from idea to IPO, investing from seed to later stages across Australia and New Zealand. The firm focuses on ambitious founders and aims to foster generational ownership. Its portfolio includes notable early rounds such as Canva and CultureAmp, and totals over 100 companies with a value exceeding $7B.

Kima Ventures is a venture capital firm headquartered in Paris with an office in London, founded in 2010 by Xavier Niel. It invests in seed and early-stage startups worldwide, often as lead investor, and supports founders with funding, an extensive network, and guidance to accelerate product development and growth. The firm emphasizes rapid decision-making and aims to smooth fundraising so founders can focus on building their business. Described as a network of founders and experts with a pay it forward mindset, Kima has invested in hundreds of startups across multiple countries, reflecting its global reach and active early-stage engagement.