Clean Energy

Africa Go Green Fund is a climate-focused investment initiative supporting renewable energy, energy efficiency, and low-carbon infrastructure projects across Africa. Established by KfW on behalf of the German government, the fund helps accelerate private sector investment into sustainable energy solutions that reduce greenhouse gas emissions and expand climate resilience throughout the continent. The fund provides debt financing, mezzanine capital, guarantees, and technical assistance to companies, financial institutions, and infrastructure projects advancing Africa’s clean energy transition.

Aligned Climate Capital is a U.S.-based investment firm focused on accelerating the clean energy transition through investments in renewable energy and climate solutions. The firm backs both companies and infrastructure projects that reduce emissions, expand access to clean power, and support long-term decarbonization. Operating with a “doing good by doing good” philosophy, Aligned Climate Capital integrates rigorous impact measurement into its investment strategy. The firm also commits a portion of its carried interest to leading climate nonprofits, reinforcing its role as both an investor and ecosystem contributor.

AlphaLab is a nationally recognized startup accelerator based in Pittsburgh, supporting early-stage companies across software, hardware, life sciences, and robotics. Founded in 2008 and powered by Innovation Works, AlphaLab provides founders with capital, mentorship, and a structured program to accelerate growth. The platform operates multiple specialized tracks, including AlphaLab (software), AlphaLab Gear (hardware), AlphaLab Health (life sciences), and Robotics Factory, offering tailored support depending on the company’s sector. AlphaLab has played a key role in building Pittsburgh into a leading innovation hub, helping startups move from idea to scalable venture.

The ASEAN Institute is a trade facilitation organization that focuses on fostering international and intergovernmental collaborations across Southeast Asia's ASEAN trade bloc, which includes Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam. Their primary focus areas are technology, energy, and infrastructure sectors, where they work to create productive channels for cross-border trade and development. The organization operates by facilitating communication, knowledge exchange, and technology transfer between public and private sector stakeholders across the ASEAN region. Their mission centers on strengthening economic cooperation by connecting global partners with local opportunities, creating meaningful bridges between international investors and Southeast Asian markets through strategic initiatives and structured collaboration programs. The ASEAN Institute plays a significant role in the Southeast Asian economic ecosystem by driving economic growth and innovation through their facilitation services. They matter because they provide essential infrastructure for cross-border collaboration in critical sectors like technology and energy, helping to strengthen the overall ASEAN trade bloc's competitiveness and integration in the global economy.

Ashoka is one of the world’s leading organizations supporting social entrepreneurs. Founded in 1980, Ashoka pioneered the concept of social entrepreneurship and has built a global network of changemakers working to solve some of the world’s most pressing challenges. Through its flagship Ashoka Fellows program, the organization identifies and supports high-impact entrepreneurs with funding, mentorship, and a powerful global network. Ashoka’s broader mission is to create a world where everyone is a changemaker, embedding social innovation across education, business, and civil society.

Avaana Capital is an India-based venture capital firm investing in climate and sustainability solutions across sectors such as energy, mobility, agriculture, and industrial systems. The firm backs early-stage founders building scalable technologies that address climate change while driving economic growth. Co-founded by Anjali Bansal, Avaana combines deep operational expertise with a strong network across government, corporates, and global investors. The firm focuses on enabling the transition to a low-carbon economy through innovation and technology.

Azolla Ventures is a climate-focused venture capital firm that invests in breakthrough technologies designed to avert catastrophic climate change. They partner with visionary founders at the earliest stages of venture development, where both risk and reward are at their highest levels. The fund operates with an impact-first approach, prioritizing investments that hold potential for large-scale greenhouse gas reductions while promoting a more just climate for all. Founded by Prime Coalition and enabled by catalytic capital, Azolla Ventures seeks out bold entrepreneurs from all corners and embraces opportunities that fall outside of traditional venture capital norms. Azolla Ventures plays a crucial role in the climate investment ecosystem by focusing specifically on ventures with the potential for gigaton-scale CO2 equivalent reductions. Their mission-aligned approach and willingness to take on high-risk, high-reward opportunities at the earliest stages helps bridge the gap between innovative climate solutions and the capital needed to scale them globally.

Better Society Capital is the UK’s leading social impact investor, focused on growing the flow of capital into solutions that address social challenges and inequalities. Established in 2012, the organization acts as a market builder, connecting investors, government, and social enterprises to scale impact investing across the UK. Rather than only deploying capital, Better Society Capital plays a catalytic role in developing the broader ecosystem, helping expand the UK impact investment market to over £11 billion while committing more than £1 billion directly into funds and enterprises.

Bezos Earth Fund is one of the world’s largest philanthropic initiatives focused on addressing climate change, protecting nature, and accelerating the transition to a sustainable global economy. Established by Jeff Bezos, the fund represents a $10 billion commitment to climate and environmental action through 2030. The organization supports scientists, nonprofits, policymakers, entrepreneurs, Indigenous communities, research institutions, and environmental leaders working to conserve ecosystems, decarbonize industries, transform food systems, advance climate technologies, and improve environmental accountability worldwide.

Blue Action Fund is one of the world's largest public funders dedicated to marine conservation and sustainable coastal livelihoods in developing countries. Established in 2016 by the German Federal Ministry for Economic Cooperation and Development (BMZ) and KfW Development Bank, the foundation provides large-scale grants to international and regional nonprofit organizations working to protect marine biodiversity while improving the wellbeing of coastal communities. The fund supports projects that strengthen marine protected areas, conserve blue carbon ecosystems, restore fisheries, protect biodiversity, and promote sustainable ocean economies. Working with governments, NGOs, Indigenous communities, and local stakeholders, Blue Action Fund helps finance long-term conservation initiatives across Africa, Asia, Latin America, and Small Island Developing States.

Blue Earth Capital AG is a global, independent, specialist impact investment firm that addresses the world's most pressing environmental and social challenges while aiming for measurable impact alongside attractive, market-rate financial returns. The firm manages $1.6 billion in assets under management and has completed over 100 impact investments, financing 41 million individuals and avoiding 1.6 million tCO2e in GHG emissions. What sets Blue Earth Capital apart is its unique foundation ownership structure, where profits including carried interest are employed by the BlueEarth Foundation to support deep impact initiatives. The firm invests globally across all impact sectors and geographies through private equity, credit, funds, co-investments, and secondaries, combining entrepreneurial spirit with institutional rigor to drive transformative climate solutions and improve lives of underserved people.

Breakthrough Energy is a climate-focused investment and innovation platform founded by Bill Gates to accelerate the transition to a net-zero economy. The organization supports cutting-edge climate technologies, policy initiatives, research, and investment vehicles designed to reduce greenhouse gas emissions at global scale. Breakthrough Energy works across venture investing, project financing, policy advocacy, and ecosystem development to help scale breakthrough solutions in energy, manufacturing, transportation, agriculture, and industrial decarbonization.

Builders Vision is an investment and philanthropy platform founded by Lukas Walton, focused on scaling solutions across food and agriculture, energy, and ocean systems. The platform combines venture capital, private equity, and philanthropic capital to drive large-scale environmental and social outcomes. Through its integrated model, Builders Vision supports entrepreneurs, funds, and initiatives working to transform global systems. Its approach is rooted in long-term partnerships, market transformation, and deploying flexible capital to accelerate sustainable innovation.

Camco Clean Energy is a specialist climate and impact fund manager with over 30 years of experience leading the transition to sustainable development in emerging markets. The firm manages $363 million in assets under management across 7 active impact funding vehicles, having completed over 200 transactions in 30+ countries. Camco focuses on delivering transformative impact to local communities while maintaining strong return profiles, combining the discipline of a development bank with the agility of a private company. The firm has achieved significant impact metrics including 17,710 direct jobs created, 342 MW of renewable energy capacity funded, and 229,629 tCO2e avoided through their managed funds.

Clean Energy Ventures is a venture capital firm investing in early-stage climate technology companies developing disruptive energy innovations and decarbonization solutions. The firm focuses on backing founders building scalable technologies capable of achieving significant greenhouse gas emissions reductions over the coming decades. With deep expertise in climate investing and commercialization, Clean Energy Ventures works closely with startups advancing breakthroughs across energy, transportation, industrial systems, and climate infrastructure.

Climate Fund Managers (CFM) is a for-profit investment manager specializing in climate finance across emerging markets in Africa, Asia, and Latin America. The firm uses blended finance structuring to attract public and private capital for high-impact climate investments, with over USD 2 billion in assets under management and targeting an additional USD 6 billion. CFM provides complete lifecycle financing solutions for infrastructure developers, covering development, construction, and operational stages of projects. Their investment approach focuses on climate change mitigation and adaptation in areas most affected by climate consequences, delivering both environmental impact and risk-adjusted returns to investors.

Climentum Capital is a European venture capital firm investing in early-stage climate hard tech companies driving the sustainable reindustrialization of Europe. The firm backs B2B technologies addressing emissions and resource constraints across energy, industry, infrastructure, and supply chains. Climentum focuses on companies moving from early commercialization toward industrial scale, providing capital and operational support for hardware, deep tech, and first-of-a-kind deployments. Its portfolio spans seven European countries and includes companies working across industrial decarbonization, energy systems, resilient supply chains, and climate infrastructure.

Congruent Ventures is a climate-focused venture capital firm that partners with early-stage entrepreneurs building transformative climate technology companies. With decades of climate tech investing experience, the firm supports founders who are innovating across atoms, bits, or business models to create solutions that do more with less. The firm focuses exclusively on North America-based teams and provides capital from formation stage through Series A, continuing to support portfolio companies as they scale. Congruent Ventures invests across multiple climate-related categories including mobility and urbanization, energy transition, and other decarbonization technologies, as demonstrated by their diverse portfolio and their 50 by 2050 initiative highlighting pioneering carbon reduction technologies.

Elemental Impact is a nonprofit investor focused on climate technologies that deliver deep community impact. They invest in entrepreneurs building technologies across multiple sectors including energy, industry, food and agriculture, nature, water, and transportation. The organization operates as both a direct investor and fund manager, having launched Earthshot Ventures, a $94M venture fund in 2021. The organization takes a four-pronged approach to investing in companies and filling gaps in the market, utilizing catalytic capital to scale climate solutions. Their mission centers on building an investing platform that scales climate technology with real local impact, combining financial returns with meaningful environmental and community benefits. They focus on deploying projects both across the United States and internationally. With over a decade of experience in the climate investing space, Elemental Impact has established itself as a significant player in the climate technology ecosystem. They have built partnerships with major organizations including Speed & Scale, McKinsey & Co., Stanford Doerr School of Sustainability, Energy Innovation, and Breakthrough Energy Ventures. Their comprehensive approach combining direct investment, fund management, and ecosystem building positions them as an important catalyst for climate technology innovation and deployment.

Energy Impact Partners is a global investment platform that brings together entrepreneurs, institutional investors, and leading energy, industrial, and infrastructure companies to accelerate the transition toward a cleaner, more resilient economy. The firm invests in innovative companies developing technologies across energy, climate, electrification, infrastructure, cybersecurity, mobility, and industrial transformation. Energy Impact Partners leverages its extensive network of strategic corporate partners to help portfolio companies scale faster, secure customers, validate products, and drive real-world deployment of transformative technologies.

Fast Forward is a nonprofit accelerator focused on supporting tech nonprofits building scalable technology solutions for social and environmental impact. Since 2014, the organization has helped mission-driven founders grow technology platforms addressing challenges across education, healthcare, climate, economic opportunity, civic engagement, and digital inclusion. Through accelerator programs, funding, mentorship, strategic partnerships, and ecosystem support, Fast Forward empowers nonprofits using technology and AI to improve lives at scale.

Ford Foundation is one of the world’s largest philanthropic foundations, focused on advancing social justice, reducing inequality, strengthening democratic values, and expanding human dignity globally. Founded in 1936, the foundation supports nonprofits, movements, institutions, artists, researchers, and community leaders working to address systemic social, political, and economic challenges. The Ford Foundation operates across multiple regions worldwide and funds initiatives spanning democracy, racial justice, economic inclusion, technology and society, gender equity, arts and culture, journalism, and human rights.

Future Planet Capital is an impact-led venture capital firm that backs innovative companies emerging from the world's top universities and research ecosystems. They focus on investing in high-growth companies that are solving global challenges profitably, with their investments mapped against the UN Sustainable Development Goals including climate change, education, health, security, and sustainable growth. The firm operates with a mission to connect the biggest investors with the brightest minds, using a data-driven approach powered by a unique algorithm that tracks over 500,000 inputs to systematically score and benchmark the world's most innovative companies. Founded in the UK with a global outlook and reach, they have developed a practical approach to assess a company's impact potential and integrate this into their decision-making across each stage of the investment life cycle. With over $460M in assets under management and 160 portfolio companies across various geographies and stages, Future Planet Capital has established significant impact in the venture capital ecosystem. Over the past 25 years, they have been the founding investor in 8 unicorns and profitably exited over 60 businesses, demonstrating their ability to identify and nurture companies that can deliver both financial returns and positive societal impact.

The Grantham Foundation for the Protection of the Environment operates through both philanthropic grants and strategic investments to address climate change and environmental degradation. They focus on protecting and improving the health of the global environment through a dual approach of funding environmental advocacy, applied research into climate solutions, and investing in entrepreneurs building green industries and technologies. Their mission is to protect and conserve the natural environment, with communication and collaboration as top priorities to build widespread public support for preventing catastrophic climate change. The Foundation operates as a 501(c)(3) private foundation with five Grantham family trustees, while also working through The Jeremy and Hannelore Grantham Environmental Trust, a public charity with independent trustees from major environmental organizations including Rare, The Nature Conservancy, World Wildlife Fund US, and Rocky Mountain Institute. Established by Jeremy and Hannelore Grantham, the Foundation plays a significant role in the environmental ecosystem by addressing what they identify as humanity's greatest challenge - climate change and the race against time to avoid existential threats. Their impact matters because they recognize that environmental philanthropic resources are immense compared to available funding, making strategic alliances and targeted investments in both advocacy and technological innovation crucial for preventing catastrophic environmental change.

The Green Climate Fund (GCF) is a global climate finance institution established to support developing countries in their efforts to combat climate change. With a shrinking window of opportunity to address the climate crisis and global temperatures already 1.1°C above pre-industrial levels, GCF focuses on limiting global warming to 1.5°C through strategic investment decisions over the next decade. The fund operates through a comprehensive governance structure including a GCF Board, accredited entities, and national designated authorities to ensure effective climate finance delivery across countries and regions.

Greentown Labs is the world's largest climatetech and energy incubator, operating as a 501(c)(3) nonprofit organization that supports entrepreneurs developing climate solutions. They provide incubation services, membership programs, and resources to startups working across various sectors including agriculture, buildings, electricity, manufacturing, transportation, and resilience adaptation. Their mission centers on catalyzing climate solutions at speed and scale by bringing together entrepreneurs with innovation, corporate leaders with scale, investors with capital, and philanthropists with support. They operate as a community-driven organization with locations in Boston and Houston, fostering collaboration between startups, corporations, and other stakeholders in the climatetech ecosystem. Greentown Labs serves as a critical hub in the climatetech ecosystem, connecting entrepreneurs with the resources, mentorship, and partnerships needed to transform society through energy innovation. Their comprehensive approach to supporting climate entrepreneurs positions them as a key player in addressing the climate challenge through technological innovation and community building.

Just Climate is a mission-driven investment business established by Generation Investment Management that focuses on backing high-impact climate solutions capable of radically reducing or removing emissions. The firm targets attractive risk-adjusted financial returns while prioritizing transformational climate impact, operating through a 'climate-led' investing approach that starts with identifying solutions that can make the biggest difference to achieving net zero by 2050. The firm directs and scales institutional capital toward solutions for historically hard-to-abate industries, emphasizing low or no-carbon solutions that are transformational rather than incremental. Just Climate's mission is to make climate-led investing a capital allocation imperative, focusing on solutions that can benefit people everywhere while addressing the urgent need to radically reduce all emissions by 2030.

Katapult is a Norwegian impact investor that accelerates and invests in technology companies solving the world's greatest challenges. They focus on highly scalable impact tech startups, with specific investment programs including Katapult Ocean for startups with positive ocean impact and Katapult Africa for climate-tech startups addressing Africa's pressing challenges. The organization operates through a comprehensive platform approach, combining investment with accelerator programs to strengthen their support for promising impact tech startups. Since 2017, they have conducted 10 flagship accelerator programs and 3 corporate accelerators, while also establishing the Katapult Foundation in 2020 to focus on building the impact community and education around impact investment. Katapult has established significant influence in the global impact investment ecosystem, having invested in 169 companies across 47 different countries. Their platform approach enables domain experts to launch lean and efficient investment vehicles, while initiatives like Katapult Future Fest, Katapult X, and the Nordic Investment Network help build the broader impact investing community and demonstrate their commitment to scaling both profit and impact.

LowCarbon.Earth is a climate-tech accelerator that supports early-stage startups developing innovative solutions to tackle climate change and environmental challenges across the Asia-Pacific region. The program focuses on sustainable goods and services addressing climate change, nature loss, and pollution across core sectors including renewable energy, mobility, air quality, and sustainable agriculture. Launched in collaboration with the United Nations Environment Programme (UNEP) by Massive Earth Foundation, the accelerator operates through intensive bootcamps, workshops, mentorship programs, networking sessions, and investor pitch opportunities. Their mission centers on catalyzing climate action by empowering passionate founders and creating scalable, impactful solutions for a sustainable future. Since inception, LowCarbon.Earth has established itself as a significant force in the Asia-Pacific climate innovation landscape, having evaluated over 3,000 startups and supported more than 180 through their programs. The accelerator has gained recognition through national media coverage including CNBC Awaaz and has built a vibrant community of founders, industry leaders, investors, and VCs who collectively shape climate-tech innovation across the region.

Lowercarbon Capital is a venture capital firm that invests in companies developing technologies to combat climate change through three primary approaches: slashing CO2 emissions, removing carbon from the atmosphere, and buying time to address planetary climate issues. They focus on backing what they call "kickass companies" that can make real money while addressing environmental challenges across sectors including energy, transportation, industrial materials, and agriculture. The firm operates on the philosophy that fixing the planet is good business and that market forces, rather than shame and guilt, will drive the necessary climate solutions. They combine hard science with ambitious goals, seeking companies that can deliver better, faster, and cheaper alternatives to fossil fuel-based technologies. Lowercarbon Capital plays a significant role in the climate tech ecosystem by funding innovative companies across diverse sectors from solar and wind energy storage to fusion technology, electric aviation, and carbon-free chemical production. Their portfolio includes companies like Antora, Commonwealth Fusion Systems, Heart Aerospace, and Solugen, positioning them as a key player in scaling climate solutions that can achieve commercial viability while delivering environmental impact.

Pay it Forward Ventures (PIF) builds better lives for billions by investing in source-solving rather than symptom-solving. They fund and found ventures that create new paradigms across financial technology, health, energy, and digital infrastructure — and donate 20% of GP profits to philanthropy because they believe in paying it forward.

The Rockefeller Foundation is one of the world’s largest and most influential philanthropic organizations, focused on advancing human well-being through large-scale investments in energy access, food systems, health, economic opportunity, climate resilience, and emerging technologies. Founded in 1913, the foundation partners with governments, nonprofits, corporations, and local communities to tackle systemic global challenges through innovative finance, data, and technology-driven solutions. The foundation is known for making ambitious “big bets” aimed at improving the lives of hundreds of millions of people worldwide, particularly in underserved and economically vulnerable communities.

Shell Foundation is a philanthropic foundation that enables millions of people in Africa and Asia to increase their incomes with clean energy solutions. The foundation focuses on three core people: smallholder farmers, transporters, and micro-entrepreneurs, working to impact their livelihoods through innovative partnerships and catalytic finance. The organization partners with public and private organizations to foster early-stage innovation and scale commercial clean energy solutions. Shell Foundation emphasizes its independence as key to delivering its mission and maintains strategic partnerships, including a unique partnership with the FCDO, to maximize impact across their target regions.

SOSV is a global venture capital firm and accelerator founded in 1995, operating one of the most active deep tech and life sciences investment programs in the world. The firm runs multiple accelerator programs, including HAX for hardware and robotics, IndieBio for life sciences and biotech, and Orbit for climate and sustainability — providing intensive company-building support alongside early-stage capital. With over $1.5 billion in AUM and a portfolio exceeding 1,000 companies across more than 70 countries, SOSV occupies a distinctive position in the venture landscape: a programmatic investor that takes companies from idea stage through to growth and beyond. The firm's accelerator model means it is often the first institutional check into a company, with follow-on capability through later rounds. SOSV has a strong impact orientation across its portfolio, with climate, food systems, health, and sustainability representing a significant share of its investments. Its programs in particular have become known as launchpads for companies working on hard scientific and engineering problems that require more than capital to succeed.

SustainVC is an impact-focused venture capital firm that backs innovative entrepreneurs working toward a sustainable, more equitable, and healthier world. The firm focuses on two primary impact areas: Climate & Sustainability, and Access & Opportunity, targeting companies that can deliver both positive impact and positive returns. Their mission centers on supporting entrepreneurs who share their vision of creating systemic change through market-driven solutions. SustainVC operates with the philosophy that profitable investments and meaningful impact can go hand in hand, seeking to accelerate positive change through strategic capital deployment. The firm plays an important role in the impact investing ecosystem by bridging the gap between traditional venture capital and social impact. With offices in Boston, Durham, and Philadelphia, SustainVC positions itself as a key player in supporting the growth of companies that can address critical societal and environmental challenges while generating strong financial returns.

Unreasonable Group is a Colorado-based international company that partners with growth-stage entrepreneurs solving pressing global challenges through capital, community, and storytelling. They operate a Fellowship program that handpicks and privately invites the world's most compelling solutions, focusing on five key verticals: Energy & Environment, Food & Water, Health, and other sectors aimed at transitioning into a more resilient and regenerative economy. Their mission centers on creating trusted partnerships and moving capital to ensure a better future, believing in the power of business and finance to drive lasting, scalable change. They build trust across growth-stage entrepreneurs, institutions, and investors by channeling exclusive deal-flow to investors and partnering with institutions to discover profit in solving global problems. Unreasonable Group has established itself as a significant force in the impact ecosystem, striving to become the world's most trusted community in service of a more connected and regenerative economy. Their approach of focusing on scaling what works has created a substantial network that operates across multiple countries and industries, demonstrating that reasonable ideas seldom change anything while unreasonable ones drive progress.

Wavemaker Impact is Southeast Asia's climate-tech venture builder, co-founding startups with proven entrepreneurs to cut emissions at regional scale. Launched in 2021 as part of the Wavemaker Partners platform and led by founding partner Marie Cheong, the firm targets the region's largest emission sources in agriculture, energy, industry, built environment, and transport, with a long-term goal of helping reduce 10% of the global carbon budget by 2035.