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§ Venture Capital · USA
venture capital firm investing in early-stage climate tech startups, focused on advanced energy for emissions reduction.
Clean Energy Ventures is a Boston, Massachusetts-based venture capital firm that invests in early-stage climate tech startups developing advanced energy technologies to reduce global greenhouse gas emissions. The firm primarily provides equity funding from seed to late-stage rounds for companies operating across the clean energy, construction, industrial, and logistics sectors. Supported by a team of 11 to 50 employees and 19 specialized venture partners, the firm has invested in over 40 climate tech startups. Clean Energy Ventures frequently co-invests alongside prominent corporate backers such as Breakthrough Energy Ventures and bp Ventures. Its active portfolio features emerging companies focused on green hydrogen, battery recycling, and grid solutions, including Advanced Ionics, SparkMeter, and Carbon Upcycling. The venture capital firm was officially founded in 2017, building upon the earlier establishment of its affiliated angel investment network in 2005.
Key people at Clean Energy Ventures.
Clean Energy Ventures has more than 26 tracked investments across 22 companies. The latest tracked deal is $60.0M Series A in DG Matrix in February 2026.
Key people at Clean Energy Ventures.
Clean Energy Ventures (CEV) is a venture capital firm specializing in early-stage climate tech startups focused on disruptive, capital-light clean energy technologies that have the potential to substantially reduce greenhouse gas emissions by 2050. Their investment philosophy centers on backing companies capable of mitigating at least 2.5 gigatons of CO₂ cumulatively between 2025 and 2050, spanning hardware, software, and diverse subsectors within clean energy. CEV actively leads financings and takes board roles to provide hands-on operational support, leveraging a network of over 200 co-investors and a team of experienced venture partners with deep technical and industry expertise. Their portfolio companies address critical challenges in energy production, storage, grid management, and decarbonization, contributing significantly to the climate tech startup ecosystem by accelerating innovation and scaling impactful solutions[1][2][6].
Founded in 2005 by managing directors with over 15 years of clean energy investing experience, CEV evolved from the Clean Energy Venture Group (CEVG), a 40-person angel investor network. This origin reflects a strong foundation in both capital and operational expertise within the clean energy sector. The firm’s leadership team includes seasoned investors and operators with advanced degrees from top institutions, who have guided over 40 climate tech startups. CEV’s evolution has been marked by a rigorous emissions impact screening process, including their proprietary Simple Emissions Reduction Calculator (SERC), which helps prioritize investments with the highest potential climate impact[1][2][3].
CEV rides the accelerating global trend toward decarbonization and clean energy innovation, capitalizing on increasing regulatory pressure, corporate sustainability commitments, and technological advances in energy storage, grid management, and alternative fuels. The timing is critical as the world seeks scalable solutions to meet climate targets by mid-century. By focusing on capital-efficient, scalable technologies with measurable emissions reductions, CEV influences the broader ecosystem by de-risking early-stage climate tech investments, fostering collaboration across sectors, and accelerating the commercialization of breakthrough technologies. Their emphasis on measurable climate impact aligns with growing investor and policy-maker demands for accountability and results in climate finance[1][2][6].
Looking ahead, Clean Energy Ventures is poised to deepen its impact by continuing to back startups that can deliver gigaton-scale emissions reductions, particularly as climate tech markets mature and new regulatory frameworks incentivize clean energy adoption. Trends such as electrification of industry, grid modernization, hydrogen economy development, and circular economy innovations will likely shape their investment focus. Their influence may expand through stronger partnerships with corporate strategic investors and by scaling their operational support model to help portfolio companies navigate complex market dynamics. CEV’s commitment to rigorous impact measurement and active governance positions them to remain a leading force in the climate tech venture capital space, driving innovation that is critical to meeting global climate goals[1][2][6].
