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Climate Capital

San Francisco, California · Invests in US; North America; Europe; Africa; MENA; Asia · Website

Check size

$25K-$250K

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Thesis

Infrastructure is the critical layer for climate transition. Three pillars: (1) Energy Abundance - hyperscaling cheap clean energy for 2X grid capacity, (2) Physical Infrastructure - 100X energy storage and circular supply chains for robotics/autonomy, (3) Resilience & Adaptation - fortifying critical systems against climate disasters.

Likely not a fit for

We avoid consumer-only plays, non-technical founders, hardware without software moat, companies that don't address infrastructure layer.

How they invest

Lead or follow
Leads or follows
Typical decision
~1 month
Warm intro
Not required
Involvement
Advisor
Fund status
Actively deploying
Decision process
Partnership vote

Partners & team

11 contacts on file

SA

Sundeep Ahuja

Founder & General Partner · Primary contact

NM

Nishant Mani

General Partner

IC

Ian Campbell

Senior Associate

ST

Sherrie Totoki

GM, Climate Angels

MM

Mike Mettler

Venture Partner

NV

Nick van Osdol

Venture Partner

SO

Schaffer Ochstein

Venture Partner

KD

Katie Durham

Syndicate Partner

KP

Kirthika Padmanabhan

Syndicate Partner

MW

Max Wang

Syndicate Partner

SR

Sam Runkle

Syndicate Partner

Portfolio

ZanskarClimate Clean Energy

Zanskar is an AI-native geothermal energy company focused on unlocking geothermal resources using data and advanced technologies to deliver affordable, carbon-free energy.

RemoraClimate Clean Energy

Remora is a carbon capture technology company that retrofits locomotives and semi-trucks to capture CO₂ emissions, purify it, and sell it, generating revenue for transportation companies while reducing their environmental impact.

RewbiClimate Clean Energy

Rewbi is building the next generation power company, starting with AI to optimize grid-connected battery storage. They facilitate the build out of battery storage through battery rental agreements, aiming for a cleaner, more affordable, and reliable power grid.

SpanEnterprise Software

AI-native engineering intelligence and automations that help cut coordination costs and drive performance at scale.

ExowattClimate Clean Energy

Exowatt provides modular, dispatchable energy systems designed to meet the demands of AI infrastructure, delivering 24-hour solar energy.

Kobold MetalsManufacturing Industrial

KoBold Metals is a scientific mineral exploration and development company focused on critical minerals, utilizing AI and human expertise to enhance discovery processes.

Bedrock Energy
Terraform IndustriesClimate Clean Energy

Terraform Industries is scaling technology to produce cheap natural gas with sunlight and air. We are committed to cutting the net CO2 flux from crust to atmosphere as quickly as possible.

Pila EnergyClimate Clean Energy

Pila Energy offers plug-and-power home batteries designed for smarter energy control and modern backup power, allowing users to achieve energy independence.

Arbor EnergyClimate Clean Energy

Arbor Energy’s advanced power systems deliver clean, reliable baseload electricity with zero operating emissions. Their technology focuses on generating emissions-free baseload power using a supercritical CO₂ turbine system and oxy-combustion.

ArcadiaClimate Clean Energy

Arcadia helps businesses unlock a future of abundant, affordable clean energy. With our advanced utility data platform, AI-driven analytics, and industry expertise, we give businesses and energy innovators the solutions they need to navigate today’s complex energy landscape.

Colossal BiosciencesBiotech Life Sciences

Colossal Biosciences is a biotechnology company focused on de-extinction and genetic engineering, aiming to revive extinct species using CRISPR technology and involved in conservation efforts.

Recent activity

Climate Capital in the news

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Research briefRead more
Climate Capital Research Climate Capital is the leading early-stage venture capital platform specializing in climate tech and climate solutions. Founded by Sundeep Ahuja (co-founder of Kiva.org) and evolved from a single syndication in 2015 into a diversified platform managing multiple vehicles. Investment Thesis Climate Capital's core thesis centers on infrastructure as the critical layer for the climate transition. They identify three interconnected pillars: 1. Energy Abundance - AI and electrification will demand 2X grid capacity, requiring hyperscaling cheap, clean energy (both firm and intermittent). Focus areas include grid intelligence, next-gen nuclear, critical minerals, geothermal, transmission capacity, and distributed energy. 2. Physical Infrastructure - Robotics, autonomy, and manufacturing require 100X energy storage, next-generation materials, and circular supply chains at scale. They invest in energy storage (BESS), bioindustrial materials, resource circularity, robotics infrastructure, and manufacturing AI. 3. Resilience and Adaptation - Critical systems (supply chains, urban infrastructure, food systems, water resources) require fortification against accelerating climate disasters. Areas include disaster mitigation, climate insurance, detoxification infrastructure, and resilience engineering. Climate Capital believes infrastructure represents the most important category for climate tech investment and sources deals first by maintaining close relationships with top-tier co-investors and founders. Stage and Check Size Climate Capital operates across a spectrum of early-stage investments through multiple vehicles: Network Fund (Primary Vehicle): Quarterly subscription model with $5,000 minimum per quarter Targets 10-20 deals per quarter (50-70 per year) Check sizes of $25K per deal through syndication structure Fund structure: 2% annual management fee, 10-20% carried interest, $20K fund setup fee Minimum annual commitments of $20K qualify for discounted carry Seed Fund (New - 2024): Concentrated exposure to category-defining ventures Investment thesis: category-defining ventures across energy, industrial decarbonization, and resilience Led by experienced, technical founders with highest conviction bets More focused vehicle within broader platform The firm has strong follow-on reserves and priority access to concentrate in winners through SPVs for later-round participation. Deal Flow and Network Advantage Climate Capital's unique strength is its massive network-driven deal sourcing: 400+ portfolio companies across multiple funds 2,000+ individual LPs as of 2024 100+ top-tier co-investors including Lowercarbon Capital, Y Combinator, Congruent Ventures, Energy Impact Partners, a16z First-look deals sourced through 400+ founder network and co-investor partnerships Recognized by industry as the most active early-stage climate investor Portfolio highlights showcase successful pattern recognition: companies like Zanskar (geothermal), Remora (carbon capture), Copper (battery home appliances), Span (electric panel), Exowatt (renewable energy), and KoBold Metals (critical minerals with AI) demonstrate their focus on infrastructure plays. Recent Activity and Fund Status Climate Capital is actively deploying capital. Evidence of recent activity: May 2024 : Recognized by Pitchbook as top 10 most active VC investors in climate tech September 2023 : Axios listed as one of the busiest venture investors in climate tech December 2024 : Juniper Ventures spun out of Climate Capital to focus on synthetic biology for climate February 2025 : Featured in Forbes as one of the five most active early-stage climate tech investors The Seed Fund deployment beginning in 2024 signals actively deploying capital. Team and Governance Climate Capital operates with a distributed, specialized investment team led by Sundeep Ahuja (Founder & General Partner) and Nishant Mani (General Partner). The team includes Senior Associate Ian Campbell and specialized Venture Partners with deep domain expertise: Mike Mettler (fusion, fission, minerals, geothermal), Nick van Osdol (GHG solutions, adaptation), and Schaffer Ochstein (energy storage, mobility, grid tech). Syndicate Partners Katie Durham, Kirthika Padmanabhan, Max Wang, and Sam Runkle bring specialized expertise in critical minerals, circular economy, wildfire/insurance, and built environment respectively. Geographic Focus Climate Capital maintains US-centric focus with particular concentration in San Francisco Bay Area and California broadly. Portfolio evidence shows strong presence in California (Copper, Span, Zanskar, Bedrock Energy). Also maintains global lens with investments across North America, Africa, Europe, MENA, and Asia through syndicate partnerships. Track Record and Performance Climate Capital has demonstrated strong performance metrics: Top 2% markup-over-baseline among AngelList GPs Top 20% TVPI (2019-2021 vintages) based on Carta benchmark for similar-sized funds 400+ portfolio companies generated from systematic deal sourcing $50M+ assets under management across platform 2,000+ individual investors demonstrating broad LP appeal These metrics position them as one of the top early-stage climate investors by both activity and returns. Key Differentiators Network-First Model - 400+ founders, 100+ VC co-investors creating sourcing advantage Multi-Vehicle Approach - Seed Fund, Network Fund, Syndicates, Climate Angels allowing flexibility Infrastructure Focus - Clear, opinionated thesis on climate infrastructure drives concentrated portfolio Most Active - Explicit positioning as most active early-stage climate VC with 50-70 annual deals Community Building - Climate Angels community and Insights newsletter extending beyond capital Transparent Deal Flow - LPs see all deals with valuation transparency Decision-Making and Investment Timeline Climate Capital operates through partnership governance with multiple GPs. Specialized domain expertise partners make decisions in their focus areas. Syndicate structure allows broad LP participation. Decision timeline estimated at 1-2 months for Network Fund syndications. Founder and Company Preferences Ideal Founder Profile: Technical founders with deep climate domain expertise, experienced operators, founders previously backed by top-tier VCs Sectors: Energy infrastructure (grid, nuclear, geothermal, renewables), critical minerals, carbon removal, industrial decarbonization, resilience infrastructure, built environment electrification, circular economy, agriculture and food systems Business Models: Infrastructure plays, climate hardware, industrial biotech, software enabling climate transition Technology Stacks: AI/ML for domain applications (grid optimization, materials discovery, geothermal exploration), hardware and robotics, biotech and synthetic biology

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