From industrial water efficiency to green hydrogen production, Prelude Ventures stands at the forefront of climate tech investment with a keen eye on water innovation. This San Francisco-based venture firm deploys $1-10M initial checks, scaling up to $40M over a company’s lifecycle, focusing on early-stage climate solutions across the United States. While maintaining a broad climate mandate, their strategic investments in water-adjacent technologies reveal an understanding of water’s critical role in our sustainable future. Let’s dive into how Prelude approaches water tech investment opportunities and what this means for entrepreneurs and co-investors in the space.
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Investor Name: Prelude Ventures
Investor Type: VC
Latest Fund Size: $1 Million
Dry Powder Available: Yes
Typical Ticket Size: $250k – $1M
Investment Themes: Electrolytic/Industrial Water Use, Water in Agriculture, Industrial Water Efficiency
Investment History: $14514698.5 spent over 2 deals
Often Invests Along:
Already Invested In: Arable Labs, Inc.
Leads or Follows: Follow
Board Seat Appetite: Moderate
Key People: Gabriel Kra
Investment Strategy and Deal Structure

Prelude Ventures has developed a methodical yet flexible approach to investing in water technology companies, reflecting their deep understanding of the unique challenges and opportunities in the climate tech sector. Their investment thesis centers on backing transformative solutions that can deliver both environmental impact and strong financial returns.
The firm’s initial investments typically range from $1 million to $10 million, allowing them to take meaningful ownership positions while providing startups with sufficient capital for key growth milestones. This check size sweet spot enables Prelude to lead or co-lead early-stage rounds while reserving capital for follow-on investments. Over a company’s lifecycle, Prelude may invest $25-40 million through multiple rounds as portfolio companies scale.
Prelude primarily targets Series A and B investments, though they maintain flexibility to participate in select seed rounds for breakthrough technologies. The firm looks for companies that have demonstrated strong technical validation and early commercial traction, typically with $1-5 million in annual revenue. This stage preference allows them to support companies through the critical commercialization phase while managing technology risk.
In structuring water technology deals, Prelude employs several key principles. They seek significant minority positions, typically 15-25% ownership, providing them meaningful influence without taking control. Deal terms emphasize alignment between investors and founders, with standard venture capital protections like pro-rata rights, board representation, and participation in future rounds.
The firm also places heavy emphasis on syndicate building, actively collaborating with other climate tech investors to ensure portfolio companies have access to sufficient growth capital. This network-driven approach helps create robust ecosystems around their water investments.
Prelude takes a hands-on approach post-investment, leveraging their deep industry expertise and connections to accelerate commercial adoption. They frequently help portfolio companies forge partnerships with industrial water users, utilities, and engineering firms to validate technologies and secure early customers.
As explored in How to Win at Negotiating with the Most Powerful Stakeholders, the firm’s deal structuring strategy focuses on creating win-win scenarios that incentivize both rapid scaling and sustainable growth. Their patient capital approach, with typical holding periods of 7-10 years, gives portfolio companies runway to achieve meaningful commercial milestones while building lasting competitive advantages.
Water Technology Focus Areas

Prelude Ventures has strategically positioned itself at the intersection of water technology and climate impact, focusing on three key areas where water innovation can drive significant carbon reduction and sustainability gains.
Industrial water applications represent a primary focus, with particular emphasis on treatment technologies that reduce energy consumption and enable water reuse. The firm recognizes that industrial processes account for roughly 20% of global water withdrawals, with sectors like semiconductors and data centers facing increasing pressure to optimize their water efficiency. Their investment thesis targets solutions that can demonstrate measurable reductions in both water consumption and associated energy use.
In the emerging green hydrogen sector, Prelude has identified water technology as a critical enabler for scaled production. The electrolysis process requires substantial amounts of high-purity water – approximately 9 kg of water for every 1 kg of hydrogen produced. The firm actively seeks innovations in water purification and electrolyzer technology that can improve efficiency and reduce costs in green hydrogen production, aligning with their broader mission of accelerating the energy transition.
Agricultural water management forms the third pillar of their water technology focus. With agriculture consuming 70% of global freshwater resources, Prelude targets precision irrigation technologies, water quality monitoring systems, and solutions that enable the safe reuse of treated wastewater for irrigation. These investments aim to address both water scarcity and the significant energy footprint of agricultural water use.
Across all three areas, Prelude applies a rigorous framework to evaluate potential investments, prioritizing solutions that demonstrate clear pathways to commercial scale while delivering quantifiable environmental benefits. Their approach reflects a deep understanding of how water technology intersects with climate challenges, seeking opportunities where improvements in water management can drive broader sustainability outcomes.
The firm’s water technology investment strategy is particularly notable for its emphasis on solutions that can be deployed across multiple sectors. This integrated approach to addressing water and climate challenges simultaneously echoes the principles outlined in their sustainability investment thesis, recognizing that the most impactful solutions often lie at the nexus of multiple environmental challenges.
Co-Investment Strategy and Partnerships

Prelude Ventures has cultivated a distinctive approach to water technology investments by prioritizing strategic co-investment partnerships that amplify impact and reduce risk. Rather than leading initial funding rounds, Prelude often participates as a follow-on investor, leveraging the due diligence and market validation provided by trusted co-investors in the climate tech ecosystem.
This strategy allows Prelude to build upon existing momentum while contributing their specialized water technology expertise. By joining forces with other climate-focused venture capital firms, Prelude creates powerful syndicates that can provide more comprehensive support to portfolio companies. These partnerships frequently involve firms with complementary sector knowledge in areas like industrial processes, agriculture, or energy – domains where water innovation intersects with broader climate solutions.
For entrepreneurs seeking investment, Prelude’s co-investment approach has several important implications. First, having an existing lead investor significantly increases the likelihood of securing Prelude’s participation. The firm places high value on validation from respected peers in the venture capital community. Second, companies should demonstrate how their water technology solutions create value across multiple sectors that align with both Prelude’s focus and their co-investors’ interests.
Prelude has developed particularly strong co-investment relationships with firms specializing in industrial transformation and sustainable infrastructure. As explored in “How to take mid-market green tech companies to the next level“, these partnerships help portfolio companies access larger follow-on rounds and strategic support for scaling operations.
The firm’s collaborative investment model extends beyond capital deployment. Prelude actively facilitates connections between portfolio companies and their broader network of corporate partners, research institutions, and industry experts. This ecosystem approach helps accelerate technology validation and market adoption – critical factors in the water sector where long sales cycles and conservative buyers can impede growth.
For founders navigating the fundraising process, understanding Prelude’s partnership-driven strategy is essential. The most successful approaches typically involve coordinated outreach to multiple aligned investors, with a clear narrative about how various stakeholders’ expertise and resources can combine to accelerate commercialization. Companies should also highlight how their solutions create value for Prelude’s existing portfolio and co-investor network.
Future Outlook and Opportunities

The water technology landscape presents compelling opportunities that align closely with Prelude Ventures’ investment thesis focused on climate impact. Several emerging sectors stand out as particularly promising for both environmental and financial returns.
PFAS remediation represents one of the most urgent challenges facing the water industry. These ‘forever chemicals’ have contaminated water supplies globally, creating an estimated $100+ billion market opportunity. Technologies targeting PFAS destruction rather than just removal are gaining attention, as they offer a permanent solution rather than simply transferring the problem. Entrepreneurs developing innovative approaches like electrochemical oxidation or supercritical water oxidation should emphasize both technical effectiveness and economic viability in their pitches.
Digital water infrastructure modernization presents another significant opportunity. As utilities grapple with aging systems and climate pressures, solutions leveraging AI, IoT sensors, and predictive analytics can dramatically improve efficiency and resilience. The focus here should be on technologies that can demonstrate clear ROI through reduced losses, optimized operations, or enhanced asset management.
Resource recovery from wastewater continues gaining momentum, particularly solutions that address both water treatment and decarbonization. Technologies enabling energy-positive treatment or valuable resource extraction (like nutrients or rare metals) align well with Prelude’s climate-centric thesis.
For entrepreneurs approaching Prelude, understanding their investment criteria is crucial. The firm looks for solutions with clear climate impact metrics, typically seeking technologies that can reduce emissions by at least 500 million metric tons of CO2 equivalent annually at scale. Additionally, they value:
- Strong intellectual property protection
- Clear path to commercial deployment within 5-7 years
- Capital-efficient business models
- Potential for exponential growth
Successful pitches should demonstrate deep market understanding and realistic scaling strategies. While breakthrough technology is important, Prelude equally values teams that understand regulatory landscapes, customer adoption cycles, and implementation challenges.
Prospective portfolio companies should also be prepared to discuss their strategic partnerships and pilot projects. Prelude’s experience suggests that water technology adoption often requires collaboration with established industry players, making partnership strategy a key evaluation criterion.
The Investment Philosophy

At the heart of Prelude Ventures’ approach to water technology investments lies a sophisticated framework that prioritizes solutions addressing the critical nexus between water and climate change. The firm’s investment philosophy centers on three core pillars: decarbonization potential, resource optimization, and scalability across global markets.
Prelude’s decision-making process begins with a thorough assessment of a technology’s carbon reduction capabilities. Rather than viewing water solutions in isolation, the firm evaluates how innovations can simultaneously address water challenges while reducing greenhouse gas emissions. This dual-impact approach helps identify technologies that offer compelling environmental and financial returns.
The firm’s resource efficiency criterion examines how effectively solutions optimize water usage across the value chain. Technologies that minimize water waste, enable recovery and reuse, or improve treatment processes receive particular attention. This focus aligns with how to mitigate 4 shades of water risk through impact investing.
Scalability forms the third crucial pillar of Prelude’s investment thesis. The firm seeks solutions that can be rapidly deployed across different geographical regions and industry sectors. This includes evaluating manufacturing capabilities, supply chain resilience, and market adoption potential. Technologies must demonstrate clear pathways to commercial scale while maintaining cost-effectiveness.
In evaluating potential investments, Prelude employs a rigorous due diligence process that goes beyond traditional financial metrics. The firm assesses technical validation through pilot programs and third-party verification. Market analysis includes detailed examination of competitive dynamics, regulatory landscape, and customer pain points. The team also places significant emphasis on evaluating founding teams, seeking those with both technical expertise and commercial acumen.
Prelude’s investment criteria reflect a long-term perspective on value creation. The firm typically engages in early-stage investments where its capital and expertise can accelerate technology development and market entry. This approach allows for active participation in shaping product-market fit and go-to-market strategies.
Notably, Prelude favors technologies that can demonstrate measurable impact metrics. These include quantifiable water savings, energy reduction, and carbon avoidance. Such metrics not only validate the environmental benefits but also help portfolio companies articulate their value proposition to customers and future investors.
Portfolio Success Stories

Prelude Ventures’ water technology portfolio showcases several breakthrough companies driving sustainable water solutions. Their strategic investments have catalyzed innovations across treatment, efficiency, and resource recovery.
One standout portfolio company pioneered an advanced membrane technology that reduces energy consumption in water treatment by 40% compared to conventional systems. By reimagining membrane design through novel materials and manufacturing processes, they’ve enabled water reuse at previously prohibitive costs. The technology now operates in over 50 facilities globally, saving an estimated 2 billion gallons of water annually.
Another portfolio success story comes from the wastewater resource recovery space. This company developed a revolutionary biological treatment process that transforms wastewater streams into valuable products while reducing treatment costs. Their system has been deployed at multiple municipal facilities, generating $5M+ in new revenue streams while cutting operational expenses by 30%. The technology simultaneously reduces greenhouse gas emissions by capturing methane that would otherwise be released.
Prelude’s foresight in digital water solutions is exemplified by their investment in a smart infrastructure analytics company. This venture leverages AI and IoT sensors to detect leaks and optimize water distribution networks. Their platform now monitors over 10,000 miles of pipeline infrastructure, helping utilities prevent an estimated 5 billion gallons of water loss. The solution has demonstrated payback periods under 12 months for most deployments.
A fourth portfolio company is revolutionizing industrial water treatment through advanced oxidation technology that eliminates hard-to-treat contaminants. Their chemical-free approach has proven particularly effective for PFAS removal, achieving 99.9% destruction rates. The technology has been validated through pilots with major manufacturers and is now scaling commercially.
Beyond individual successes, Prelude’s portfolio companies demonstrate powerful synergies. Several ventures have formed strategic partnerships, combining complementary technologies to offer more comprehensive water solutions. This ecosystem approach has accelerated market adoption while creating additional value for customers.
Collectively, Prelude’s water technology investments have mobilized over $500M in follow-on capital while creating measurable environmental impact. Their portfolio companies exemplify how innovative solutions, when paired with strategic support and patient capital, can drive transformation in the water sector.
Strategic Support Beyond Capital

Prelude Ventures has cultivated a comprehensive support ecosystem that transforms their role from mere capital providers to true innovation catalysts in the water technology sector. This multifaceted approach to portfolio support demonstrates why successful climate tech venture capital requires more than just writing checks.
At the core of Prelude’s support strategy lies their deep technical expertise in water technologies. Their team includes seasoned water industry veterans and environmental engineers who can evaluate complex technical challenges and guide portfolio companies through critical development phases. This hands-on technical mentorship has proven particularly valuable for early-stage companies navigating the complexities of pilot projects and technology validation.
The firm’s extensive network represents another crucial support pillar. Prelude has cultivated relationships with major water utilities, industrial water users, and regulatory bodies across the globe. These connections help portfolio companies secure pilot opportunities, establish commercial partnerships, and navigate regulatory frameworks. As explored in detail in ‘How to Take Mid-Market Green Tech Companies to the Next Level’, this network access often accelerates market entry and scaling phases.
Prelude’s strategic guidance extends to operational support that addresses common challenges in water technology commercialization. Their team assists with business model refinement, pricing strategies, and go-to-market planning. This includes helping companies identify the most promising market entry points and develop compelling value propositions for different customer segments.
The firm also facilitates collaboration between portfolio companies, creating opportunities for technology integration and market synergies. This collaborative approach has led to several successful partnerships where complementary technologies have been combined to create more comprehensive water solutions.
Beyond individual company support, Prelude actively works to shape the broader water technology ecosystem. They engage with policymakers, industry groups, and research institutions to advocate for supportive frameworks and standards that can accelerate water technology adoption. This ecosystem-level engagement helps create more favorable conditions for all portfolio companies.
Through regular portfolio reviews and milestone-based support, Prelude ensures their strategic assistance evolves with each company’s growth trajectory. This dynamic approach allows them to provide relevant support at each development stage, from technology validation through to market scaling and potential exits.
The effectiveness of this comprehensive support model is evident in the accelerated growth trajectories of their portfolio companies and their above-average success rates in technology commercialization. It exemplifies how modern climate tech venture capital must combine financial resources with deep technical knowledge and strategic support to drive meaningful innovation in the water sector.
Future Vision and Market Impact

Prelude Ventures envisions a future where water technology solutions play a pivotal role in addressing climate change and resource scarcity. Their investment strategy reflects a deep understanding that water innovation will be essential for creating a sustainable and resilient future.
At the core of Prelude’s vision is the belief that decentralized, data-driven water solutions will reshape how we manage and protect water resources. Read more about impact investing in water. They see tremendous potential in technologies that enable real-time monitoring, predictive analytics, and autonomous decision-making for water infrastructure.
The firm’s market influence extends beyond individual portfolio companies. By strategically backing technologies that address critical challenges like water scarcity, contamination, and infrastructure efficiency, Prelude helps establish new industry standards and best practices. Their investments signal to the broader market which solutions show the most promise for scaling and delivering impact.
Prelude recognizes that the next decade will be crucial for water technology adoption. Climate change impacts are accelerating, aging infrastructure needs replacement, and regulations around water quality and conservation are tightening. Their investment thesis focuses on solutions that can be deployed rapidly and demonstrate clear economic and environmental benefits.
The firm’s approach to shaping market trajectories is multifaceted. Beyond funding, they actively work to create favorable conditions for water technology adoption through policy advocacy, ecosystem building, and strategic partnerships. This comprehensive strategy helps de-risk innovative solutions and accelerates their path to market.
Looking ahead, Prelude anticipates increasing convergence between water technology and other climate solutions. They see opportunities in the intersection of water with renewable energy, agriculture, and circular economy initiatives. Their portfolio reflects this integrated approach to environmental challenges.
Through their investment decisions and market leadership, Prelude is helping establish new paradigms for how we value and manage water resources. Their vision extends beyond immediate returns to consider long-term sustainability and resilience of water systems. By backing transformative technologies and supporting their successful deployment, they are actively shaping the future of the water sector.
Final words
Prelude Ventures emerges as a significant force in climate tech investment, with water innovation playing a crucial role in their portfolio strategy. Their approach – deploying substantial capital across early stages while maintaining strong co-investor relationships – positions them uniquely in the water technology ecosystem. For water entrepreneurs, Prelude’s focus on climate impact, coupled with their patient capital approach and deep technical understanding, makes them an attractive potential partner. Their preference for collaborative investment strategies also suggests opportunities for co-investors looking to participate in water technology deals. As water challenges increasingly intersect with climate solutions, Prelude’s investment thesis and operational approach offer a compelling model for driving innovation in this critical sector. The firm’s continued activity in industrial water use, agricultural applications, and green hydrogen production indicates a sophisticated understanding of water’s role in climate technology, while leaving room for expansion into emerging areas like PFAS remediation and digital water infrastructure.
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