Open Circuit: Pain and Resilience for Climate Tech Investors
Latitude Media, Released June 27, 2025

Introduction

In the June 27, 2025 episode of Open Circuit, hosted by Stephen Lacy of Latitude Media, industry veterans delve into the tumultuous landscape of climate tech investing. Joined by co-hosts Katherine Hamilton of 38 North Solutions and Jigar Shah of Multiplier, along with special guest Kim Zhu, CEO and co-founder of Sightline Climate, the discussion navigates the challenges and opportunities that investors face amid policy uncertainties and a shifting global investment landscape.

Current Investment Climate in Climate Tech

The episode opens with a candid discussion about the current state of venture investing in clean technologies, highlighting a significant decline in investment activity compared to previous years.

• Kim Zhu shares insights from Sightline’s latest survey, noting a 19% decline in investments in the first half of the year compared to the prior period:

  “[08:00] Kim Zhu: We've seen investment decline about 19% relative to the prior half year.”

• Keith Pearl, an unnamed speaker, elaborates on the mixed sentiments among investors, emphasizing themes like resilience and opportunity despite the downturn:

  “[05:30] Unnamed Speaker: Reckoning and survival are prominent, but optimism and opportunity also feature in smaller print.”

• Jigar Shah adds a perspective on the abundance of opportunities, especially for seasoned investors able to navigate the downturn:

  “[07:34] Jigar Shah: There's a lot of opportunity... you can now put money into those companies and get a piece of what they're doing at much more opportunistic costs.”

This section underscores the resilience of experienced investors and the strategic opportunities that arise even in challenging times.

Policy Uncertainty and Its Impact

A significant portion of the conversation centers on policy uncertainty and its repercussions on climate tech investments.

• Kim Zhu identifies tariffs as the most impactful policy concern, with 41% of survey respondents citing them as a primary fear:

  “[11:36] Kim Zhu: Tariffs were causing the most fear, followed by the Inflation Reduction Act (IRA) and reconciliation uncertainties.”

• The discussion highlights ongoing legislative battles, particularly around the IRA repeal and reconciliation bill:

  • Katherine Hamilton provides an update on the Senate’s efforts, describing the bill as a “death match” influenced more by political positioning than clean energy considerations:

    “[13:43] Katherine Hamilton: It's more about political positioning... there's a lot of uncertainty on where the tax credits will land.”

• Stephen Lacy timestamps the discussion to emphasize the immediacy of policy decisions:

  “[16:03] Stephen Lacy: We are talking midday Wednesday, this will come out Friday morning.”

• Jigar Shah criticizes the influence of non-experts on policy decisions, highlighting the confusion and unpredictability:

  “[16:27] Jigar Shah: It's a funky time where influential but uninformed individuals are swaying policy decisions, leaving investors uncertain about the future.”

This segment illustrates how policy volatility is creating a landscape of uncertainty, compelling investors to reassess their strategies and focus on policy-resilient business models.

The Missing Middle: Funding Gaps in First of a Kind Projects

A critical theme explored is the “missing middle” in funding for climate tech companies, particularly those at the First of a Kind (FoAK) stage.

• Kim Zhu defines the missing middle as the $45 to $100 million funding gap that is too large for venture capital but too small for traditional infrastructure investors:

  “[34:27] Kim Zhu: The FoAK phase requires $45 to $100 million, which is too much for venture capital but too little for infrastructure investors.”

• Jigar Shah emphasizes the exit challenges faced by investors, questioning who will buy these companies after significant investment:

  “[40:40] Jigar Shah: Investors are unsure who will buy these companies after investing $45 to $100 million, leading to hesitancy and potential stagnation.”

• Katherine Hamilton adds that without Department of Energy (DOE) support, many FoAK projects are at risk of failing due to the lack of necessary funding:

  “[37:28] Katherine Hamilton: The closure of DOE programs exacerbates the missing middle, leading to contract walkaways and project cancellations.”

• Kim Zhu highlights innovative funding structures emerging to address this gap, such as non-dilutive capital and project preferred equity:

  “[43:11] Kim Zhu: Capital structures like non-dilutive loans and project preferred equity are being explored to bridge the missing middle without further diluting ownership.”

This discussion underscores the critical funding shortfall that hinders the scaling of innovative climate technologies, emphasizing the need for creative financial solutions.

Shifting Investment Focus: Europe and Beyond

Amid uncertainties in the US market, investors are increasingly looking towards European and global markets for climate tech opportunities.

• Kim Zhu observes a shift in Climate Week attendees, with investors from the US, Middle East, Asia, and Canada exploring European markets:

  “[04:16] Kim Zhu: There's a significant pullback in the US, and investors are seeking opportunities in Europe, viewing London Climate Week as a new convening hub.”

• Jigar Shah discusses how countries like the UK and Australia are actively attracting US companies with favorable policies and resources:

  “[26:00] Jigar Shah: Nations like the UK and Australia are launching initiatives and allocating substantial funds to attract US climate tech companies, fostering a competitive global investment environment.”

• Katherine Hamilton notes that fewer EU companies are seeking US capital, making Europe a more attractive destination for investment:

  “[24:54] Katherine Hamilton: EU companies are increasingly hesitant to move to the US, making Europe a hotspot for climate tech investments.”

• Kim Zhu points out the challenges of investing in Europe, such as higher electricity prices and regulatory complexity:

  “[26:00] Kim Zhu: Europe's higher electricity costs and complex regulatory environment pose significant challenges for scaling climate tech solutions.”

This segment highlights a geographical pivot in climate tech investments, with Europe emerging as a key market despite its inherent challenges.

The Role of AI in Climate Tech Investments

Artificial Intelligence (AI) emerges as a double-edged sword, presenting both challenges and opportunities in the climate tech sector.

• Kim Zhu explains that AI is being integrated into both operational and engineering aspects of climate tech, acting as a catalyst for innovation:

  “[51:08] Kim Zhu: AI is accelerating innovation across software and hardware, enabling rapid development and operational efficiencies.”

• Katherine Hamilton reflects on emerging technologies, noting that AI-related advancements are influencing investment decisions:

  “[48:33] Katherine Hamilton: AI integration is evident in sectors like grid technology, where it's driving demand for smarter, more efficient solutions.”

• Kim Zhu also mentions that while AI lowers the barrier to entry for pure-play software companies, it simultaneously creates opportunities for hardware and physical assets:

  “[51:26] Kim Zhu: AI's prevalence in software makes hardware-enabled solutions more attractive due to higher entry barriers and differentiation.”

• Kim Zhu further discusses how AI impacts grid enhancing technologies, leading to better investment prospects despite broader market declines:

  “[49:30] Kim Zhu: Grid enhancing technologies have seen their best quarter ever in 2025, driven by AI's role in demand forecasting and grid optimization.”

This discussion illustrates how AI is reshaping investment strategies, fostering innovation while simultaneously challenging traditional business models.

Navigating the Future: Sector Readiness and Long-term Perspectives

Looking ahead, the panel discusses frameworks and long-term outlooks for climate tech investments, emphasizing sector readiness and cultural shifts.

• Kim Zhu introduces Sightline's Sector Readiness Curve, a framework that assesses commercialization through technology readiness, financing, project deployment, demand, policy, and economics:

  “[58:37] Kim Zhu: Our Sector Readiness Curve evaluates climate tech solutions based on technology readiness, financing, deployment, demand, policy, and economic factors to measure commercialization success.”

• Jigar Shah adopts a decadal perspective, highlighting transformative changes and mainstream acceptance of climate tech:

  “[61:39] Jigar Shah: Over a 10-year cycle, we've seen remarkable growth and cultural changes, with climate tech now being mainstream in government and large capital flows.”

• Katherine Hamilton underscores the scaling of proven technologies like geothermal and distributed energy resources (DERs), driven by robust policy support:

  “[64:22] Katherine Hamilton: Technologies such as geothermal and microgrids are scaling effectively, supported by strong policy frameworks that ensure their deployment irrespective of market fluctuations.”

• Kim Zhu reiterates the importance of viewing investment trends through the lens of solution scalability rather than mere funding numbers:

  “[59:01] Kim Zhu: Success is measured by the scalability of solutions and their ability to achieve cost competitiveness, not just by investment volumes.”

• Jigar Shah emphasizes the global cultural shift towards renewable energy and decentralized solutions, citing examples from countries like Ethiopia and Pakistan:

  “[64:21] Jigar Shah: Countries like Ethiopia and Pakistan are leading transformative changes by mandating electric vehicle imports and promoting solar appliances, reflecting a global realignment towards renewable energy.”

This forward-looking analysis conveys a positive long-term outlook, underscoring the sector’s ability to adapt and thrive despite short-term challenges.

Conclusion

The June 27, 2025 episode of Open Circuit paints a nuanced picture of the climate tech investment landscape. While facing significant policy uncertainties and a funding gap in the missing middle, investors and startups exhibit resilience and adaptability. The shift towards global markets, the integration of AI, and the focus on sector readiness frameworks offer pathways for navigating the complexities of climate tech investing. With innovative capital structures and a cultural shift towards mainstream adoption, the climate tech sector stands poised for transformative growth in the coming years.

Notable Quotes

• Jigar Shah [07:34]:

  “There's a lot of opportunity... you can now put money into those companies and get a piece of what they're doing at much more opportunistic costs.”

• Kim Zhu [11:36]:

  “Tariffs were causing the most fear, followed by the Inflation Reduction Act (IRA) and reconciliation uncertainties.”

• Katherine Hamilton [37:28]:

  “The closure of DOE programs exacerbates the missing middle, leading to contract walkaways and project cancellations.”

• Jigar Shah [16:27]:

  “It's a funky time where influential but uninformed individuals are swaying policy decisions, leaving investors uncertain about the future.”

• Kim Zhu [51:08]:

  “AI is accelerating innovation across software and hardware, enabling rapid development and operational efficiencies.”

• Jigar Shah [61:39]:

  “Countries like Ethiopia and Pakistan are leading transformative changes by mandating electric vehicle imports and promoting solar appliances, reflecting a global realignment towards renewable energy.”

This comprehensive summary encapsulates the key discussions and insights from the episode, providing a clear and engaging overview for those who haven't listened to the podcast.