Fund II: Second fund deploying $400-$600k seed-stage cheques into low-capex climate-tech companies across renewable… Grant
In context
This call is open to startups and small and medium-sized businesses, at seed stage. Funding is an equity investment of Up to $600,000. Coverage is read from the notice itself: any country.
Seed-stage investment fund deploying $400–600k cheques into low-capex climate-tech companies across renewable energy, transport electrification, building decarbonization, and climate resilience. The fund offers hands-on founder support and active portfolio management.
About this grant
Thin Line Capital is a venture investor led by serial climate-tech entrepreneur Aaron Fyke, deploying its second fund into seed-stage companies. The fund invests $400-$600k cheques into low-capex companies in renewable energy, electrification of transport, and climate resiliency. The thesis argues that decarbonisation is a major economic opportunity, citing growth in renewables, EV adoption, decarbonising the built environment through software and data tools for logistics and construction waste reduction, and demand for climate resiliency solutions such as sensing, predictive analytics and IoT. The firm positions itself as an active investor. Partners act as advisors and mentors to founding teams, drawing on technical and engineering knowledge and prior operating experience. The portfolio is intended to be concentrated, with a small number of select companies in domains where the team has deep experience. The page describes investment focus and team but does not set out an application process, grant programme, or formal call for proposals.
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Eligibility
The page does not state formal eligibility rules. The stated focus is seed-stage, low-capex companies in renewable energy, electrification of transport, and climate resiliency, with cheques of $400-$600k. No geographic restriction on investee companies is stated on the page, though the firm is based in Pasadena, California.
How it's scored
The page does not describe how investment opportunities are assessed. It notes that the firm invests in sectors where it has deep domain experience and emphasises founder partnership, but no scoring criteria or panel process are given.
Key requirements
- ✓Low-capex climate-tech business model
- ✓Focus on renewable energy, transport electrification, built-environment decarbonization, or climate resilience
- ✓Seed-stage company ready for $400–600k investment
- ✓Founder engagement and hands-on support alignment
Funder contact
The notice names a programme contact you can speak to before applying.
Frequently asked questions
- How much funding does Thin Line Capital offer?
- Fund II: Second fund deploying $400-$600k seed-stage cheques into low-capex climate-tech companies across renewable… offers up to $600K.
- Who can apply for Fund II: Second fund deploying $400-$600k seed-stage cheques into low-capex climate-tech companies across renewable…?
- Eligibility covers organisations in GLOBAL; startup, sme. See the eligibility criteria above for the full conditions.
Relevant sectors
About this sector
Renewable energy funding covers solar, wind, hydropower, geothermal and bioenergy, from early research to grid-scale deployment. Public money tends to back demonstration, grid connection and access to energy in emerging markets, while procurement notices buy installation, operation and maintenance. Calls often ask for proof of resource assessment, permitting progress and local partners.
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