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Startup Portfolio: Long-duration Storage

Climate Technology Startups

Third Derivative is proud to present the world's most impactful climate tech startups. 

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Allegro

Developing low-cost energy storage solutions for many applications ranging from fast frequency response (FFR) and over electric mobility, to long-duration energy storage (LDES).

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Antora Energy

Building inexpensive long-duration energy storage using high-efficiency thermophotovoltaics.

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Cache Energy

Developing long duration energy storage technology that can be safely installed anywhere and transported everywhere.

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Energy Dome

Developing a low-cost and efficient system for long-duration electricity storage using liquid CO2.

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Phelas

Making the sun shine at night by building low cost, scalable, and sustainable long duration energy storage and making it easy to calculate expected risk and returns of projects.

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XL Batteries

Developing a novel chemistry for a 20+ year, non-flammable flow battery.

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Zinc8 Energy Solutions

Developing innovative battery technology that uses zinc and air as fuel, resolving the intermittent and unpredictable nature of renewable sources.

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