Sustainable Finance

Sapphire Technologies raises $10 million for turboexpander energy recovery

ESG Broadcast Desk· 18 Aug 2023· 1 min read

Sapphire Technologies closed a $10 million Series B round to commercialise its FreeSpin In-line Turboexpander for hydrogen and natural gas energy recovery. The development reflects growing investment in waste-energy recovery technologies relevant to decarbonising industrial gas value chains, including in India.

Sapphire Technologies, which specialises in energy recovery systems for hydrogen and natural gas applications, closed a $10 million Series B round led by Energy Capital Ventures, with Marathon Petroleum, Chevron Technology Ventures, Equinor Ventures, and Cooper and Company participating. The funds will expedite commercialisation of its FreeSpin In-line Turboexpander, with forecasts indicating production will surge 400% by year-end. Each FreeSpin system generates 2.6 GWh of clean energy annually and reduces atmospheric emissions by 2,000 tons of CO2e.

Natural gas and hydrogen operators are directly affected, as the turboexpander recovers otherwise-wasted energy across the gas value chain. The investment aligns with a clean energy technology market projected to reach USD 650 billion annually by 2030. Founded in 2021, Sapphire has secured installations in Japan and across the United States and expanded its workforce 220% over the past year. CEO Freddie Sarhan cited strategic partnerships with leading energy and venture firms supporting global deployment of the technology.

Indian gas utilities, hydrogen developers, and industrial operators should monitor Sapphire's commercialisation as production scales 400% by year-end and the technology expands into new markets. Companies pursuing decarbonisation of the natural gas value chain can evaluate turboexpander energy recovery, given each unit's 2.6 GWh annual clean energy output and 2,000-ton CO2e reduction. Stakeholders should track adoption rates as backers signal this as an opportune moment for higher uptake of the technology.

Key figure — Series B raised: $10 million led by Energy Capital Ventures

This content is AI-assisted and reviewed by the ESG Broadcast editorial team. It is for informational purposes only and is not investment or ESG-rating advice. See our Technology & Transparency policy.

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Sapphire Technologies raises $10 million for turboexpander energy recovery | ESG Broadcast