Participated · Series C · Sep 2025

Sapphire Technologies develops and manufactures modular power generation equipment for pressure-energy projects, including its FreeSpin® In-line Turboexpanders. Led by CEO Freddie Sarhan, the company aims to drive global decarbonization by adding clean generation capacity to grids. FreeSpin units have been deployed since 2021 in assets such as high-pressure wells and natural gas pipelines and are scalable from kilowatt- to megawatt-class installations. Sapphire says its turboexpander systems help infrastructure owners maximize efficiencies, improve productivity, reduce carbon emissions, offset electrical costs, and generate cash flow. The company will use the new capital to increase capacity at its new Cypress, California manufacturing facility, grow the installed base in key geographies such as Japan, and expand into new applications. Investors in the round include Mitsubishi Heavy Industries and existing backers Equinor Ventures, Cooper and Company, and Energy Capital Ventures. Sapphire Technologies designs and manufactures energy recovery systems for hydrogen and natural gas applications, centered on its FreeSpin® In-line Turboexpander. The FreeSpin® system captures energy from gas expansion and converts it into reliable electricity without interrupting operations. Each FreeSpin® system generates about 2.6 GWh of clean energy annually and reduces atmospheric CO2e emissions by roughly 2,000 tons. The company has secured and begun development on installations in Japan and across the U.S. since launching in 2021. Led by CEO Freddie Sarhan, Sapphire positions itself as a contributor to global decarbonization. The company experienced 220% employee growth over the past year and plans continued expansion. It intends to use new funding to accelerate development of its clean energy solution. Sapphire Technologies develops, manufactures and sells energy recovery systems for industrial and commercial natural gas and hydrogen applications. Its FreeSpin In-line Turboexpanders (FIT) convert waste pressure energy from pressure reduction processes into clean electric power without interrupting operations, offsetting carbon emissions. The company is led by CEO Freddie Sarhan and is a spin-off from Calnetix Technologies, based in Cerritos, California. Sapphire recently closed a Series A funding round of undisclosed size. The company intends to use the funds to scale up manufacturing and distribution of its energy recovery systems for pressure let-down applications. The article does not disclose revenue, user metrics, or prior financing amounts.