Total has re-invested in the renewable energy storage company, which will use the funds to build its first commercial-scale production facility.

US-based grid-scale battery developer Ambri has closed a $35m series C round that featured a contribution from Total Energy Ventures, the corporate venturing unit for France-based petroleum company Total.

The round was led by family office KLP Enterprises and insurance company Building Insurance Bern, both of which participated as new investors, and existing backers Total, Khosla Ventures and Bill Gates.

Total provided an undisclosed amount of series A funding for Ambri, formerly known as Liquid Metal Battery, alongside Gates in…