Mika Marjalaakso

Money Moves

Co-founder

Every time electricity changes form, from the alternating current on a grid to the direct current a server rack or battery needs, some of it escapes as heat. Vensum Power, a 20-person company in Helsinki, says its software-controlled converters hold that loss to 3–5%, against 7–10% for conventional hardware. On November 6, it raised €9 million to start building them in volume.

Updated Yesterday