ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,704, issued on June 16, was assigned to HITACHI ENERGY LTD (Zurich, Switzerland).

"Distributed ledger for transacting with grid constraints to ensure grid stability" was invented by Thomas Locher (Zurich, Switzerland), Yvonne-Anne Pignolet (Zurich, Switzerland), Alexandre Oudalov (Fislisbach, Switzerland) and Sebastian Obermeier (Rietheim, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A for ensuring grid stability by using a distributed ledger, the method comprising the steps: measuring metrics from a plurality of distributed energy resource, DER, wherein said metrics are related to grid stability; storing (a) said metrics/measurements ...