ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,937, issued on Sept. 1, was assigned to VESTAS WIND SYSTEMS A/S (Aarhus N, Denmark).

"Wind farm blockage" was invented by Ewan Machefaux (Tune, Denmark) and Juan Pablo Murcia (Kobenhavn N, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present invention relate to a method for determining annual energy production of a wind farm. The method comprises: receiving a definition of the wind farm; modelling the wind field of the wind farm for a plurality of freestream wind speeds in a plurality of wind directions; defining locations for virtual measurement masts upstream of upstream turbines in each wind direction at a clearance from ...