SPP last week produced more than 18 GW of wind energy for the first time, less than four months after breaking the 17-GW barrier.

The latest record came at 6:08 p.m. Wednesday, when wind production hit 18,259 MW. That exceeded the previous wind peak of 17,861 MW set on Dec. 11. SPP first cracked 17 GW on Sept. 30, when wind production peaked at 17,107 MW.

ERCOT holds the grid operator record with a 19,672-MW wind peak, set last January.

SPP has more than 22 GW of wind capacity.

— Tom Kleckner