By Daniel W. Nebert Summer solstice is that time of year when our sun is “closest to directly overhead”; the next day it begins its gradual march toward winter solstice, when the angle of the sun is most oblique (for us in the Northern Hemisphere). Between June 14 and 28, Portland sees 17 hours from sunrise… Continue Reading
By Gordon Tomb – February 2, 2022 Once upon a time the job of the PJM Interconnection — operator of the nation’s largest electricity grid — was reasonably straightforward: Keep the lights on. The organization’s mission statement still identifies PJM’s “primary task” as ensuring the power grid’s “safety, reliability and security.” However, today’s PJM is… Continue Reading
