Per the AESO, the problem seems to be due to the Cascade 1 and Cascade 2 gas generators both being offline. Only last year, Danielle Smith disparaged solar as being unreliable, touting gas as being “more predictable”.
The AESO declared a Grid Alert at 8:25 p.m. on Monday, July 8, 2024. Find information on Grid Alerts here https://t.co/OX5JR5UKCI pic.twitter.com/pGagofey1C
— AESO (@theAESO) July 9, 2024