'Unexpected generation loss' led to Alberta grid alert

An "unexpected generation loss" in Alberta's power system led to a grid alert being sent out on social media on Wednesday evening, the province says. The Alberta Electric System Operator (AESO) sent out the alert at 8:12 p.m. but officials said Thursday morning no one was impacted by the problem.The information you need to know, sent directly to you: Download the CTV News App"Last night's grid alert was due to the confluence of a number of factors," said Diane Kossman, AESO senior communications