Mantained cold prompts unusually early grid alert across Alberta
![Mantained cold prompts unusually early grid alert across Alberta](https://globalnews.ca/wp-content/uploads/2022/12/Cold-edmonton.png?w=720&h=480&crop=1)
AESO issues a grid alert when the power system is under stress and it is preparing to use emergency reserves to meet demand.
AESO issues a grid alert when the power system is under stress and it is preparing to use emergency reserves to meet demand.