During a rotating outage AESO directs distribution facility owners like municipalities to reduce power on a pro-rata basis across the province. It said critical facilities such as hospitals, fire, police and first responders are not included in rotating outages. Outages would be expected to last 30 minutes.
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Neudorf’s office offered tips to reduce energy usage during the alert:
- Turn off unnecessary lights and electrical appliances;
- Minimize the use of space heaters;
- Delay the use of major power-consuming appliances such as washers, dryers and dishwashers;
- Delay charging electric vehicles and/or plugging in block heaters;
- Cook with your microwave, crockpot or toaster oven instead of an electric stove or oven;
- Limit the use of kitchen or bathroom ventilation fans;
- Work on a laptop instead of a desktop computer (laptops are more energy-efficient than desktop units);
- Unplug electric appliances when not in use, as they continue to drain energy even if they’re off (or use a power bar to cut power to multiple appliances with a single button);
- Close your curtains/shades/blinds to cover drafty windows
Andrew Leach, an economics and law professor at the University of Alberta specializing in energy issues, said Saturday evening that extreme cold temperatures combined with outages at two gas plants, little solar and wind generation and limited power imports from B.C. and Saskatchewan.
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Leach noted Alberta hit a new demand record of 12,384 megawatts on Thursday with no suggestion the system could face major strains in the coming days.
He said wind was contributing around 1,000 MW on Thursday, but that AESO would have had forecasts indicating lower wind generation in the coming days. No one involved would have expected solar generation at 7 p.m. on a January evening, he added.
“What was it that the AESO was expecting would get us through the winter (demand) peaks right now? Were these winter peaks tremendously higher than expected? It was a couple hundred MW higher than December 2020. When AESO said earlier this week everything’s going to be fine as far as we can tell, what changed between now and then?”
Leach said outages at the Milner and Sundance 6 gas generating stations would have taken a few hundred MW offline.
“It’s a material amount of generation, but we shouldn’t be that precarious, where one gas plant, urgent outage and one gas plant down for maintenance puts us to emergency, alerts on our phones and (potential) rolling blackouts.”
He added that a new gas generating facility, the 900 MW Cascade Power Project near Edson, is in the commissioning stages and has been intermittently supplying power to the grid.
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2024-01-14 04:30:00Z
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