I see many commercials especially now just before summer, from the power supplier, urging the customers to save power; by setting the AC temperature to “room temp” or turning off the water boiler. And I can’t understand why they would spend money on media to ask their customers to “buy less product”.
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They want you to use less so their infrastructure doesn’t melt down or burn up. If the electrical demand is at 99% and the hot summer comes and everyone turns on the air con, the demand will go up to 110%, 120% of generating capacity.
Power transformers, transmission lines are not designed to operate in an overloaded condition and will damage itself if overheated too long. Overheating causes power outages and pissed off customers and angry government regulators.
The power company may not be able to purchase anymore power from suppliers due to the generators being at capacity with no reserve left. That can lead to brownouts or rolling blackouts like what happened in California many years ago during the enron troubles.
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