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| quote: | Originally posted by c-mal
I really doubt it's pennies they're dealing with, but I'll take your word for it, since you seem to have more experience with this topic. |
I actually do have experience with this topic and it really does cost pennies to keep your lights on. In my apartment, for example, with all the lights turned on, I'm sucking up about 500 W total of power, which for 1 hour is 0.5 kWh or about 3 cents of electricity.
Commercial buildings obviously require substantially more light, but are almost all fluorescent lighting, so they might be using a few kW for the lights. Still, pennies - less than 25 cents to run the entire building for an hour and maybe a few dollars for the whole day.
Usually what chews up power at an office building is:
(a) the HVAC system - that's the biggie of course, and most businesses have a programmable thermostat in order to save money, forget about electricity.
(b) Server computers, which obviously cannot be turned off, nor can any of the networking equipment, backup power supplies, etc. used to keep them running;
(c) Workstations, which typically only run at 100-150 W but that adds up when you have 200 of them. "Power-conscious" businesses may have them shut down or put into sleep mode.
It's all peanuts, really. There's only one thing that's going to cut Ontario's power demand; it's not a "dark city" and it's not silly gimmicks like Earth Hour to "raise awareness". It's to stop sheltering consumers from the true cost of electricity. Most consumers in this province are paying heavily subsidized rates and several residential consumers aren't paying at all. I wouldn't be surprised if half the people posting in this thread live in a rental building where electricity is included in the rent, and have no clue at how much they actually use or what it costs.
Anyway, I won't get into a whole essay about that, but if every consumer had to start paying the market rate for electricity, then demand/consumption in the residential and small business sectors would drop by up to 60%, possibly more.
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