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TheMG
Premium
join:2007-09-04
Canada
kudos:3
Reviews:
·NorthWest Tel
reply to pandora

Re: The renovation continues ... today new 400 amp service!

Strange as it may seem, it's cheaper for the utility to deal with the occasional overloaded transformer (and replace the failed transformers with a larger one), than to preemptively upgrade transformers "just in case" the load might be too much.

The average power consumption of most homes is well below their service capacity.

Also it is unlikely that all the homes will have peak consumption occurring at the same exact moment. Heating, A/C, and HWH will cycle at different times and people will be running their electric ranges and clothes dryers at slightly different times than other people.