said by pandora:Shouldn't the limit vary by home size and number of people residing in it?
It kind of does here. The utility sets a baseline amount that is based in part on the type of home, whether gas or electricity is used for hot water and heating as well as the climate zone it is located in (determining the number of heating or cooling days). That calculated baseline amount is less (50-60% in summer, 60-70% in winter) then what a typical home would consume as "an incentive to conserve energy" meaning that nearly everybody pays more then tier 1 rates (up to 100% of baseline). In total there are 5 tiers with pricing going up significantly after tier 2 (101% to 130% of baseline).
From personal experience it is no problem at all to get into tier 5 (over 300% of baseline).
Shouldn't it get cheaper if you buy in bulk ?