if you have the choice, you'd have to run the numbers, but then you create adverse selection issues. (Technically you can choose a tiered pay X for first kWh a

if you have the choice, you'd have to run the numbers, but then you create adverse selection issues. (Technically you can choose a tiered pay X for first kWh and then X+Y above that in my system, but if you're in a building, the building gets to decide which of the two every user is put on)