Time-of-day usage billing

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There are many states, including Colorado, where the electric company has worked it out with the state regulator to be able to charge for electricity based upon the time of day.  In Colorado, the cheap time is from 7 PM to 1PM Monday through Friday, and cheap time also happens all day Saturday and Sunday and some holidays.  If one has battery storage, this is an opportunity to engage in some arbitrage.   Continue reading “Time-of-day usage billing”

Inaugural post

This is the inaugural post for this blog.

I will be writing about this system which has the following:

  • about sixteen kilowatts of solar panels
  • two inverters providing about 18 kilowatts of inverter capacity
  • two Tesla Powerwalls
  • a Tesla Backup Gateway

The system has two whole-house surge protectors installed.