Thursday, December 30, 2021

Battery Storage ROI Analysis

 It's been a while since my last post and I'm taking my occasional blog in a different direction.

Over the years I've learned that utility tariffs, although hard to follow, vary widely. They can have a significant financial impact on behind-the-meter activities, depending on the numbers.

The map below shows the return on investment for batteries behind a commercial meter in each zip code.  

It is interesting to note that most of the higher value markets are in non-choice states.

Sources and assumptions:

  • Utility Rates by Zipcode:
  • Cost of battery storage $1500 / kW: