How Accurate is Sense? Summary of Sense Accuracy Measurements vs Utilities

[kevin1]

@o498957, you’re right - all looks good. The next thing to do is to look at a more detailed comparison between Chicopee’s kWh numbers and Sense’s. I tend to recommend looking at daily or even hourly data if your utility offers it, because that generally helps more readily pinpoint where discrepancies might be stemming from.

Here’s a step-by-step approach from the quickest and easiest to the most detailed.

So You Just Installed Your Sense and You Want to See If It's Really Working

If you can wait a little, like a month or so, you can check against your first full utility bill. OK, this one requires some patience and it may not totally work out for you for reasons I’ll touch on at the end. Take a look at your first full utility bill after you have installed Sense. That could mean a worst case wait of almost two months. @samwooly1 has posted a few comparisons on the forum showing his good results. But there’s a extra step for us solar users. Here’s my most recent NEMS (n…