@sandichapman,
Thanks for more explanation. I thought you were seeing power quality issues in the Power Quality tab, since that’s the topic of this thread. Seems like you are really experiencing unexplained usage that shows up in both your Idaho Power data and Sense. There are bunch of postings on the community about that kind of topic as well. If you want, I can this to a new topic end where people might be able to give you suggestions, especially if you can post views of the power meter when you think your mystery load switches on.
Here’s one of the more interesting, but solved, mystery loads from the past: