The “Powered by solar” percentage is inaccurate when looking at a time period that spans pre and post the addition of my solar sensors. It is accurate if I look at any time period spanning after my solar was added. They were added to an existing sense install.
Any time period before the install shows 100%, instead of 0%. Here is a week before adding the solar sensors:
Here is the week I installed the sensors:
Here is the month I installed the sensors:
And the year:
It does appear to be accurate for any period only following the installation of the solar monitors: