It was a wild and windy night, as a cold front blew away yesterday’s warm temperatures. Our solar tracker is designed to protect itself by going flat when there are gusty or strong winds, and that’s how I found it this morning.
You can see the anemometer at the far-right corner, which is on a gimble so it can measure horizontal wind speed even as the tracker tilts.
That picture was taken about two hours ago. It’s now quite sunny, and still windy; the tracker is still flat (and thus not pointed at the sun), but still generating enough power to serve the house, charge the battery, and feed the grid: