http://bentasker.i2p/posts/blog/house-stuff/this-was-our-worst-powerup-to-date.html
Normally, we absorb quite a bit of energy Today though, was by far , the worst that we've had: So, what went wrong? Lots of Sunshine Today, there's been lots of sun That, of course, means that our panels were generating energy which needed to be used before we'd draw from the grid.