image courtesy of www.techvert.com In early June, 18 solar panels were installed on the roof of our house (a 3 kilowatt system). Over the past few days I have noticed with much excitement that we are generating more electricity than we are using every day, and it's still late winter. We currently have the old-fashioned type of meter with a dial that spins backwards when we produce more than we use - a fantastic sight! In September, ETSA (our . . .