It’s hard to believe that it was a year ago when we added a Chevy Volt to our garage. A key factor in that decision was that we were generating excess electricity from the 41 solar panels we put on our house in 2011. With a year of driving and the odometer just over 15,000 miles, would I change that decision? Not for a second; having a plug-in vehicle has worked out tremendously well for us, mainly because we’re the right target audience for such a car.

Clearly it helps that we effectively pre-paid for most, if not all of our electricity with the solar panel project. You can view the real-time and historical statistics of the system here but long story short: The system generated 12.9 MWh of electricity from this time last year to the present. Even with the addition of the Volt(s gm), we’ve only…