"Mae'r batri'n wych, mae'n storio'r trydan o'r to ar gyfer pan fydd ei angen arnom. Mae gen i ap ar fy ffôn hefyd er mwyn i mi allu rheoli'r gwres a'r dŵr poeth pan fyddaf oddi cartref i arbed hyd yn oed mwy o ynni.
“The battery is fantastic, it stores the electricity from the roof for when we need it. I also have an app on my phone so that I can control the heating and hot water when I am away from home to save even more energy.