My lifetime (from Late June -Dec 21, 2020) was 244 Wh/mi. After averaging 259 Wh/mi across the winter, my lifetime is 250. While I did preheat often, which helps lower apparent consumption, I'm very happy with how efficient the MY is in the winter. The heatpump clearly makes a big difference.
Dec 21, 2020
First day of spring 2021.
Dec 21, 2020
First day of spring 2021.