2022 is the worst year on record for the amount of EV charging covered by the roof top solar array. The reason why may surprise you.
Geeky Details of Energy Distribution and Production
16A ChargePoint: 2.2MWh over 324 sessions
32A ChargePoint: 2.4MWh over 204 sessions
50A ChargePoint: 3.21MWh over 160 sessions
Total charging: 7.7MWh over 688 sessions
Total Solar Production: 4.4MWh
What changed?
in 2021 the 4.3kW solar array handled 75% of all energy used for charging. But since that time we had my best friend move into our basement apartment with his Chevy Volt, and later he acquired a 2020 Zero SR/F motorcycle. His husband was discharged towards the end of 2022 and he plugs in his Ford CMax Energi on a daily basis (when he isn’t off driving a semi truck). But what really tipped the scales was the 2010 Chevy Volt that I picked up in Feb of 22. We picked up the car with 195k and sold it with 201k.
We also had more visitors with plug in vehicle this year, but it’s hard to give a precise figure for their usage. I’m optimistic that in 2023 we will move back north of 70% offsetting, if only because I won’t be relying on the big battery Audi for out of town trips.
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