Featured in Gaining Traction – 02-2022

Charging with solar at home

Using the electrons generated on your roof to power your car may be an idea that appeals to many homeowners. However, it is not yet a given among EV chargers available in Germany. And it may not make financial sense, according to the market overview carried out by pv magazine Deutschland.

By

Michael Fuhs

11 Feb 2022

Just under 40% of the residential EV chargers in pv magazine Deutschland’s survey could be optimized to charge from rooftop solar when available, with another 20% able to do this via connection with a third-party app. | Image: Thomas Penschinski/go-e charger

One of the biggest differences between residential EVs is in terms of solar-optimized charging. With solar-optimized charging an energy management system adjusts the charging power so that, as far as possible, charging always takes place with the surplus rooftop solar electricity.Such systems, if there is little sunshine or household electricity consumption is high, can reduce …

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