Re: Load shedding ...
You might want to look into the concept of "vehicle to grid" before too long. The electric vehicles already have big batteries, and big inverters to drive the electric motors, it's not that big an extension to use the same gear to produce a few kW of 50Hz domestic-style mains rather than powering the motors.
e.g.
https://www.ovoenergy.com/guides/electric-cars/vehicle-to-grid-technology.html
(goes back as far as 2016 in Nissan's case:
https://www.enel.com/media/news/d/2016/08/energy-on-wheels-v2g-innovation-renewables-and-grids)
Biting the hand that feeds IT
