I'm looking to develop something for the NZ smart home community to use, that could respond to the grid when it is under stress. A way for smart homes to trigger home automation which shuts off non-essential systems in their homes when EMI/grid operators need it. i.e. stop EV charging, pool heating etc.
Something like the old ripple control system but for smart homes/modern times.
It seems that currently, the practice is to use social media and press asking people to reduce power. e.g. https://www.stuff.co.nz/business/132722172/transpower-says-power-supplies-tight-as-cold-snap-moves-up-country
Wondering if the the EMI's APIs are suitable for this, is there a better alternative or is there something already planned that would best provide this?