Why in the name of sanity have they included Tristan da Cunha in their list of expatriate territories? It's uninhabited!
It was only uninhabited for a brief period after the volcano erupted in 1961. Many residents returned a couple of years later and there are over 200 people on the island today. http://www.tristandc.com/
I don't see a switchmode power supply for example reducing its power consumption on reduced voltage.
Then we have the situation with some heating appliances, say an oven. To get to the same temperature that it did at 240V, the element will have to stay on for a longer period when the supply is 230V.
Which are clearly points that the originator of the petition doesn't understand. It seems to me that he's just worked out his 8% saving figure from the reduction in power when going from 240 to 230V across a constant resistance.
This porposal was flown awile back and fissiled here in the US.
Just for anyone across the Pond not aware of the history behind this, the only reason that our supplies are now listed officially
as 230V is because of European "harmonization." That's how -- as the petitioner outlines -- we ended up with the weird asymmetrical tolerance of 230V +10/-6%, because it allowed us to say "Hey look, we're on 230V now" without actually changing anything from our existing 240V +/-6% specification.