You won't be able to wash your clothes when you feel like, you will have to adapt to when there is spare power, like in developing countries.
Firstly, that doesn't sound like a particularly hard thing to accept if it genuinely helps. "I want to use my washing machine whenever I want" sounds like a very poor reason to destroy the environment.
However, regardless of that, this isn't new. There have been time-of-day based electricity tariffs for decades that are aimed at incentivising people to do more demanding things at particular times e.g. when industry isn't using the power. For example, https://en.wikipedia.org/wiki/Economy_7
Firstly, that doesn't sound like a particularly hard thing to accept if it genuinely helps. "I want to use my washing machine whenever I want" sounds like a very poor reason to destroy the environment.
However, regardless of that, this isn't new. There have been time-of-day based electricity tariffs for decades that are aimed at incentivising people to do more demanding things at particular times e.g. when industry isn't using the power. For example, https://en.wikipedia.org/wiki/Economy_7