Renewable energy doesn't have fuel cost. Therefore its cost structure is similar to broadband. Which means that it should be possible to build energy networks that have fixed monthly price.
What got me thinking was this article. https://ourworldindata.org/world's-energy-problem Solution as a soundbite:"Unmetered energy will make energy poor energy rich".
Then I read this: https://ourworldindata.org/cheap-renewables-growth