An aussie bullion seller has one, its traded as an ERC20: https://goldsilverstandard.com/ausags
We'll beyond the currency standard of anything backed to anything at some point in the future. After all, we all need energy and calories to continue existing. Abstract concepts like value and money won't serve much purpose when there isn't enough of the other to go around.
Sorry little Jimmy, you can't run your CPAP machine, we need that energy to run AI cloud computing.
If only you had bought more EnergyTokens.
Hilarious :) I don't think they could afford the CPAP machine to begin with.