“The energy requirements of a good life are surprisingly low. New research finds that more energy consumption (beyond about 75 gigajoules per person per year for most metrics) no longer contributes to greater well-being.”

=21.000kWh, the lowest first line on your Energy use per person graph!

source: https://www.anthropocenemagazine.org/2022/04/the-energy-requirements-of-a-good-life-are-surprisingly-low/