SDG #7 is to “Ensure access to affordable, reliable, sustainable and modern energy for all.”
Within SDG #7 are 5 targets, of which we here focus on Target 7.3:
By 2030, double the global rate of improvement in energy efficiency
Target 7.3 has one indicator:
Indicator 7.3.1: Energy intensity measured in terms of primary energy and GDP
The global energy intensity in 2020 was $4.54 of economic value produced per megajoule of energy used. This was down a little from the figure at the adoption of the SDGs in 2015 of $4.83 per megajoule. But it's still far from the doubling of improvement required for this target, which would be a halving of the energy intensity.