As has been previously discussed on this blog, the renewable energy source that shows the greatest promise for generating the power needed to support economic growth is ultradeep geothermal.
This JPT article nicely describes the opportunities and challenges
Good comparison of drilling into hard basement rock with conventional and millimeter wave (microwave) technologies:
Quaise Energy’s first full-scale testing of a hybrid drilling rig combining conventional rotary drilling and millimeter wave drilling capabilities is scheduled for 2024.
Bud's Offshore Energy (BOE) 
Did they ever actually do that 100-1 hole? Or the 10x hole? I haven’t found a press release to that effect. I think it was 2022 when they said they’d do that in 2023. Your blog came up when searching for it.
They are now saying 2024. I’ll be posting an update next week.