Seen on reddit and other sources:
https://old.reddit.com/r/fresno/comments/1hxqlx7/the_more_i_try_to_save_energy_the_higher_the/
Its already 50c or more per kilowatt hour… https://www.pge.com/assets/pge/docs/account/rate-plans/residential-electric-rate-plan-pricing.pdf
On top of the “The Electric Home Rate Plan includes a $15-per-month Base Services Charge”… because people were starting to get 100% of their power from solar and it was “unfair”.
You specified energy in your example, not me. And I hinted that a hookup fee would likely be dependent on the rated power capacity of the user.
It is likely that a residential crypto miner would likely need to upgrade what they can draw from the grid.