OK. I’m not a large consumer.

If you were to setup a GPU cluster in your basement and consume TWs of power, the grid going down would no longer be your problem. It would become their problem! /s

.. to the same grid. If you're lucky they're to different substations.

The number of people who had "independent" fiber connections which were routed through the same channel and destroyed by the same backhoe is so high it's a meme among sysadmins.