Cars are the big one. However even heating is going electric (heat pumps, not resistive). Induction stovetops outperform residential gas cooktops. Some cities are even experimenting with phasing out natural gas hookups for new construction.
It all adds up, and it a good thing. It doesn’t explain 100% of the growth but it’s a lot of it.
> Amercian industrial base is being restored, that more and better services are being provided (better healthcare, inexpensive and healthy food, comfortable, efficient and inexpensive transportation).
Trying to put concepts like “better healthcare” on to the growth of electricity demand is unrealistic but generally speaking we’re putting electricity to good use. It’s not being wasted.