Last year I used 3,898 kWh from 11/12/21 - 03/14/22, averaging $236 per month.

I only had two minisplits at the time and I was still using my electric resistance baseboards in my master bedroom and full bath. Every other space had coverage from a minisplit. I worked from home on my dining room table upstairs. Kept temperature at 70°F during the day, low 60s at night. Kept second bedroom low 60s unless I was in there for a long time, master bedroom was kept at 58°F all the time because all I did in there was sleep so I had lots of blankets. Full bath was kept at 60°F.

This year I got a third minisplit for my condo and put it in my master bedroom. I moved my work from home setup into my master bedroom, re-arranged room. Contractor said to not change temperature more than plus or minus 3 degrees. He said minisplits like to run all the time, more efficient that way. I basically kept all rooms at 70°F during day and 67°F at night. I haven't had a full winter doing this yet, but my most recent bill was $229. My entire place is way more comfortable.

For comparison, the year before I put in minisplits I used 4,792 kWh during that same timeframe and never set the electric resistance baseboards higher than 64°F.

And going back to when I moved in I used 6,799 kWh over that same period. This was before I did any improvements.