According to Jud McCranie :
On 21 Sep 2004 19:30:43 GMT, (Chris Lewis)
wrote:

Yup. You lost one of the hot legs. 120V circuits "on that side" failed. ...

If it was going bad (i.e. a bad connection), could that have made my
electric bill higher? The last two months it has been somewhat higher
than expected.

It's unlikely to have affected your electrical bill, except when it was
actually not connected at all.
--
Chris Lewis, Una confibula non set est
It's not just anyone who gets a Starship Cruiser class named after them.