Look on your bill. It breaks it down to your delivery service (CMP) and your Electricity Supplier. If you haven't selected a supplier, then you will have the standard offer--the rate for this has gone up 3 times in 3 years, as noted in the other post.

You may have switched to another supplier at some time in the past and forgot you did so. In that case, it would be worthwhile to do some research and see if it is worth it to switch to the "standard offer" or a different supplier. I switched to CN Brown in Nov 21 and locked in the rate of $0.1067 for two years. That was a good (lucky) decision on my part as that is what I am paying now. We'll see where things are come Nov of this year.