Even with all the big storms of this century so far, our very own Isabel still leads the pack in terms of Integrated Kinetic Energy (IKE):
Isabel 173
Sandy 141
Katrina 121
Wilma 103
Frances 93
Ivan 81
Flo 49
Ian 47 (tentative?)
Ida 47
Dennis 40
Laura 21
Andrew 20
Charley 7
Other storms of note: Opal 120, Hugo 94, Andrew 20
(from Jeff Masters' site: yaleclimateconnections.org)
Don't ask me why I'm posting this at 4 AM. I thought I could go at least one year without worrying about our house down near Beaufort, SC, on an island. That's not the whole reason for my insomnia, but a bit of it.
ETA: Another site had Irma with about 50 IKE and Michael with about 25.