On Tue, 15 Sep 2009 13:14:51 +0100, No Spam Please suggested:

"Halmyre" asked in message
...

I wonder what the residents of Blackpool use as a comparative reference
when they want to comment on levels of illumination?

Las Vegas?

My exact same thoughts. Some facts and figures at

http://green.thefuntimesguide.COM/2007/04/las_vegas_energy_use.php

Is it not the case that without the Hoover Dam, the bright lights of
Las Vegas would not be possible?