Last month I used less electricity than ever before at my current address, mainly because two of the five servers in the Inner Drive Technology Worldwide Data Center have had their duties migrated to Microsoft Windows Azure.
This past month, I used even less:
It wasn't my smallest-ever bill, though, thanks to Exelon's recent rate increases. But still: here's some more concrete evidence that the Cloud can save money.
And before people start pointing to the New York Times article from September about how wasteful the Cloud is, I can't help but point out that the writer left out the part where moving to the cloud lets businesses turn off their own on-premises servers. And given the way Azure works (and, I assume, Amazon's and Google's equivalents), instead of dedicated servers doing just about nothing all day, you have shared servers handling sometimes dozens of different virtual machines for a fraction of the cost.
Anyway, except for the part where I fly 100,000 km every year, I feel like moving to the Cloud is helping everyone.