Microsoft to dump it's computers into the sea.

[AFTT47]

The total power consumed by data centers to cool electronics is much larger than one might imagine.   Here in San Francisco Bay Area, data center power consumption represents up to a third of total electric load for many of the municipalities, and exceed the residential and commercial load.   A single data center consumes as much power as a typical mixed city of 20000-30000 people.

Yes, I noticed that amongst the posts here. Most people vastly underestimate the heat problem and just how much energy it takes to deal with it. Engineers are not idiots. It's guaranteed they have done the math before concluding this approach is worth a look.