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A single datacenter having the requisite power to travel back to 1955 many times over seems pretty meaningful to me.

The article is the opposite of informative, it meaningless comparing an industrial growth sector to residential. 40k residents use a million times more toilet paper a year. It uses about the same amount of energy as a similarly sized steel mill. There were multiple mills that churned out ~3GW a piece 24/7 IN UTAH! The research has been done, but the article won't inform you on that because they want to pander to brainless boomer NIMBY's that would have been gunned down 200 years ago rule over the country like tyrants far outside their worth or rights.

It's also completely wrong. Doc Brown's time machine did not require 1.21 gigawatts.

Very explicitly, it's 1.21 jigawatts. Completely different unit. What's a jigawatt? It's a movie, neither jigawatts nor flux capacitors are real things.

And in the French dubbed version, it's 2.21 gigowatt

It could be gigawatts, if Doc Brown also pronounces "GIF" as "jif".