If cryptocurrencies become mainstream, this will be a bigger problem I think. Even things like "free" electricity are attractive for mining purposes, ex: universities, businesses, etc. If every student setup mining, it adds up (at the university / business' expense). If I am the one paying for an office at $500 a month that includes all electricity usage, is it fair to plug in a ton of mining hardware and profit / su…
When Google was young, they negotiated an extreme power allowance() from they colo facility, and then engineered their systems to maximize their usage, including packing custom hardware that used for more power than standard equipment per rack unit. It is unclear if the salesperson who signed the contract knew what Google was buying.
(and incoming bandwidth allowance -- yay, web crawler)