Hyperscaler are the big public cloud service providers: Amazon Web Services (AWS), Azure (Microsoft), Google and IBM.
The data centers operated by Hyperscalers are superlatives in many regards. Microsoft, for example, operates gigantic data centers in Quincy (USA) or San Antonia (USA), each with 44,000 square meters. This corresponds to a size of over 6 football fields. The construction of these data centers cost about 450 million US dollars each.
Microsoft's data center in Chicago has even 65,000 square meters (about 9 soccer fields) and can accommodate about 225,000 servers (sic!). The energy consumption of these data centers is immense. The energy requirement for a 40,000 square meter data center, for example, is more than 250 megawatts. This corresponds to the power consumption of a small town.