Elements of Sustainable ICT pt. 2 (Datacenters)

Modern datacenters consume a substantial amount of power & cooling.


Kalle Tolonen
Jan. 17, 2025
Last updated on Jan. 22, 2025

Overview

Modern datacenters consume a substantial amount of power & cooling. Nordic datacenters can use 'free cooling' & use waste heat for district heating. UPS-systems can be used for electricity arbitrage. Connectivity takes most of the overall energy and cooling takes about 40% of DC electricity. DC's are an optimization game, just like everything else. You need to live with constraints. Architecture runs in waves, we're changing between virtual to physical and centralized & distributed. Customer expectations are plentiful: certified security, scalability, green values & easy reporting for scope 3 & really good connectivity are some of the key requirements. There are 3 main categories of DC's: owned by enterprise, colocation and hyperscale. Hyperscale DC's offer the cheapest price, uptime and least control and enterpise solutions have the least of those, while colocation is the middle child with elements of both. Having better availability costs more.

Key learnings


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