1. Microsoft Since August 2024, Microsoft’ s new data centre designs have used closed-loop, chip-level cooling built to avoid evaporative water use, which the company says saves more than 125 million litres of water a year per facility.

2. Google Google has reaffirmed its target to run on 24 / 7 carbon-free energy in every grid region where it operates by 2030, an hourly standard that is stricter than annual renewable matching.

3. Amazon Web Services AWS adopted a lower-carbon concrete mix for the foundations of its New Carlisle campus in Indiana after testing through the Open Compute Project validated its structural performance.

4. Equinix Equinix reported 96 % renewable energy coverage across its retail IBX data centres in 2025, alongside a global average PUE of 1.37 and 19GWh of exported heat.

5. Digital Realty Digital Realty’ s 2025 Impact Report records 93 % global renewable energy coverage, 75 % of sites operating without evaporative cooling and a 46 % increase since 2023 in heat supplied to district energy programmes.

76 October 2026