52 2022 Non-Financial (Group) Report of q.beyond This measure, which involved raising the water temperature in the central cooling system by 4 °C, is expected to produce annual energy savings of up to 917,000 kWh. It will only be possible to quantify its effects precisely after a year of trial operations (in August 2023). Reduction in energy used by optimising office locations At our two largest sites in Hamburg and Cologne, we changed location and moved together respec tively at the end of 2022. This way, we have signifi cantly reduced our total office space. At our Cologne location, we are now also using a property that is far more modern and energy efficient. The effects of this measure will only be apparent in 2024. Outlook We are currently reviewing the technical and eco nomic feasibility of heating buildings adjacent to our data centre location in Hamburg, Grasweg with waste heat taken directly from the data centre. This will not reduce the energy consumed by the data centre itself, but will help to cut overall energy costs, as it will reduce the energy used in other areas. Moreover, we are also looking into possibilities to install a photovoltaics system. After lower volumes of energy consumption in 2020 and 2021, with this being due in part to the pandemic, and despite our business operations returning to vir tually normal levels in 2022, the trend is still clear: our energy consumption is decreasing. We therefore do not currently see any need to adjust our approach. Reduction in energy consumption 2022 2021 2020 2019 2019 – 2022 2019 – 2022 Change Change in % In MWh Resource Electricity (from fossil fuels) 71.1 140.3 430.6 440.4 1 -369.3 -83.9 Electricity (from regenerative sources) 19,017.7 44,436.1 52,056.4 53,828.6 -51,921.4 Heating energy (natural gas) 2,606.7 2,584.,2 3,227.0 3,533.4 -926.7 -64.7 -26.2 District heating / district cooling 1,530.0 +1,530.0 +100.0 Overview of all material Group figures: The IP Colocation GmbH, Incloud Engineering GmbH, datac Kommunikationssysteme GmbH and q.beyond logineer GmbH subsidiaries have been included on a time-apportioned basis until their disposal or from their acquisition as applicable. The scanplus GmbH subsidiary, which was acquired in December 2021, has operated under the name q.beyond Cloud Solutions GmbH since 1 January 2023. Its energy consumption has only been included since the 2022 financial year. Due to materiality considerations, the productive-data subsidiary, which was only acquired in November 2022, has not yet been included in the energy consumption figures for 2022. Similarly, energy consumption at our Latvian subsidiary SIA Q.BEYOND has not been included as we are currently still implementing the processes required to record key figures. However, we only expect this subsidiary to account for an immaterial share of total consumption. 1 Correction of figures for the q.beyond Group compared with disclosures in the 2021 Sustainability Report.