As published in the 2021 Sustainability Report for computacenter, 73% of Energy used was from renewable sources. The data on energy consumption was published in KWh which equated to 38,500,000, when converted into gigajoules this accounts for 138,600 * 73% = 101,178 gigajoules of energy is consumed from renewables sources. (Computacenter sustainability report, 2021., p.g 16)