idle time

A desktop computer and monitor will consume about 920 kWh of electricity if left on all year, but only 198 kWh if switched off at the end of each working day (switched off overnight, at weekends and holidays). This equates to an annual saving of £86 and 387 kg CO2eq (a measure of greenhouse gas emissions). It is estimated that 8000 computers across all colleges and departments are left on unnecessarily all the time. If this stock of computers is switched off at the end of each working day there is a potential total annual saving of about £690,000 and 3100000 kg CO2eq.

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