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From switching off unused lights to using new technology to conserve our energy, we can all make a difference to the impact we have on our planet.

Whether at work or home, we have a collective responsibility to save energy and contribute to sustaining the world around us. To this end, Staffordshire University has been engaged in our Carbon Management Plan since 2010.

In 2020, we set an organisational strategic goal to achieve carbon neutrality by 2030. We all have a corporate and personal responsibility to our environment, so let’s work together to stop wasting energy wherever possible and make this goal a reality.

Putting things into perspective

It is very easy to trivialise the energy wasted by leaving equipment such as photocopiers on overnight or having the light on in your office when natural light will suffice. Listed below are the implications of some bad practices:

  • Office lights left on overnight use enough energy in a year to heat a home for almost 5 months.
  • A 2°C increase in office temperature creates enough CO2 in a year to fill a hot air balloon.
  • A photocopier left on standby overnight wastes enough energy to make 30 cups of tea.
  • Air conditioning an office for 1 extra hour a day uses enough energy in a month to power a TV for over a year.

(Sources: Carbon Trust)

Appliances and their running costs

Whether at work or home, have you ever stopped to think or calculate how much something costs to run?   One 1500 watt heater used for 5 hours a day for a month could cost as much as £12.  Stop and think how many individual heaters are in your office, Faculty or Service…

Calculations for appliance energy usage

  • Step 1 - work out the power consumed: wattage of appliance / 1000 x time in minutes / 60 = kWh
  • Step 2 - work out the cost of running appliance = kWh x cost in pence = cost

Most appliances will have a small sticker on them telling you their wattage, or if in kilowatts divide by 1000. This is the power rating of the appliance. The University pays approximately 7.9p per kWh.

Worked example:

  • A 1500W heater used for 5 hours (300 mins) = 1500 / 1000 x 300 / 60 = 7.5 kWh (power consumed)
  • 7.5 x 7.9p = 59.25p

Therefore using a 1500w heater for:

  • 5 hrs a day = 59.25p
  • 5 hrs a day for a week = £2.96
  • 5 hrs a day for a month = £11.85

It is very easy to see how the costs of running one individual heater can soon mount up.