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Computers are part of our every day life, no matter what our occupation. Computers are alledgedly responsible for as much CO2 as the shipping and airline industries, whether it be huge servers needing cooled or your standalone PC at home they take power, some more than others. But just how much power?We tested a Dell Dimension c521 Desktop PC, manufactured in April 2007. Yesterday we published details of the Dell LCD monitor that came with this PC.Shut Down; 3WStart-up; 70 to 105W (Average approximately 81W)Start-up (Logging into Vista); 100 to 111WIn Vista; 56 - 101W (Average approximately 90W)Energy Saving Ideas for your PC- Turn off Bluetooth, Infared and Wifi when not required
- Remove programs from start-up that are not required
- Instead of a screensaver, set up your computer to auto-snooze
- Close programs not in use
- Shut down rather than allow the computer to snooze
- Shedule auto-shutdown if you want to finish downloading files
Leaving your PC on for a year would use 788kWh and emit 426kg of CO2 and cost about £102.44.For information on the electricity consumption of other products check out "How Much Electricity Does a ... Use?"Please Note the energy use figures are taken from an energy monitor and are not scientifically analysed, therefore the range and margin of error is greater. If you would like a specific product tested let us know and we will endeavour to check it out.
If you are the government department tasked with reducing public buildings' carbon emissions, you would want to make sure when you implemented Display Energy Certificates for all government buildings, that your building was, well efficient.However, Eland House, the headquarters of the Communities and Local Government, who is tasked to do just that has been handed a quite poor 'F' rating, which was only the second worst rating it could have received.Eland House was designed by EPR Architects and built by Mowlem for Land Securities, and completed in 1998. The steel and glass structure in London is 59 m (152 ft) high, with 11 floors providing 35,000 m² (376,250 sq ft) of office space housing 2,500 staff. It incorporates a number of environmental features including a cogeneration plant and active solar panels.Energy assessors visited the building ahead of the October introduction of regulations requiring public buildings to display evidence of their energy performance. Buildings which are frequently visited by the public, whether wholly or only partly publicly owned, and are larger than 1,000 metres squared, must prominently display their energy rating."Our rating for Eland House tells us we must clearly do better to make a difference to our energy performance. We are now acting on recommendation from our advisory report to help us improve future ratings."
Communities and Local Government
Officials from the departments excuse was poor heating and ventilation and heating systems, as well as higher occupancy than expected affected the building's energy performance. It's a shame when an organisation that should be taking a lead in reducing its own carbon emissions, doesn't practice what they preach, certainly this will leave some senior civil servants red faced. Lets hope that their next rating will show considerable improvement.
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Kilbraur wind farm of 19 turbines, with maximum output of 47.5MW. Kilbraur Wind Energy Co-operative, have just released shares up to the value of £1.8 million for purchase to locals in the largest wind farm co-op in the United Kingdom. I'm tempted to buy a few shares, more on how to invest in wind power?
Kilbraur wind farm of 19 turbines, with maximum output of 47.5MW. Kilbraur Wind Energy Co-operative, have just released shares up to the value of £1.8 million for purchase to locals in the largest wind farm co-op in the United Kingdom. I'm tempted to buy a few shares, more on how to invest in wind power?
