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State Of The Art
Software &
Technology.
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Electricity Example The Chart to the left shows the electricity used each day as a bar. The Red bar is the energy used when the building is open. The Grey bar is the energy used when the building should be closed and using little or no energy. As can be seen energy and therefore money is being wasted each night and every Saturday and Sunday. This data is from a real site and is typical of what the system finds . |
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Gas Example. This bar chart shows an eight day view starting Monday to Monday of the gas energy used. Each bar represents the energy used in a 30 minute period. The blank days are Saturday and Sunday. They will not be blank if the BEMS systems fails to turn off the boiler over week-ends. The optimum start on the BEMS system was the problem for this customer and it is clearly not operating correctly. The boiler is coming on just after midnight each day when it should be starting at about 7:30am (the green bars) in these conditions. The gas used also shows the building is up to temperature within 30 minutes ! and the heating continues after 4pm (the red bars) A waste of 40 to 50 percent in this real building example. |
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Water Example. This Bar Chart shows an eight day view of water consumption again Monday to Monday in 30 minute periods. Water can be clearly seen to be used 24 hours a day and over the weekends when the building is closed. No water should be used at early morning or at night weekdays and no water should be used at all over the weekends. This graph showed the site had a major water leak even though no pools of water could be found. The leak was into a drain which was not visible to staff. On a number of occasions we have realised savings of 80% on water used when meter readings failed to highlight any problem. |
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