Danske Regioner Sundhed09UK Page 23
eneRgy MonitoRing
holstebro hospital
finding the sinners
by: søren flott / photo: lasse hyldager
Watts, cubic metres and tons
the central energy monitoring system currently being introduced in the Central Denmark Region does not just keep an eye on electricity use. the system can also monitor the use of water, heat and paper, and the amount of waste produced. it will also be possible to focus on areas that require a special effort in certain periods, and follow up on whether specific targets have been met.
if you are serious about saving energy, you first of all need to know how your resources are being used. the Central Denmark Region is introducing a common system which will record the use of every single kilowatt.
I
t is pretty warm in the control room between the two CT scanners in the x-ray department of Holstebro Hospital.
A score of computer screens displaying black and white images of lungs, kidneys and bones are being closely studied as patients are scanned by the machines, which can reveal such disorders as cancer, cerebral haemorrhage, complicated fractures and much more. "These machines are some of the really big energy consumers," says Mogens Thomsen. As energy consultant in the region's construction department, it is Mogens Thomsen's responsibility to introduce an entirely new computer system which will monitor the Central Denmark Region's energy usage everywhere from offices and residential units to the control room in which we are standing. "We need a tool which will allow us to keep track of things all the time it is hard to do something about a problem if you don't know anything about it," he explains.
The system is so sensitive that he and his colleagues can monitor both whole buildings and individual rooms, and can take action if consumption levels get out of control, or seem illogical. "You might for example wonder why some buildings use 30 percent of their energy at night, while they are empty. The explanation is usually that the air conditioning system is running, or a timer has been set incorrectly," he continues. If you find that kind of thing, the benefits can be considerable both for the environment and for the Region's finances. Recently, one of Mogens Thomsen's colleagues, Bjarne Christiansen, went around all the departments in the hospital to check the air conditioning systems. Over the years, many of the departments had changed their opening hours, but the settings for the air conditioning systems had remained the same. As a result, they were also running at times when the rooms and corridors were deserted. "Bjarne Christiansen's checks saved us electricity worth 135,000 euros," says Mogens Thomsen.
And that is exactly what the new energy monitoring system can be used for: To catch the energyguzzlers a task which otherwise requires a lot of footwork. "We can install some alarms in the system which pop up and alert us before things get really serious," Mogens Thomsen adds. Mogens Thomsen observes the doctors and nurses working at the screens in the x-ray department. Right now, there's not much he can do about the energy consumption of the CT scanners. According to the manufacturers they must not be turned off, even when the department is closed, in order to protect the electronics. But Mogens hopes this situation will change in future. "The Central Denmark Region is not big enough in itself, but I hope Danish Regions will make a co-ordinated effort to demand a standby function for this kind of technology," he says, emphasising that the central energy monitoring system is just one of many measures which will be necessary to reduce the regions' energy consumption.
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