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ENERGY MANAGEMENT


environmental and continuation of sustainable patient comfort levels. Some of the key elements discussed were


the feasibility study which prioritised the EPC program in order of effectiveness and estimates of implementation costs and payback periods, relevant plant and process data and technology. Monitoring and validation process of


measurements for individual plant energy usage, analysis of process and use of graphical representation for energy dissemination throughout the project. Figure 2 demonstrates that EPCs are core


business. The Royal Brisbane and Women’s Hospital (RBWH), a 998 bed general, tertiary


‘Energy efficiency is one of the key initiatives for the abatement of carbon emissions and the transition to the low-carbon economy and legislation is now in place.’


referral teaching hospital, for example, achieved savings of 12% through multiple projects. Figure 2 quantifies the ‘real’ energy in kWh (17GW) saved that extrapolates to savings for the business


utility cost and reduction in CO2 emissions. The exercise provided an equivalence to powering approximately


Table 1: Costs and savings of five EPC projects undertaken by RBWH between 2005 and 2010.


Royal Brisbane Womens Hospital Annual water saving (kL)


Summary of annual electricity saving (kWh) Greenhouse emission reduction (tonnes) Internal rate of return (%) Total cost savings


Maintenance cost savings


Accumulative energy cost savings DFS fee


Accumulative project implementation cost for five EPCs (+gst)


Project details 63,688


17,741,896 18,090 16.29%


$2,020,071 $249,668


$1,770,403 $120,000 $5,957,628


3,005 homes and taking 5,550 cars off the road each year in CO2


emissions. Table 1


shows the costs and savings seen by RBWH. Queensland Health has benefitted from initial substantial savings through this overall programme with the following achievements: • 53 projects from 17 districts where completed in the five-year A$200 million programme.


• Savings per year from the 17 districts a total of 430,000,000 kWh in electrical energy.


• Reduction of 220,000 GJ of natural gas used throughout the districts.


• Reduction of 457,000 Klts of water used throughout the districts.


• Environmental and emission reduction of 450,250 tonnes of CO2


.


These actions have enabled us to actively support and contribute to communities we serve and the environment for future generations from the reduction in energy and GHG emissions.





Providing insights into the vast field of healthcare engineering and facility management


IFHE DIGEST 2014 83


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