Key objectives included:
EECO2 delivered a full site energy and water focussed assessment – a proven process that guides the site team to identify and prioritise significant energy, carbon and water projects that have been discussed in detail and are viable for implementation.
This assessment was supported by detailed data analysis undertaken by EECO2 off site prior to the workshop. The off-site analysis involved creating a bespoke site energy and water model which was then verified during the site visit. This enabled the EECO2 team to rapidly identify and quantify realistic energy and water reduction opportunities on a whole site basis, to a tolerance of +/-30% cost and savings.
The data analysis, supplemented by on-site observations, showed that HVAC (air movement, heating, cooling & dehumidifying) was the largest user in terms of energy consumption at 55% of site energy consumption and cost. The main areas of opportunity identified were:
HVAC optimisation - air change rates in areas are higher than needed to maintain air cleanliness/classification
Fresh air optimisation
Demand based ventilation
BMS optimisation set point and deadband control
HVAC set back (or turn down) during non-operational times
Steam systems optimisation
Chilling and refrigeration systems optimisation
Water usage reduction, reuse and recycling
The energy and water assessment involved key stakeholders from Engineering, Quality Assurance and Validation teams. Potential projects were presented, discussed in detail and risk mitigation was integrated into the project proposals.
Energy savings identified (per year):
23% reduction in site energy usage
Energy cost savings identified (per year):
Water savings identified (per year):
52% reduction in site water consumption
The energy savings identified have an overall simple payback period of 2.4 years. The water savings have a 3.3 year simple payback period.The energy savings identified have an overall simple payback period of 2.4 years. The water savings have a 3.3 year simple payback period.
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