Stockland Baulkham Hills
Client:Stockland Baulkham Hills
Savings Achieved:1,350 kL water
Stockland Baulkham Hills engaged EnergyLink to monitor and help reduce their water consumption in October 2016. We installed our system covering 15 of the largest water users. Early analysis of the data revealed that some tenants were causing major issues with their water consumption.
One of the restaurants had a high daily consumption as well as regular overnight consumption when the restaurant was closed. Further investigation uncovered that this level of water consumption was due to water-cooled woks that each use up to 8kL per day (approx. $8,000 per year).
We informed the tenants of the water usage and encouraged them to be aware of their consumption. Importantly, they needed to turn off the water outlets at the end of each working day, and they would be reminded each time this wasn’t achieved. There has been great progress since the water meters were first installed, as instances of overnight usage has been reduced to only once per month in 2017.
- Reduce water usage
- Visualise water usage
- Identify water savings and leaks
- Minimise utility invoices
- Daily monitoring and reporting by EnergyLink Engineers
- Monitoring and analysis of equipment and devices by EnergyLink engineers
- Operational recommendations and efficiency measures with supporting business cases
- Smart threshold alerts which flag any increases in consumption
- Reduced consumption on tenant meters
- Additional plans for hardware upgrades for greater savings
The tenants have also been encouraged to upgrade to air-cooled woks to eliminate the need for water cooling. Additionally, adding 10 second timers to the taps would allow enough water for cleaning and rinsing as required with minimal wastage. These simple upgrades can save 5 kL per day, with a payback of approx. 12 months.
The graph below shows the whole site’s water usage on the main incoming meter. In gray was consumption in December 2016 and May 2017 in blue. This sample shows the overnight water consumption in gray when the water cooled woks would be left on most nights. Prior to 2017, the restaurant accounted for 24% of all water consumption at the Stockland Baulkham Hills shopping centre.