Besides prioritising improvements in energy efficiencies, plans to integrate and maximise renewable solar energy throughout Mandai precinct have been put into action, setting the stage for our pivot towards greener sources of energy. We are striving towards 100% renewable electricity by 2030. We will implement on-site solar panels at all available and permissible rooftops across new and existing parks, while exploring how to tap into the electricity generated by larger-scale solar farms at off-site locations. To improve operational efficiency in our existing parks, various upgrading and modification projects implemented across the precinct have helped reap energy savings.
Key initiatives include:
We have been electrifying our internal fleet since 2018 and all electric trams as well as two electric vans are now operational. We also conducted a pilot study to use biodiesel for our Mandai-Khatib Shuttle and are exploring ways to circularise used cooking oil from our kitchens. To support Singapore’s ambition to power all vehicles using clean energy by 2040, we have installed 10 electric vehicle (EV) charging points in our multi-storey carpark.
These are well used by staff as well as park guests, and more EV charging lots will be installed within Mandai precinct. Another 28 EV lots will be made available in the new Mandai development in East Node, and provisions for more in Mandai Wildlife West are being planned.
We target to achieve 60% waste diversion rate by 2030. Measures taken and, in the pipeline, include:
From rainwater collection to the treatment of wastewater, we continued to devise ways to manage our water resources more effectively.
Rainwater harvesting features are implemented in developing parks where feasible and are projected to meet 5% of the precinct's water needs. We are exploring the feasibility of capturing rainwater on-site in existing parks to decrease potable water usage.
The newly commissioned Mandai Wildlife Reserve wastewater Recycling Plants will soon start recycling wastewater from cleaning of animal dens and other back-of-house activities. We can expect 21% of the precinct’s future water needs to be met by this blackwater recycling.
The Mandai Wildlife Reserve wastewater Recyling Plants have been awarded Water Reuse Project of the Year — Distinction at the Global Water Awards 2023.
A manatee's daily food intake is typically 4-7% of its body weight. A 500kg manatee would eat 20-35kg of food in a day, with an output to match. To keep the water in the manatee’s habitat at River Wonders clean while optimising water usage, wastewater from the tank is not directly discharged but cycled through a bio bed filter.
Specially selected plants such as pandan and alligator-flag are grown in the bio bed to remove contaminants in the water. Besides improving water quality, the alligator-flag attracts bees and dragonflies and provides natural shelter for them.
This water recovery system recycles 29,200m3 of water in a year, which amounts to nearly 50% of our annual water savings.