Others(Climate mitigation measures)

Tuas Nexus
We will be investing more than S$5 billion in Tuas Nexus, which will be the world’s first integrated development that will co-locate a water reclamation plant with a waste management facility. Co-location of these facilities allows for the integration of used water and solid waste treatment processes to effectively harness synergies from water-energy-waste nexus. At Tuas Nexus, food waste slurry from the waste management facility will be pumped to the water reclamation plant and co-digested with dewatered sludge, generating up to three times more biogas than conventional sludge treatment processes. The biogas will then be piped back and combusted at the waste management facility to enhance overall plant thermal efficiency. The electricity generated will be sufficient to not only sustain the operations of Tuas Nexus, but provide excess electricity that will be fed back to the grid. Being a zero energy facility, Tuas Nexus will achieve savings of more than 200,000 tonnes of carbon emissions annually. The excess electricity is expected to be able to power up to 300,000 four-room apartments in Singapore.
The Tuas Nexus is an innovative and integrated solution that will maximise resource and energy recovery, which will help to reduce Singapore’s emissions footprint post-COVID-19. It will allow Singapore to meet our capacity requirements to manage and treat various waste streams and used water in a sustainable way. The first phase of construction of Tuas Nexus has begun, and it is set to be completed in phases from 2025 onwards.

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