Singapura rancang bina reaktor nuklear generasi ke-4 untuk memastikan bekalan tenaga berterusan. Kaki u-turn tersenyum sinis

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SINGAPORE: New nuclear energy technologies have the potential to make future nuclear power plants 'much safer' than the ones currently in operation, said Minister of State for Trade and Industry Alvin Tan in Parliament on Monday (Apr 4).

Responding to questions on tapping nuclear energy for Singapore's energy supply, he said in Parliament that new designs have been developed since the Government concluded a pre-feasibility study in 2012, which found conventional large reactor technologies unsuitable for deployment in Singapore.

"These include Small Modular Reactors (SMRs) and Generation IV nuclear technologies, which incorporate enhanced safety systems that may not be possible for older generation technologies," said Mr Tan.   

"Some of the SMRs are also designed to cool safely and passively without requiring external systems or operator actions, especially during emergencies."
Besides nuclear fission, which is the "current, conventional, old technology", there have also been "significant interest and advances in nuclear fusion development", he said.
"Unlike fission, nuclear fusion does not cause chain reactions, and will not produce long-lived radioactive waste.
"Hence, nuclear fusion power plants can at least theoretically produce clean electricity to meet our energy needs."

GEOTHERMAL ENERGY
Mr Tan was expanding on a report released by the Energy 2050 Committee last month which set out several possible pathways for Singapore's power sector to achieve net-zero by around 2050, the transformational changes needed to achieve this, and the challenges arising from geopolitical trends and technological advancements.

One of these pathways, for instance, contemplates an energy future where Singapore successfully deploys "large scale low-carbon technologies at lower cost for energy generation".

These may include hydrogen, geothermal energy and nuclear energy.
On geothermal energy, Mr Tan said that it is "an attractive energy source", as it potentially provides a more consistent supply of energy compared to solar, which is intermittent due to Singapore’s weather and cloud cover.
  
While conventional geothermal systems are not viable here in Singapore due to the lack of adequate hot water and steam resources at shallow depths, there is a possibility of harnessing geothermal heat from deep underground due to recent advances in geothermal technology, he said.

The Nanyang Technological University is currently conducting exploratory studies to estimate the geothermal resource potential in various parts of Singapore.

If it's found feasible, geothermal energy could be a "new source of indigenous clean energy" in the country, he added.