Research for a better Power Grid to replace the existing one is underway. It is one of the research topics funded under a $19 billion Research and Development (R&D) initiative by the Singapore Government.
The research for the new Grid 2.0 power system, as it is called, aims to allow for greater incorporation of electricity generated using clean energy sources.
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http://www.straitstimes.com/singapore/power-grid-revamp-among-projects-for-19b-rd-fund