Regional power grids a cost-effective solution to meeting renewable energy needs: IEA report

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Think of the five national switches Singapore has....as opposed to the four national taps...

regional grids allow resources to be shared, reducing overall system costs

The Republic had earlier announced plans to import 30 per cent of its energy needs - or 4 gigawatts of electricity - by 2035.

This is especially important for Singapore as 95 per cent of its electricity is generated from natural gas - a fossil fuel - which accounts for 40 per cent of its total national emissions.

For a country like Singapore, being able to access energy supplies from low-carbon sources from its neighbouring countries through a regionally interconnected grid is very, very important, given the constraints on land that Singapore faces

As each country has its own advantages in different renewable technologies - some in hydropower, geothermal, and others in wind, for instance - having a diverse mix of resources could help to reduce variability in factors such as weather conditions

For qns on international cooperation/collaboration....