Singapore has targeted 200MW of energy storage beyond 2025 and 2GW of solar by 2030, but will continue to rely on natural gas for the next 50 years, according to a government official.
This morning, minister for Trade and Industry Chan Chun Sing spoke about the country’s energy focus over the next five decades at the opening of the Singapore International Energy Week. The island nation currently obtains 95% of its electricity supply from natural gas delivered through pipelines from neighbouring counties and global supplies of Liquified Natural Gas (LNG) through its ports. While Chun Sing aimed to diversify this gas supply, he also put forward a vision for alternative energy supply.
The goal of 200MW of energy storage beyond 2025 comes under a vision of having a network of energy storage solutions across the entire island to manage the stability and resilience of the grid, as well as offering peak shaving services.
Singapore’s difference between peak and trough within the daily cycle can be as much as 30%, requiring extra infrastructure capacity to meet peak demand. The use of storage to balance peak and trough demand, however, could save on such infrastructure costs.
Chun Sing said: “if we can do that well, I believe that the solutions will not only benefit Singapore but will also benefit many other countries beyond Singapore. Today, in order to cater to peak demand, most countries have to spend a lot to build the infrastructure just for that few hours of the day. So energy storage solutions are something that we would certainly like to develop further, with our partners both in the private sector and in other countries.”
The energy storage vision is partly driven by the expected push for solar energy installations in the coming years. Lacking in geothermal, wind and tidal resources, Singapore’s future clean energy plans rest largely on solar power, despite having overcast skies for roughly 80% of the time due to its tropical climate.
The 2GW of PV by 2030 goal – described by Chun Sing as a “stretch target” – would account for the equivalent of 10% of Singapore’s peak daily electricity demand today. It would require collaboration between the public and private sectors as well as breakthroughs in solar module efficiencies and vertical solar installations, given that Singapore lacks available land and relies heavily on rooftop-based solar deployment.
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