An inflection point approaching for electricity supply?

Solar panels on HDB rooftop

The Straits Times reported yesterday that for large rooftop systems in Singapore, the cost of electricity from solar power is now on a par with ordinary electricity tariffs. Public agencies like the Housing and Development Board (HDB) and private firms like Sheng Siong are starting to use the solar panels on a big scale, with new installations announced this year.

The cost of solar-produced electricity has fallen by over 70 percent in recent years and now stands at US$0.70 per watt. The HDB has already committed to installing solar cells on over 300 blocks of public housing flats in areas such as Ang Mo Kio, Punggol, Jurong East and Buangkok.

We may now be at a very exciting inflection point in the world’s supply of energy. Solar power is only going to get cheaper as companies learn how to make solar cells more effectively. Not only are silicon-based solar panels becoming cheaper, scientists are now working on alternative materials such as perovskite. This compound has been making waves worldwide for its low cost and high efficiency. It can potentially lead to solar cells becoming five times cheaper.

Could this be the beginning of the end for fossil fuel-powered electricity? Perhaps even petrol-powered cars? I wouldn’t bet against it. Perhaps there is hope for Mother Earth after all.


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About gptuitionsg

A dedicated English and GP tutor with First Class Honours from the National University of Singapore, Steven Ooi retired from the profession after a 14-year career during which he was one of the most sought-after private tutors in Singapore. He is the recipient of the Minerva Prize from NUS, which is awarded to the top English Language honours student of each cohort. This website, which has consistently ranked among the top 10 on Google and has received over 530,000 hits, has now been converted into a GP resource site cum listing of recommended tutors. If you are a GP or English tutor who wishes to be listed here, please email Steven Ooi at stevenooi18 @ (remove the spaces). Interested parties will be assessed and interviewed by him, and qualifications will be checked. These procedures are necessary to uphold quality standards. DISCLAIMER: While every reasonable effort has been made to assess the competence and verify the qualifications of recommended tutors here, no guarantees are made and you engage them at your own risk. By using this website, you agree that you will not hold the webmaster Steven Ooi responsible for any consequences — direct or otherwise — that occur in relation with your use of this website.
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