Global solar capacity rose by 41 per cent in 2016 to a record 71.5GW, beating new wind installations for the first time. And solar power should stay ahead as its cost falls increasingly quickly.
With solar currently generating only about 3 per cent of global electricity, the question is not if, but how quickly, it grows as the leading renewable technology.
Average prices of solar panel modules fell 16 per cent in 2016 to USD0.48 per watt but by the year-end was just USD0.36, down 36 per cent over the 12 months. With lower prices for other components and installation too, the average cost of solar energy has fallen to USD100/MWh - a feat that seemed overly ambitious only five years ago.
And as solar power is now cheaper than coal in some parts of the world, it has the potential over the next decade to become the lowest-cost option almost everywhere.
Early solar installations in northern Europe were stimulated by generous purchase tariffs that made investment attractive even in countries where solar irradiation is relatively low. But as more solar capacity is allocated by competitive auction, growth is increasingly coming in naturally sunny areas.
So the lowest bids have been registered in very sunny areas. Last year a proposed 350MW project in the United Arab Emirates received a new low bid of USD24.2/MWh - 20 per cent below the previous record bid made just a month earlier at an auction in Chile.
Large solar-power parks are being planned around the globe with deals to generate electricity from sunshine for less than half the average global cost of coal power. The main drivers of falling costs are economies of scale - every time total production of solar panels doubles, the cost drops by 20 per cent - and improvements in the panels’ efficiency.
Both factors should continue to drive costs even lower, with disruptive technologies such as surface treatments and processing techniques allowing rapid leaps in cost reduction.
China is key to solar, both as a manufacturer and as a user. As the biggest market it consumes most of the world’s polysilicon, processing it into wafers, cells and modules. But official production capacity targets have been reduced from reaching 150GW by 2020 to just 110GW, partly acknowledging limitations in China’s distribution grid. Declining demand for solar installations could limit global growth to 1% to 2% in 2017.
And trade disputes could shape supply and demand in the Chinese market this year. The US has effectively been locked out of the Chinese polysilicon market since 2014 because American importers face between 53 to 57 per cent in anti-dumping duties that make them uncompetitive.
That favours China’s domestic producers and South Korean firms, whose import duties are just 2 to 14 per cent. However, a review could raise duties to 34 per cent on Korean imports.
Meanwhile, the Japanese market, number-two globally, seems to have peaked, and although the next largest market, the US, hit new records in 2016, its new president may shift policy support away from renewables and his proposed tax cuts could mean less finance for clean-energy projects.
The following analyst(s), economist(s), and/or strategist(s) who is(are) primarily responsible for this report, certifies(y) that the opinion(s) on the subject security(ies) or issuer(s) and/or any other views or forecasts expressed herein accurately reflect their personal view(s) and that no part of their compensation was, is or will be directly or indirectly related to the specific recommendation(s) or views contained in this research report: Sean McLoughlin
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