Global average solar cost may fall below coal within 10 years. Solar power is now cheaper than coal in some parts of the world. In less than a decade, it's likely to be the lowest-cost option almost everywhere.
In 2016, countries from Chile to the United Arab Emirates broke records with deals to generate electricity from sunshine for less than 3 cents a kilowatt-hour, half the average global cost of coal power. Now, Saudi Arabia, Jordan and Mexico are planning auctions and tenders for this year, aiming to drop prices even further. Taking advantage: Companies such as Italy's Enel SpA and Dublin's Mainstream Renewable Power, who gained experienced in Europe and now seek new markets abroad as subsidies dry up at home.
Since 2009, solar prices are down 62 percent, with every part of the supply chain trimming costs. That's help cut risk premiums on bank loans, and pushed manufacturing capacity to record levels. By 2025, solar may be cheaper than using coal on average globally, according to Bloomberg New Energy Finance.
”These are game-changing numbers, and it's becoming normal in more and more markets," said Adnan Amin, International Renewable Energy Agency 's director general, an Abu Dhabi-based intergovernmental group. "Every time you double capacity, you reduce the price by 20 percent."
Better technology has been key in boosting the industry, from the use of diamond-wire saws that more efficiently cut wafers to better cells that provide more spark from the same amount of sun. It's also driven by economies of scale and manufacturing experience since the solar boom started more than a decade ago, giving the industry an increasing edge in the competition with fossil fuels.
The average 1 megawatt-plus ground mounted solar system will cost 73 cents a watt by 2025 compared with $1.14 now, a 36 percent drop, said Jenny Chase, head of solar analysis for New Energy Finance.
In China, the biggest solar market, will see costs falling below coal by 2030, according to New Energy Finance. The country has surpassed Germany as the nation with the most installed solar capacity as the government seeks to increase use to cut carbon emissions and boost home consumption of clean energy. Yet curtailment remains a problem, particularly in sunnier parts of the country as congestion on the grid forces some solar plants to switch off.
source