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posted by martyb on Thursday October 27 2016, @12:37AM   Printer-friendly
from the The-answer-is-blowin'-in-the-wind dept.

The International Energy Agency [IEA] says that the world's capacity to generate electricity from renewable sources has now overtaken coal.

The IEA says in a new report that last year, renewables accounted for more than half of the increase in power capacity.

The report says half a million solar panels were installed every day last year around the world. In China, it says, there were two wind turbines set up every hour.

Renewable energy sources, such as wind, solar and hydro are seen as a key element in international efforts to combat climate change. At this stage, it is the capacity to generate power that has overtaken coal, rather than the amount of electricity actually produced. Renewables are intermittent - they depend on the sun shining or the wind blowing, for example, unlike coal which can generate electricity 24 hours a day all year round. So renewable technologies inevitably generate a lot less than their capacity.

Even so it is striking development.

The IEA's Executive Director Fatih Birol said "We are witnessing a transformation of global power markets led by renewables".

Link to original BBC story: http://www.bbc.com/news/business-37767250


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  • (Score: 1) by shrewdsheep on Thursday October 27 2016, @08:42AM

    by shrewdsheep (5215) on Thursday October 27 2016, @08:42AM (#419326)

    Discussing this with an expert recently, I got the information that with current technology there would have to be a four-fold net capacity of renewables (with the current mix) installed to match current fossil solutions. So first, there is no problem with day/night wind/no-wind situation. Second, the effective capacity of renewables would be 1/4 of coal. Third, improving storage would help (but currently less effective than installing more renewables).