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Energy demand growth doubles in 2017, wind, solar see a banner year, IEA reports

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Energy demand growth doubles in 2017, wind, solar see a banner year, IEA reports



As global energy demand went up by 2.1% in 2017, more than twice the growth rate in 2016, renewables saw the highest growth rate of any energy source, meeting a quarter of global energy demand. According preliminary estimates from the IEA, solar PV accounted for 27% of the growth in renewables-based power output last year.

As global energy demand increased in the previous year, renewables followed suit setting new record highs.

Namely, although the overall share of fossil fuels in global energy demand in 2017 remained at 81%, a level that has been stable for more than three decades, the International Energy Agency (IEA) has reported that renewables saw an unprecedented growth in 2017, as they met around a quarter of global energy demand growth.

According to the IEA’s first Global Energy and CO2 Status Report, the power sector played the most important role in the growth of low-carbon energy, with renewables-based electricity generation increasing by 6.3% (380 TWh) in 2017.

China and the United States led the charge, contributing to 50% of the increase in renewables-based electricity generation, followed by the European Union (8%), India (6%) and Japan (6%), says the IEA.

The IEA further reports an unprecedented growth of wind power and solar PV in 2017; wind power accounted for the largest share of overall renewables growth, at 36%, followed by solar PV (27%), hydropower (22%) and bioenergy (12%).

Solar PV was the second largest source among renewables in 2017.

Source: IEA

With new record solar PV capacity additions of over 50 GW in 2017 and a reduction in the rate of curtailment, China accounted for 40% of the combined growth in wind and solar PV.

In terms of solar PV, the accumulated capacity of which approached 400 GW by the end of 2017, the IEA notes that China’s additions in the previous year were equivalent to the total solar PV capacity of France and Germany combined, as they went up from 35 GW in 2016 and exceeded the country’s combined capacity additions of coal, gas and nuclear.

Coming up second was the U.S. with 10 GW of solar PV added in 2017, down 30% relative to 2016, followed by India with its record additions of 8 GW, double the capacity seen in 2016.

Meanwhile, the IEA notes, global wind power capacity reached around 510 GW, as the EU saw a banner year with 15.6 GW of capacity additions, of which 3.1 GW was offshore, also a record.

Outside of the power sector, renewables heat has been growing modestly over the last years. The IEA recalls that a big change is expected to take take place in China, the world’s largest heat consumer, which announced a five-year clean heating plan focused on northern cities in December 2017 – a new policy that could significantly cut the use of coal for heating and replace it with cleaner sources including renewables (biomass, geothermal and solar heat).

On the other side of the coin, the speedy growth of renewables in 2017 falls short of the deployment needed to meet the global climate goals in the IEA’s Sustainable Development Scenario. According to the IEA, carbon emissions intensity in 2017 improved by less than one-third of what would be needed to fulfill the global transition towards climate goals.



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