Britain can produce 85% of its power via renewable energy by 2030 provided it undergoes significant changes in energy production and use, according to a new study by Greenpeace.

The study attempts to counter the argument that only fossil fuels and nuclear power can keep the lights on for the next few decades. It foresees wind leaping from today’s level of 13 gigawatts (GW) of wind farms in operation – enough to power around 10 million homes – to a level of 77GW in 2030, with solar rising from just more than 5GW to 28GW.

However, the renewables drive would need to be accompanied by a 60% reduction in demand for domestic heating through a home insulation programme and other initiatives, according to the report by energy system analysts, Demand Energy Equality.

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“For a long time the government and the fossil fuel industry have peddled the argument that renewables can’t keep the lights on if the wind’s not blowing. This hasn’t been based on evidence, but out of date instincts seemingly from staring out the window to see how windy it is,” said Doug Parr, chief scientist at Greenpeace.

“For the first time, we have the evidence showing it is possible to keep the power system working and decarbonise the electricity system. We need to go for renewable energy with the help of new smart technology and reducing demand for power too.

“It is hugely ambitious but definitely doable, and it will take the same kind of enthusiasm and financial support from government, normally the sole preserve of the nuclear and fossil fuel industries.”

More: http://www.theguardian.com/environment/2015/sep/20/85-of-british-power-can-be-via-renewables-by-2030-says-greenpeace