"It is proposed to double the renewable energy capacity in our country from 25000 MW in 2012 to 55000 MW by the year 2017," he said inaugurating the Fourth Clean Energy Ministerial conference here.
He said this would include exploiting non-conventional energy sources such as solar, wind power and energy from biomass.
Singh said India's 12th Five Year Plan recognised the importance of evolving a low carbon strategy for inclusive and sustainable growth.
However, he said the pace of expansion of reliance on new energy sources was constrained by the fact that these were more expensive than conventional energy.
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"The cost of solar energy for example has nearly halved over the last two years, though it remains higher than the cost of fossil fuel based electricity. If the cost imposed by carbon emissions is taken into account, then solar energy is more cost effective, but it is still more expensive," he said.
"The cost differential is being covered by different forms of subsidy and cross subsidy, he said.