The country will need investment of 1.5tn rupees ($33.6bn) to pay for the expansion as part of its 12th Five-Year Economic Plan, Deepak Gupta is quoted by Reuters telling an industry conference in New Delhi.

India’s existing renewable generation comes to 20GW, accounting for 11% of the country’s total capacity, Gupta adds.

But the country needs to almost double this as part of a 100GW expansion of overall capacity to keep up with economic growth and address security of supply issues.

Gupta,