The imposition of GST on the energy sector has raised the costs of solar power by 6%.

Solar power generation 5.8 per cent costlier post-GST

GST – A friction in India’s clean energy transition

New Delhi (7 March 2019) – The introduction of the Goods and Services Tax (GST) has led to an increase in the cost of solar photovoltaic (PV) power generation by almost 6 per cent, according to an independent study released today by the Council on Energy, Environment and Water (CEEW) and the International Institute for Sustainable Development (IISD).

At the same time, GST has resulted in a decline in the cost of thermal power generation by 1.6 per cent. Thus, GST is adversely affecting India’s clean energy transition.

Abhinav Soman, Programme Associate, CEEW, and lead author of the study, said, “The uncertainty surrounding GST rates for various solar PV contracting structures and the imposition of safeguard duty may constrain India’s progress toward its ambitious target of 100 GW of installed solar capacity through delayed investments. It is important for policymakers to evaluate such impacts and their influence on our choices of energy sources.”

Neil McCulloch, IISD Associate and co-author of the study, said, ”The GST Council recently clarified that 70 per cent of the solar PV contract value will attract 5 per cent GST while the remaining 30 per cent will be treated as ‘supply of services’ and attract 18 per cent GST. But services constitute a much smaller share of the contract value than 30 per cent for most of India’s recent projects. A higher tax burden is unfairly imposed on such projects.”

This study follows an assessment of India’s energy subsidies by IISD and CEEW in late 2018. This found that the GST has overhauled a large share of India’s taxes and the tax-related subsidies. The absolute size of the subsidy to coal-based power generation remains INR 7,685 crore (USD 1.1 billion) higher than for solar PV in FY 2018. India has reformed a number of subsidies for petroleum products since 2014. Over the same time period, government support for renewable energy has increased significantly but the scale of subsidies for coal has remained largely unchanged.

Link to the report:


Arsheen Kaur, (+91 989 102 19 97)

Balasubramanian Viswanathan, (+91 988 882 54 83)

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