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Energy xxx (2009) 1–11

Contents lists available at ScienceDirect

Energy journal homepage: www.elsevier.com/locate/energy

Renewable energy in India: Status and potential
Indu R. Pillai, Rangan Banerjee*
Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India

a r t i c l e i n f o
Article history: Received 16 May 2007 Received in revised form 20 August 2008 Accepted 15 October 2008 Available online xxx Keywords: Renewable Energy Diffusion Potential India

a b s t r a c t
A majority of the Indian population does not have access to convenient energy services (LPG, electricity). Though India has made significant progress in renewable energy, the share of modern renewables in the energy mix is marginal. This paper reviews the status and potential of different renewables (except biomass) in India. This paper documents the trends in the growth of renewables in India and establishes diffusion model as a basis for setting targets. The diffusion model is fitted tot the past trends for wind, small hydro and solar water heating and is used to establish future targets. The economic viability and green house gas (GHG) saving potential is estimated for each option. Several renewables have high growth rates, for example wind, Photovoltaic (PV) module manufacture and solar water heaters. New technologies like Tidal, OTEC, Solar thermal power plants and geothermal power plants are at the demonstration stage and future dissemination will depend on the experience of these projects. Ó 2009 Elsevier Ltd. All rights reserved.

1. Introduction India had a population of 1.1 billion and a Gross Domestic Product of 33 trillion Rupees1 (728 billion US$) in 2006 [1]. A breakup of India’s primary commercial energy shows that more than 80% is supplied from fossil fuels. If we also consider traditional fuels and biomass,

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