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The Author

Sumant Sinha

Sumant Sinha is the Founder, Chairman and CEO of ReNew—India’s leading decarbonization solutions company and the first Indian renewable energy company to list on NASDAQ (NASDAQ: RNW). Sumant returned to India in 2002 after a decade-long career in investment banking in the US and the UK, to join the Aditya Birla Group as the finance head. Sumant’s first brush with running a clean energy company came in...

About the Book

Fossil Free

Fossil Free explores the urgency, the challenges, and the opportunities of transitioning away from fossil fuels to cleaner sources of energy. The book serves as a rallying call to confront the greatest existential threat of our time - climate change. It is the first book to be penned by Sumant Sinha, founder of ReNew, India’s leading decarbonization solutions provider, wherein he provides a concise introduction to the challenges, realities, and complexities of the global and local energy industry, as well as the trends and forces driving the energy transition. The book explains how improved electricity infrastructure, decentralized smart grids, electric vehicles, energy storage, and market design are already providing clear pathways for the transition towards green, efficient, affordable, and secure renewable energy across the energy-use chain: extraction, conversion, transmission, distribution, and end use.


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"This book illuminates how India, an emerging economy that is home to 1.3 billion people, can lead the world in responding to the existential threat of the climate crisis. Sumant Sinha captures the unique challenges and opportunities of growing India’s economy by tapping into the unprecedented opportunities for implementing clean energy solutions. In doing so, he presents a compelling roadmap to a better, cleaner future for India—and other developing regions of the world."

"Our addiction to fossil fuels is at the core of the climate change crisis. Today, devastating impacts of a changing climate are showing up across the world—from blazing fires to intensification of cyclones. This is why this book, written by a practitioner—someone who is deeply involved with the renewable energy business—is a must-read. There is too much at stake today. So, read it and learn how we can change our common future. Together"

" Climate change is at the cusp of irreversibly damaging our planet. Sumant has put together an essential book on framing the problem and providing the solution—on how markets, entrepreneurs, and policymakers can come together to solve this crisis. We owe it to future generations to read this book and act on it. "

"A bold vision of a clean energy future for India from the man who transformed the country’s renewable energy industry "

"A must-read, this book is a great chronicle of the ongoing Indian energy transition, one of the momentous occurrences of our times. And that it is written by Sumant Sinha, who is at the centre of the transition, makes it doubly fascinating as well."

"A compelling book by a visionary leader. Sumant Sinha offers practical steps to help solve the climate crisis, drawing on his experience [of] founding and running India’s largest renewable power company. This book offers lessons that can make a difference around the world for years to come."

"Few books have impressed me as much as Sumant Sinha’s Fossil Free for its uniqueness, impact, effectiveness, vision and perspective. This book is insightful, thought-provoking, superbly researched and deftly crafted. A must-read for all those who envisage a new world of clean energy and zero emission mobility."

"Humanity’s future must be fossil free if we are to avoid catastrophic climate change, but plentiful energy is essential to prosperity and growth. The good news, brilliantly set out by Sumant Sinha, is that renewable electricity and other technologies now provide a clear route to affordable zero carbon energy for all. Sinha combines historical perspective and scientific understanding with the pragmatic insights of a successful business leader. The result is an important, compelling and exciting description of an attractive future, for India and the whole world."

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Kindle Edition

  • Print length: 372 pages
  • Language: English
  • Publisher: HarperBusiness
  • Publication date : 30 October 2020
  • File size: 2307 KB
  • Text-to-Speech:Enabled
  • Screen Reader: Supported

Paperback-Revised Edition

  • Paperback: 388 pages
  • Language: English
  • Publisher: HarperBusiness
  • Publication date : 30 August 2023
  • ISBN-10: 9356294321
  • ISBN-13: 978-9356294325
  • Item Weight: 500 g


  • Print length: 372 pages
  • Language: English
  • Publisher: HarperBusiness
  • Publication date : 30 October 2020
  • Dimensions: 13.97 x 2.54 x 21.59 cm
  • ISBN-10: 9390327008
  • Item Weight: 608 g
Media Coverage

Fossil Free 2.0 in News

Fossil Free in News 2020

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