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March 2019
Article

Economics of Converting Renewable Power to Hydrogen

By: Gunther Glenk and Stefan Reichelstein

The recent sharp decline in the cost of renewable energy suggests that the production of hydrogen from renewable power through a power-to-gas process might become more economical. Here we examine this alternative from the perspective of an investor who considers a... View Details

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January 2012
Case

DONG Energy: Clean and Reliable Energy

By: Joseph L. Bower and Elena Corsi

Keywords: Energy; Green Technology Industry; Green Technology Industry; Denmark

Why you should watch: A new and important NBER working paper, by Cohen, Gurun and Nguyen, takes a long hard look at innovation in the energy industry - and concludes that divestment campaigns targeted at fossil fuel companies may not just be ineffective.... View Details

2021
Working Paper

Saving for a Dry Day: Coal, Dams, and the Energy Transition

By: Michele Fioretti and Jorge Tamayo

Renewable generation creates a tradeoff between current and future energy production as generators produce energy by releasing previously stored resources. Studying the Colombian market, we find that diversified firms strategically substitute fossil fuels for... View Details

Keywords: Energy Generation; Renewable Energy; Production; Green Technology Industry; Energy Industry; Colombia

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01 Dec 2019
News

Organic Matter

above: Neil Black (left) and N. Ross Buckenham at a California Bioenergy partner dairy in Bakersfield, California (photo by Christina Gandolfo) Cars and coal—not cows—are most frequently cited as drivers of climate change. But bovine burps and manure are also... View Details

Keywords: Julia Hanna; green business; agriculture; alternative energy; Agriculture

1 Dec 2010
Panel Discussion

Venture Capital Investments in Clean Energy

By: Ramana Nanda

Keywords: Energy; Green Technology Industry; Green Technology Industry

July 2024 (Revised September 2024)
Case

Shell’s Balancing Act: Resource Allocation and the Green Transition (Abridged)

By: David Collis and Haisley Wert

In mid-2023, amid pressure from climate change activists, shareholder activists, and confronting enormous uncertainty about the future demand for and price of fossil fuels, new Shell CEO Wael Sawan (Harvard MBA 2003) announced a change in strategy for the U.K. oil... View Details

Keywords: Oil ＆ Gas; Renewables; Forecasting Demand; Strategy; Energy; Climate Change; Resource Allocation; Corporate Strategy; Investment Activism; Organizational Change and Adaptation; Organizational Culture; Energy Industry

17 Nov 2022
Blog Post

Creating Emerging Markets Sustainability Series - The Future of Green Building

airflow will come through the buildings because they all have exhaust. All that, back in the ’90s, was before even LEED [Leadership in Energy and Environmental Design; green building certification] had... View Details

November 2011
Teaching Note

Cape Wind: Offshore Wind Energy in the USA (TN)

By: Richard H.K. Vietor

Keywords: Energy Sources; Green Technology Industry; Green Technology Industry; United States

May 2024 (Revised May 2024)
Case

Shell's Balancing Act: Resource Allocation and the Green Transition

By: David Collis and Haisley Wert

In mid-2023, amid pressure from climate change activists, shareholder activists, and confronting enormous uncertainty about the future demand for and price of fossil fuels, new Shell CEO Wael Sawan (Harvard MBA 2003) announced a change in strategy for the U.K. oil... View Details

Keywords: Portfolio Analysis; Climate; Oil; Oil And Gas; Oil Companies; Renewables; Petroleum; Investor Demand; Investors; Corporate Strategy; Resource Allocation; Climate Change; Corporate Social Responsibility and Impact; Organizational Change and Adaptation; Organizational Culture; Business and Stakeholder Relations; Business and Shareholder Relations; Energy Industry; United Kingdom

June 2010 (Revised June 2011)
Case

U.S. Department of Energy & Recovery Act Funding: Bridging the "Valley of Death"

By: Michael J. Roberts, Joseph B. Lassiter III and Ramana Nanda

The case focuses on the U.S. Department of Energy (DOE) and the $38 billion of stimulus funding the DOE received to encourage clean tech. They focus on "bridging the valley of death" (i.e., helping young, innovative companies finance technically risky and very capital... View Details

Keywords: Entrepreneurship; Financing and Loans; Government and Politics; Innovation and Invention; Programs; Business and Government Relations; Climate Change; Energy Industry; Energy Industry

01 Jun 2002
News

Profile: The Invisible Hand - Robert Massie and God's Green Earth

“helps businesses provide this increasingly important information in a more rationalized way.” Massie's energy and output is even more remarkable given the fact that some twenty years ago, he acquired HIV in the course of his many... View Details

Keywords: Garry Emmons; management; ethics

15 Aug 2024
Blog Post

Navigating the Future of Renewable Energy at Port Esbjerg

In January 2024, Professors Willy Shih and Mike Toffel led 45 HBS MBA students on site visits to witness the energy transition and innovative sustainable production activities throughout Denmark and the Netherlands, in the second year of... View Details

December 2018 (Revised June 2021)
Case

Bulb 2015: Foundation

By: John R. Wells and Benjamin Weinstock

In late August 2015, Amit Gudka and Hayden Wood, co-founders of Bulb, Ltd (Bulb), were ready to offer affordable renewable energy to the United Kingdom’s 27 million households. They hoped to capitalize on the hundreds of thousands of customers switching their energy... View Details

December 2018 (Revised June 2021)
Supplement

Bulb 2018: Hypergrowth

By: John R. Wells and Benjamin Weinstock

After a wild and volatile year, Bulb, a new entrant in the UK residential energy market, ended March 2018 with 329,171 properties, 1.2% of the total residential energy market). This was 150% ahead of a plan for 130,000 properties and almost ten times the size the... View Details

February 2021
Case

Yellow Digital Retailers: Providing Solar Electricity to Transform Rural Africa

By: Lynda M. Applegate, Frank V. Cespedes and Michael Norris

In 2020, Mike Heyink and Maya Stewart, co-founders of the Pay-as-you-Go Solar company Yellow were considering how to grow their startup. They had achieved some success in their first market, Malawi, and had recently entered Uganda, where business was slower. What did... View Details

Keywords: Solar Energy; Business Model; Business Startups; Developing Countries and Economies; Alternative Energy; Renewable Energy; Social Entrepreneurship; Green Technology; Salesforce Management; Diversification; Expansion; Energy Industry; Africa; South Africa; Malawi; Uganda

27 Mar 2025
Blog Post

IFC India 2025: Driving India's EV Future: Insights from Ather Scooter and Exponent Energy

challenges traditional manufacturing norms and promotes inclusivity. This commitment to diversity reflects a broader goal of aligning the green transition with social impact and equity. Exponent EnergyExponent View Details

December 2018 (Revised June 2021)
Supplement

Bulb 2017: Launch

By: John R. Wells and Benjamin Weinstock

On August 21, 2015, Amit Gudka and Hayden Wood, co-founders of Bulb Ltd. (Bulb) launched a new business to supply energy to the United Kingdom’s 27 million residential homes with a promise of 100% renewable electricity at affordable prices. By the end of March 2017,... View Details