Publications
Publications
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- All HBS Web
(705)
- Faculty Publications (134)
- 2025
- Working Paper
When Where Watt: Harnessing the Value of Time and Location for Renewable Electricity Generation
By: Vishrut Rana, Christian Kaps and Serguei Netessine
Problem definition: Investments in renewable energy have surged worldwide in recent years, with over $2 trillion spent globally on clean energy. This surge was driven by growing policy support, concerns about energy security, and, most importantly, the cost... View Details
- July 2023
- Supplement
Reimagining Enel: Enabling Sustainable Progress (A)
By: Michael Tushman and Kerry Herman
This case describes the transformation of Enel from a traditional “brown” or fossil fuel energy firm to a sustainable and green firm focused on renewables, and finally to an energy supplier and integrated energy services firm. It describes a set of capabilities... View Details
- May 2023
- Case
Natural Gas in New England
By: Robin Greenwood, Richard S. Ruback and Gil Highet
Participants in the New England power market are exploring several strategies to meet the region's renewable power goals while also providing its residents with inexpensive and reliable electricity and heating fuel. New England was a first-mover into natural gas power... View Details
- May 2023
- Article
Decarbonizing Health Care: Engaging Leaders in Change
By: Vivian S. Lee, Kathy Gerwig, Emily Hough, Kedar Mate, Robert Biggio and Robert S. Kaplan
Health care leaders are often surprised to learn that their operations contribute
significantly to a warming climate. In addition to their roles as responders to and victims
of extreme weather events, health care organizations have an obligation to reduce... View Details
- February 2023
- Article
Climate Solutions Investments
By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang
An increasing number of companies are providing products and services that help reduce carbon emissions in the economy. We develop a methodology to identify those companies and create a sample of publicly listed climate solutions companies allowing us to study their... View Details
- January 2023 (Revised December 2023)
- Case
OhmConnect: Energizing the Future
By: Jeffrey F. Rayport, Jennifer Fonstad and Nicole Tempest Keller
Founded in 2013, OhmConnect was a free consumer web app that alerted customers about peak hours of electricity demand, and paid them to lower their energy use at home during these periods. The company sold the aggregated reductions generated by thousands of households... View Details
Keywords: App Development; Renewable Energy; Electricity Usage; Regulations; VC; Technology; Customer Acquisition Cost (CAC); Scalability; Applications and Software; Growth and Development Strategy; Governing Rules, Regulations, and Reforms; Business Model; Venture Capital; Energy Industry; United States; California; Texas; Europe
- January 2023 (Revised June 2024)
- Case
Elon Musk at Tesla
By: George Serafeim and Amram Migdal
This case gives an overview of Elon Musk’s career arc through the lens of the 2003 founding of Tesla and its growth through 2022. Background information is included on Tesla’s unique strategic decisions, its operational and reputational struggles and successes, and the... View Details
Keywords: Business Ventures; Decision Making; Design; Energy; Renewable Energy; Engineering; Entrepreneurship; Environmental Management; Climate Change; Environmental Sustainability; Green Technology; Values and Beliefs; Governance; Innovation and Invention; Innovation Leadership; Innovation Strategy; Leadership; Leadership Style; Management; Goals and Objectives; Organizations; Mission and Purpose; Society; Social Issues; Strategy; Transportation; Value; Auto Industry; Transportation Industry
- January 2023
- Case
EKI Energy Services: One Billion Carbon Credits
By: George Serafeim
Within nine months from the time of its Initial Public Offering (IPO) in April of 2021, EKI Energy Services (EKI) shares had increased by more than 8,000%. Equally explosive was the growth of the company’s revenues and Earnings Before Interest, Taxes and Depreciation... View Details
- December 2022
- Technical Note
Risks and Opportunities from the Transition to a Low Carbon Economy: A Business Analysis Framework
By: George Serafeim
The transition to a low carbon economy introduces many risks and opportunities for businesses. Risks emerge from regulatory actions, such as carbon taxes and cap and trade systems, technological innovation that develop alternatives for customers making existing... View Details
Keywords: Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Risk Management; Competitive Dynamics; Business Analysis; Climate Change; Accounting; Finance; Valuation; Business and Shareholder Relations; Technological Innovation; Transition; Product Positioning; Renewable Energy; Analysis
- December 2022 (Revised May 2023)
- Case
Iberdrola: Leading the Energy Revolution
By: Juan Alcácer and Emer Moloney
At the end of 2019, Ignacio Galán, the Chairman and CEO of the world's third largest utility, Iberdrola, reflected on his almost 20 years at the company. He managed a portfolio of three very different businesses, each with their own specific opportunities and... View Details
Keywords: Energy; Energy Generation; Energy Sources; Non-Renewable Energy; Renewable Energy; Engineering; Innovation and Management; Innovation Leadership; Innovation Strategy; Technological Innovation; Leadership; Growth and Development Strategy; Market Timing; Industry Growth; Mission and Purpose; Strategy; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Spain; United Kingdom; United States; Brazil; Mexico
- October 2022 (Revised December 2022)
- Case
Reimagining Enel: Enabling Sustainable Progress (A)
By: Michael L. Tushman and Kerry Herman
CEO Francesco Starace is considering what is next for Enel SpA, one of world's largest energy companies. From 2014 to 2022, he has wrought a dramatic transformation at Enel, restructuring the company's business units; redeploying senior talent across functions and... View Details
Keywords: Leadership; Leadership And Change Management; Leadership Style; Leadership Succession; Renewables; Energy; Transformation; Renewable Energy; Business Divisions; Digital Transformation; Restructuring; Organizational Structure; Energy Industry; Europe; Latin America; North America; Spain; Italy
- July 2022
- Case
David Crane’s Clean(er) Energy Strategy at NRG
By: George Serafeim, Michael W. Toffel and Tom Quinn
In 2015, David Crane was the CEO of NRG, the second-largest energy producer in the United States. NRG got most of its power from fossil fuels, but Crane – hired as CEO in 2003 as NRG emerged from bankruptcy – had invested heavily in alternative energy, loudly... View Details
- June 2022
- Case
PFA Pensions: The Climate Plus Product
By: Daniel Green, Victoria Ivashina and Alys Ferragamo
The case explores whether alternative investments play a unique role in achieving low carbon dioxide emissions at the portfolio level. This case is set in April of 2020 and follows Kasper Ahrndt Lorenzen, Chief Investment Officer, and Peter Tind Larsen, Head of... View Details
- 2022
- Chapter
Capitalism and the Environment
By: Geoffrey Jones
Capitalism drove the environmental decimation of the planet. The environment was seen as a free good, while the consequences of dirty industrial and agricultural processes were seen as external to the firm. Public policies largely allowed this to happen, as politicians... View Details
- January 2022 (Revised February 2022)
- Case
Envision Group
By: Gunnar Trumbull, Bonnie Yining Cao and Dawn H. Lau
Based in China, Envision was one of the world’s leading Greentech companies. Chief Executive Officer Lei Zhang had set the goal of achieving carbon neutrality across the company’s global operations and supply chain by 2022 and 2028 respectively. As part of its... View Details
Keywords: Green Technology; Climate Change; Emerging Markets; Information Technology; Strategy; Management; Renewable Energy; Energy Policy; Environmental Sustainability; Manufacturing Industry; Auto Industry; Green Technology Industry; Battery Industry; China; United States; Japan; United Kingdom; France
- January 2022 (Revised January 2024)
- Case
ReNew Power: Leading the Energy Transition in India
By: Gunnar Trumbull and Malini Sen
Founder-CEO of one of India’s largest clean energy companies, ReNew Power, which develops, builds, and operates utility-scale wind and solar energy projects, has to decide the way forward for the company as the country and the world stand poised at the cusp of an... View Details
- January 2022 (Revised December 2022)
- Case
TotalEnergies’ Investment in Hyzon Motors
By: Vikram S. Gandhi and David Lane
In November 2021, Girish Nadkarni, the head of TotalEnergies’ corporate venture capital arm (TEV) was considering whether, and on what terms, to exit an investment in Hyzon Motors, a start-up supplier of hydrogen-powered trucks. TEV had invested $4 million in Hyzon,... View Details
- October 2021 (Revised February 2022)
- Case
Green Hydrogen in Chile
By: Tarun Khanna, Jenyfeer Martínez Buitrago and Mariana Cal
In 2020, the Chilean government wants to promote green hydrogen, a technology with high potential to help mitigate climate change. President Sebastián Piñera, aware of the country's advantages to produce green hydrogen competitively, asks Energy Minister Juan Carlos... View Details
Keywords: COVID-19 Pandemic; Decision Making; Alternative Energy; Renewable Energy; Climate Change; Environmental Sustainability; Green Technology; Financial Instruments; Energy Policy; Government Administration; Strategy; Government and Politics; Social Issues; Energy Industry; Latin America; South America; Chile
- October 2021 (Revised May 2023)
- Case
Engine No. 1: An Impact Investing Firm Engages with ExxonMobil
By: Mark Kramer, Shawn Cole, Vikram S. Gandhi and T. Robert Zochowski
ExxonMobil, the world's fifth largest source of carbon emissions, remained committed to aggressively expanding its oil & gas business despite global warming. During the COVID pandemic this strategy resulted in massive losses as the price and demand for oil declined. ... 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