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- All HBS Web
(586)
- News (97)
- Research (362)
- Multimedia (5)
- Faculty Publications (252)
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- April 2021
- Teaching Note
GreenFire Energy, 2020: Geothermal Innovation
By: John R. Wells and Benjamin Weinstock
In June 2020, after ten years of effort, GreenFire Energy Inc. (GreenFire) demonstrated its new geothermal electricity generation technology, ECO2G™. While conventional geothermal electricity only supplied 0.5% of US demand, the new technology promised to increase this... View Details
- January 2012
- Case
DONG Energy: Clean and Reliable Energy
By: Joseph L. Bower and Elena Corsi
Bower, Joseph L., and Elena Corsi. "DONG Energy: Clean and Reliable Energy." Harvard Business School Case 312-108, January 2012.
- 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
Keywords: Sustainability; Clean Technology; Renewable Energy; Energy Storage; Sustainability Management; Sustainable Business; Synergies; Green Hydrogen; Green Technology; Environment; Decarbonization; Carbon Emissions; Carbon Abatement; Energy; Accounting; Decision Making; Economics; Environmental Management; Growth and Development; Management; Operations; Science; Transportation; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Africa; Asia; Europe; North and Central America; South America; Middle East
Glenk, Gunther, and Stefan Reichelstein. "Economics of Converting Renewable Power to Hydrogen." Nature Energy 4, no. 3 (March 2019): 216–222.
- 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; Green Technology Industry; Colombia
Fioretti, Michele, and Jorge Tamayo. "Saving for a Dry Day: Coal, Dams, and the Energy Transition." Harvard Business School Working Paper, No. 22-016, August 2021.
- 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
- 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
- November 2011
- Teaching Note
Cape Wind: Offshore Wind Energy in the USA (TN)
- 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; Green Technology Industry
Roberts, Michael J., Joseph B. Lassiter III, and Ramana Nanda. U.S. Department of Energy & Recovery Act Funding: Bridging the "Valley of Death". Harvard Business School Case 810-144, June 2010. (Revised June 2011.)
- 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
Keywords: Green Energy; Start-up; Launch; Customer Acquisition; Customer Churn; Customer Engagement; Electricity; Resources; Growth Strategy; B-Corp; Entrepreneurial Journey; Entrepreneurial Management; Start-ups; Renewable Energy; Business Startups; Business Plan; Business Model; Working Capital; Customers; Growth and Development Strategy; United Kingdom
Wells, John R., and Benjamin Weinstock. "Bulb 2015: Foundation." Harvard Business School Case 719-440, December 2018. (Revised June 2021.)
- 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
Applegate, Lynda M., Frank V. Cespedes, and Michael Norris. "Yellow Digital Retailers: Providing Solar Electricity to Transform Rural Africa." Harvard Business School Case 821-041, February 2021.
- 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
Keywords: Rapid Growth Stage; Green Energy; Start-up; Customer Acquisition; Customer Churn; Customer Engagement; Electricity; Resources; Growth Strategy; B-Corp; Entrepreneurial Finance; Entrepreneurial Journey; Entrepreneurial Financing; Renewable Energy; Business Startups; Growth and Development Strategy; Business Model; Working Capital; Customers; Growth Management; Finance; Decision Making; United Kingdom
Wells, John R., and Benjamin Weinstock. "Bulb 2018: Hypergrowth." Harvard Business School Supplement 719-442, December 2018. (Revised June 2021.)
- 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
Keywords: Green Energy; Start-up; Launch; Customer Acquisition; Customer Churn; Customer Engagement; Electricity; Resources; Growth Strategy; B-Corp; Entrepreneurial Management; Entrepreneurial Journey; Entrepreneurial Financing; Renewable Energy; Business Startups; Growth and Development Strategy; Business Model; Working Capital; Product Launch; Customers; Growth Management; Business Plan; Decision Making; United Kingdom
Wells, John R., and Benjamin Weinstock. "Bulb 2017: Launch." Harvard Business School Supplement 719-441, December 2018. (Revised June 2021.)
- December 2023
- Article
Advances in Power-to-Gas Technologies: Cost and Conversion Efficiency
By: Gunther Glenk, Philip Holler and Stefan Reichelstein
Widespread adoption of hydrogen as an energy carrier is widely believed to require continued advances in Power-to-Gas (PtG) technologies. Here we provide a comprehensive assessment of the dynamics of system prices and conversion efficiency for three currently prevalent... View Details
Keywords: Clean Technology; Green Hydrogen; Carbon Emissions; Decarbonization; Learning By Doing; Environment; Energy; Environmental Accounting; Environmental Management; Sustainable Cities; Cost Accounting; Innovation and Management; Technology Adoption; Energy Policy; Engineering; Green Technology; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; North America; South America; Africa; Europe; Asia
Glenk, Gunther, Philip Holler, and Stefan Reichelstein. "Advances in Power-to-Gas Technologies: Cost and Conversion Efficiency." Energy & Environmental Science 16, no. 12 (December 2023): 6058–6070.
- February 2015 (Revised June 2016)
- Case
Solar Geoengineering
By: Joseph B. Lassiter III and Stephanie Puzio
On December 8th 2013, as Dr. David Keith was leaving the set of the Colbert Show, he couldn't help but replay the interview over and over in his mind. Did he actually get his point of view on solar geoengineering across or had he just added to the stereotype that he... View Details
Keywords: Geoengineering; Carbon; Carbon Emissions; Energy; Nuclear; Nuclear Energy; De-extinction; Climate Change; Engineering; Entrepreneurship; Innovation and Invention; Energy Sources; Green Technology Industry; Green Technology Industry
Lassiter, Joseph B., III, and Stephanie Puzio. "Solar Geoengineering." Harvard Business School Case 815-081, February 2015. (Revised June 2016.)
- March 2023
- Teaching Note
Northvolt: Building Batteries to Fight Climate Change
By: Debora L. Spar, George Serafeim and Julia Comeau
Teaching Note for HBS Case No. 323-042. View Details
- January 2025
- Technical Note
Get Cool: Air Conditioning Industry Background
By: Rosabeth Moss Kanter and Jacob A. Small
The “air conditioning paradox” is tied to climate change: the more the planet warms, the greater the need for cooling (due to the dangers of extreme heat as well as comfort within buildings), but the use of electricity-powered AC contributes to further warming. There... View Details
Keywords: Appliances; Global Warming; Energy Efficiency; Climate Change; Venture Capital; Demand and Consumers; Distribution Channels; Green Technology; United States; Asia
Kanter, Rosabeth Moss, and Jacob A. Small. "Get Cool: Air Conditioning Industry Background." Harvard Business School Technical Note 325-077, January 2025.
- 2013
- Chapter
Beyond Platinum: Making the Case for Titanium Buildings
By: Jock Herron, Amy C. Edmondson and Robert G. Eccles
Buildings are the nation's greatest energy consumers. Forty percent of all our energy is used for heating, cooling, lighting, and powering machines and devices in buildings. And despite decades of investment in green construction technologies, residential and... View Details
Keywords: Buildings and Facilities; Energy; Attitudes; Environmental Sustainability; Green Technology Industry; Green Technology Industry; United States
Herron, Jock, Amy C. Edmondson, and Robert G. Eccles. "Beyond Platinum: Making the Case for Titanium Buildings." Chap. 4 in Constructing Green: The Social Structures of Sustainability, by Rebecca L. Henn and Andrew J. Hoffman, 77–100. MIT Press, 2013.
- December 2018 (Revised May 2019)
- Case
Darling Ingredients International
By: David E. Bell and Natalie Kindred
Led by CEO Randall Stuewe, Texas-based Darling Ingredients International was a rendering firm with $3.7 billion in 2017 revenues. Since 2003, Darling had transformed from U.S. focused into a global player in the processing of biological waste from meat and foodservice... View Details
Keywords: Darling; Ingredients; Stuewe; Rendering; Animal Byproducts; Used Cooking Oil; UCO; Diamond Green Diesel; DGD; Valero; Renewable Diesel; Biofuel; Recycling; Carbon; LCFS; Blend; Blender; Strategy; Corporate Strategy; Renewable Energy; Food; Agribusiness; Expansion; Diversification; Growth Management; Technological Innovation; Policy; Government Legislation; Energy Industry; Energy Industry; Energy Industry; United States; Louisiana; California; Texas
Bell, David E., and Natalie Kindred. "Darling Ingredients International." Harvard Business School Case 519-048, December 2018. (Revised May 2019.)
- 2013
- Book
Constructing Green: The Social Structures of Sustainability
By: Rebecca Henn and Andrew J. Hoffman
Buildings are the nation's greatest energy consumers. Forty percent of all our energy is used for heating, cooling, lighting, and powering machines and devices in buildings. And despite decades of investment in green construction technologies, residential and... View Details
Henn, Rebecca, and Andrew J. Hoffman, eds. Constructing Green: The Social Structures of Sustainability. MIT Press, 2013. (Honorable Mention for the 2014 Best Book Award, Organizations and Natural Environment Division, Academy of Management.)