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- Faculty Publications (101)
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- All HBS Web (473)
- Faculty Publications (101)
- 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.
- March 1, 2021
- Article
Transitioning to Clean Energy Transportation Services: Life-cycle Cost Analysis for Vehicle Fleets
By: Stephen Comello, Gunther Glenk and Stefan Reichelstein
Comprehensive global decarbonization requires that transportation services cease to rely on fossil fuels for power generation. This paper develops a generic, time-driven life-cycle cost model for mobility services to address two closely related questions central to the... View Details
Keywords: Decarbonization; Electric Vehicles; Renewable Energy; Biofuel; Carbon Emissions; Mobility; Batteries; Energy; Environmental Management; Environmental Accounting; Transportation; Operations; Management; Sustainable Cities; Decision Making; Investment; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Europe; North America; South America; Africa; Asia
Comello, Stephen, Gunther Glenk, and Stefan Reichelstein. "Transitioning to Clean Energy Transportation Services: Life-cycle Cost Analysis for Vehicle Fleets." Art. 116408. Applied Energy 285 (March 1, 2021).
- October 2007 (Revised March 2009)
- Case
Advanced Energy: Programs for Energy Conservation
By: V. Kasturi Rangan and Brooke Barton
Describes the dilemma facing Advanced Energy (AE), a $6 million nonprofit engaged in energy conservation in North Carolina. Most of the money for its programs comes from a Public Benefits Fund (PBF) enacted by the state legislature. With renewed effort by activists in... View Details
Keywords: Energy Conservation; Public Equity; Performance Efficiency; Nonprofit Organizations; Conflict and Resolution; Energy Industry; Energy Industry
Rangan, V. Kasturi, and Brooke Barton. "Advanced Energy: Programs for Energy Conservation." Harvard Business School Case 508-003, October 2007. (Revised March 2009.)
- 2023
- Working Paper
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 Tech; Decarbonization; Carbon Emissions; Learning By Doing; Environment; Energy; Environmental Management; Sustainable Cities; Price; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Europe; North America; South America; Africa; Asia
Glenk, Gunther, Philip Holler, and Stefan Reichelstein. "Advances in Power-to-Gas Technologies: Cost and Conversion Efficiency." TRR 266 Accounting for Transparency Working Paper Series, No. 109, December 2022.
- Article
A Simple Solution to a Very Old Problem
By: Hoff Stauffer and Jurgen Weiss
The article addresses the problem of fixed cost recovery via variable electricity rates creating disincentives for utilities to engage in energy efficiency. The article provides one solution, which is to decouple fixed cost recovery from sales volumes, with the help of... View Details
Stauffer, Hoff, and Jurgen Weiss. "A Simple Solution to a Very Old Problem." Electricity Journal 19, no. 4 (May 2006): 56–59.
- 09 Aug 2010
- Research & Ideas
How to Speed Up Energy Innovation
Is there a special sauce for stimulating innovation in the energy sector, a concoction to spur cost-effective developments toward solving the climate change problem? HBS professor Rebecca Henderson doesn't claim to know all the ingredients for that special sauce. But... View Details
- August 2013 (Revised January 2016)
- Case
Sustainability at Siemens
By: V. Kasturi Rangan, Amy C. Edmondson, Daniela Beyersdorfer and Emer Moloney
Describes sustainability efforts at Siemens since arrival of Chief Sustainability Officer, Barbara Kux, in 2008. Asks students to evaluate success of those efforts and outline what the company should do going forward. View Details
Keywords: Corporate Sustainability; Energy Efficiency; Organizational Change and Adaptation; Change Management; Supply Chain Management; Corporate Social Responsibility and Impact; Energy Conservation; Environmental Sustainability; Gender; Electronics Industry
Rangan, V. Kasturi, Amy C. Edmondson, Daniela Beyersdorfer, and Emer Moloney. "Sustainability at Siemens." Harvard Business School Case 514-026, August 2013. (Revised January 2016.)
- 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.
- July 2024 (Revised December 2024)
- Background Note
District Heating: An Overview
By: Willy Shih and Michael W. Toffel
This note provides an overview of district heating: systems in which central plants generate heat that is conveyed by steam or water through a set of insulated pipes to send heat to residential and/or commercial buildings. It describes key elements of the system (heat... View Details
Keywords: Decarbonization; Energy Efficiency; Energy Storage; Energy Transmission; Construction; Energy; Buildings and Facilities; Governing Rules, Regulations, and Reforms; Climate Change; Operations; Energy Industry; Denmark; Europe; United States
Shih, Willy, and Michael W. Toffel. "District Heating: An Overview." Harvard Business School Background Note 625-008, July 2024. (Revised December 2024.)
- 04 Sep 2008
- Working Paper Summaries
Wellsprings of Creation: Perturbation and the Paradox of the Highly Disciplined Organization
- 29 Oct 2015
- Blog Post
Why We Recruit: Bloom Energy
Helen Textor, Director of Talent Acquisition, Bloom Energy Describe your organization in three to five sentences. Founded in 2001, Bloom Energy is a provider of breakthrough fuel cell technology generating... View Details
Keywords: Manufacturing
- December 2018
- Case
First Utility Ltd.
By: John R. Wells and Benjamin Weinstock
At the end of 2017 First Utility Ltd. was the largest of the middle-tier domestic energy suppliers in the United Kingdom, serving 808,000 of the country’s 27 million households with electricity and gas. In Q1 2017 First Utility captured 3% market share. The company had... View Details
Keywords: Rapid Growth Stage; Power/Energy; Energy Efficiency Standards; Energy; Competition; Diversification; Acquisition; Expansion; Growth Management; Energy Industry; United Kingdom
Wells, John R., and Benjamin Weinstock. "First Utility Ltd." Harvard Business School Case 719-425, December 2018.
- 16 Mar 2023
- Blog Post
HySynergy and Crossbridge Energy
In January 2023, Professors Willy Shih and Mike Toffel led more than 40 HBS MBA students on site visits to witness the energy transition and innovative sustainable production activities throughout Denmark and the Netherlands, in their new... View Details
- September 2023
- Supplement
CMA CGM: Reducing the Carbon Footprint of Container Shipping
By: Willy Shih
Marine transport is the most cost-effective way to move large volumes over long distances, and container shipping is the backbone of international trade in goods. Yet shipping contributed 3% of worldwide greenhouse gas emissions, and the deep-sea segment, which... View Details
- September 2023
- Supplement
CMA CGM: Reducing the Carbon Footprint of Container Shipping
By: Willy Shih
Marine transport is the most cost-effective way to move large volumes over long distances, and container shipping is the backbone of international trade in goods. Yet shipping contributed 3% of worldwide greenhouse gas emissions, and the deep-sea segment, which... View Details
- 2025
- Working Paper
Narrative AI and the Human-AI Oversight Paradox in Evaluating Early-Stage Innovations
By: Jacqueline N. Lane, Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh and Pei-Hsin Wang
Do AI-generated narrative explanations enhance human oversight or diminish it? We investigate this question through a field experiment with 228 evaluators screening 48 early-stage innovations under three conditions: human-only, black-box AI recommendations without... View Details
Lane, Jacqueline N., Léonard Boussioux, Charles Ayoubi, Ying Hao Chen, Camila Lin, Rebecca Spens, Pooja Wagh, and Pei-Hsin Wang. "Narrative AI and the Human-AI Oversight Paradox in Evaluating Early-Stage Innovations." Harvard Business School Working Paper, No. 25-001, August 2024. (Revised May 2025.)
- 21 Mar 2024
- Blog Post
IFC India: Renewable Energy - CleanMax
Shah, realized corporations were seeking cost efficient ways to reduce their environmental footprint while simultaneously the cost of solar energy was decreasing. There are several key accomplishments under... View Details
- September 2016 (Revised September 2016)
- Case
Spectio: A Digital Lighting Company
By: Rajiv Lal and Sarah McAra
Spectio Tech, founded in 2005, developed and implemented intelligent LED lighting solutions for the industrial market. Sensors and wireless connectivity embedded in its LED fixtures not only significantly reduced lighting-related energy use—by up to 90% in some... View Details
Keywords: Internet Of Things; IoT; LED Lighting; Start-up; Energy Efficiency; Information Technology; Technology Adoption; Technological Innovation; Business Startups; Internet and the Web
Lal, Rajiv, and Sarah McAra. "Spectio: A Digital Lighting Company." Harvard Business School Case 517-002, September 2016. (Revised September 2016.)
- 08 Apr 2011
- Research & Ideas
Will the Japan Disaster Remake the Landscape for Green Energy in Asia?
Even before the recent earthquake, tsunami, and nuclear meltdown in Japan, many parts of Asia had already begun investing in "green" energy. But the disaster has certainly upped the urgency of the discussions. “It's driven a lot of people to have a bit of a... View Details