Publications

2022
Article

Reversible Power-to-Gas Systems for Energy Conversion and Storage

By: Gunther Glenk and Stefan Reichelstein

In the transition to decarbonized energy systems, Power-to-Gas (PtG) processes have the potential to connect the existing markets for electricity and hydrogen. Specifically, reversible PtG systems can convert electricity to hydrogen at times of ample power supply, yet... View Details

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March 2020
Article

Estimating the Value of Electricity Storage in PJM: Arbitrage and Some Welfare Effects

By: Ramteen Sioshansi, Paul Denholm, Thomas Jenkin and Jurgen Weiss

Significant increases in prices and price volatility of natural gas and electricity have raised interest in the potential economic opportunities for electricity storage. The paper analyzes the arbitrage value of a price-taking storage device in PJM during the six-year... View Details

Keywords: Energy Storage; Arbitrage; Energy; Energy Industry

Find at Harvard

2025
Working Paper

Residential Battery Storage - Reshaping The Way We Do Electricity

By: Christian Kaps and Serguei Netessine

In this paper, we aim to understand when private households invest in behind-the-meter battery storage next to rooftop solar and how those batteries impact households, the electricity market, and emissions. We answer three main research questions: 1) When do customers... View Details

Keywords: Solar Power; Energy Storage; Technology And Innovation Management; Energy; Energy Policy; Renewable Energy; Technological Innovation; Innovation and Management; Energy Industry

SSRN

December 2018 (Revised May 2021)
Background Note

Making UK Energy Smarter

By: John R. Wells and Benjamin Weinstock

This case describes the history of the United Kingdom's domestic energy industry and the country's efforts to create a more competitive, greener, and distributed power sector. On July 24, 2017, the United Kingdom government and the industry regulator, the Office of Gas... View Details

February 2013 (Revised December 2015)
Case

Groom Energy Solutions: Selling Efficiency

By: Michael W. Toffel, Kira R. Fabrizio and Stephanie van Sice

Groom Energy Solutions helps organizations reduce their energy use and costs through the implementation of energy efficiency measures, which create long-term financial and environmental benefits. With early success serving customers in the cold storage and industrial... View Details

Keywords: Groom Energy Solutions; Jon Guerster; Salem, MA; Energy Management; Energy Efficiency Paradox; Sustainability Management; Manufacturing; Cold Storage; Commercial Real Estate; Enterprise Smart Grid; Carbon Accounting; LED Lighting; Sustainability Research; Entrepreneurship; Environmental Entrepreneurship; Energy Entrepreneurship; Energy Services; Electricity; Startup; Expansion; Growth; Sustainability; Business Startups; Forecasting and Prediction; Energy Conservation; Revenue; Geographic Location; Human Resources; Management; Growth and Development Strategy; Market Entry and Exit; Operations; Service Delivery; Strategic Planning; Science; Environmental Sustainability; Climate Change; Society; Social Issues; Technology Adoption; Energy Industry; Green Technology Industry; Technology Industry; Utilities Industry; United States; Boston

March 2021
Teaching Note

State of Charge: The Massachusetts Energy Storage Initiative

By: John R. Wells and Benjamin Weinstock

November 2021 (Revised May 2022)
Case

QuantumScape's Mission to Revolutionize Energy Storage for a Sustainable Future

By: William A. Sahlman, Allison M. Ciechanover and Jeff Huizinga

QuantumScape CEO Jagdeep Singh juggles the many activities required to lead the next-generation battery pioneer. Founded in 2010, QuantumScape’s mission was to develop new “solid-state” car batteries that would improve upon traditional lithium-ion batteries in key... View Details

Keywords: Batteries; Electric Vehicles; SPACs; Innovation and Management; Technological Innovation; Science-Based Business; Environmental Sustainability; Auto Industry; Energy Industry; California; San Jose

December 2023
Article

When Should the Off-Grid Sun Shine at Night? Optimum Renewable Generation and Energy Storage Investments

By: Christian Kaps, Simone Marinesi and Serguei Netessine

Globally, 1.5 billion people live off the grid, their only access to electricity often limited to operationally-expensive fossil fuel generators. Solar power has risen as a sustainable and less costly option, but its generation is variable during the day and... View Details

Keywords: Energy; Renewable Energy

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October 2010 (Revised July 2013)
Case

AEP: Carbon Capture and Storage

By: Richard H.K. Vietor

By October 2010, American Electric Power, the largest coal-fired, electric utility in the United States, had been operating a carbon capture and sequestration pilot plant for one year. Using a proprietary, Alstom chilled ammonia technology, AEP was capturing and... View Details

Keywords: Energy Generation; Government Legislation; Technological Innovation; Partners and Partnerships; Projects; Decision Choices and Conditions; Environmental Sustainability; Problems and Challenges; Utilities Industry; United States

January 2024 (Revised January 2025)
Case

Colbún and Chile’s Energy Transition

By: Forest Reinhardt, Jenyfeer Martinez Buitrago and Mariana Cal

In May 2023, Colbún, Chile’s second-largest electricity generator, plans capacity expansions using renewable energy and storage. This strategy supports Chile’s commitment to carbon neutrality (also known as net zero emissions) by 2050. The case delves into the... View Details

Keywords: Transition; Energy Generation; Renewable Energy; Climate Change; Investment; Governing Rules, Regulations, and Reforms; Infrastructure; Organizational Change and Adaptation; Expansion; Business Strategy; Energy Industry; Utilities Industry; Latin America; South America; Chile

Teaching Interest

Overview

21st Century Energy — Dr Crawford teaches this EC course, which exposes students to business models and management diilemmas, all along the energy value chain — from oil sands and pipelines, to coal and natural gas, hydro and nuclear, wind and solar, to biofuels. The... View Details

November 2011
Teaching Note

AEP: Carbon Capture and Storage (TN)

By: Richard H.K. Vietor

Keywords: Energy; Energy Industry; Green Technology Industry

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

24 Oct 2018
Blog Post

The Energy & Environment Club

Comprised of over 200 students, the HBS Energy & Environment Club promotes the energy, clean tech, and environment-related industries at Harvard Business School. The mission of the club is to develop the next generation of leaders in... View Details

October 2021 (Revised May 2023)
Case

FirstLight Power – Pumped Storage for the (New) Ages

By: Jurgen Weiss

November 2023
Article

Coalition Cascades: The Politics of Tipping Points in Clean Energy Transitions

By: Jonas Meckling and Nicholas Goedeking

Policy change often involves multiple policy subsystems, as in the case of clean energy transitions. We argue that trans- subsystem policy feedback is a central dynamic in policy change across subsystems. Policy in one subsystem creates ... View Details

Keywords: Policy; Transition; Energy Sources; System