Navigating Uncertainty

The electricity grid is evolving. Power markets are volatile, fragmented and constantly changing due to regulatory, legislative and energy policy activities, and the rapid mainstreaming of new technologies. NorthBridge Energy Partners help clients recognize, prepare for, and benefit from opportunities as they position themselves and their technologies according to market dynamics, customers’ needs and competition.



NorthBridge Energy Partners founding principals, Leighton Wolffe and Peter Kelly-Detwiler, have 50 years of combined experience in electricity markets, demand management, and the energy technology industries. Together, they possess a unique body of expertise when it comes to combining these disciplines to develop and deploy strategic business development and technology initiatives. 

Having worked together for a number of years as senior executives in the energy industry, Leighton and Peter sponsored and led development of VirtuWatt - the first-to-market demand management platform connecting industrial facilities and commercial buildings with competitive electricity markets. Since then, they have been active as consultants helping clients to develop innovative products, services and technologies that can interact with energy markets and participate in both supply side and demand side revenue streams.

Peter Kelly-Detwiler, co-founder of Northbridge Energy Partners has over 20 years experience in the energy industry. Peter’s career has focused on the development of retail competitive markets, as well as new trends, technologies, market developments, and sustainable solutions that create value in the energy space.

He plays a key role in evaluating opportunities and technologies in constantly emerging power markets. As an industry expert in demand response, he understands the highly complex interaction between energy-consuming assets and power markets.

Peter is also an active contributor for, covering a broad variety of topics, including the economics of natural gas supply and electricity generation, evolving supply and demand technologies, and general trends affecting the energy industry today.

Peter previously served as Senior Vice President of Energy Technology Services at Constellation NewEnergy. In this role, Peter established the Demand Response group and oversaw its growth to 1700 MW of dispatchable load. He led the team in developing and patenting VirtuWatt, the industry-leading real-time energy use and automated load control platform.

His earlier career involved various aspects of retail power markets, and he served as both Director of Customer Service, East Coast (AES NewEnergy) and Sr. Director of Operations, New England at (Constellation NewEnergy), a leading competitive retail energy supplier. Peter was also an Adjunct Faculty member in the two-year applied MBA program at Carey School of Business, Johns Hopkins University.

Mr. Kelly-Detwiler attended Williams College from 1979 – 1983 and the Tufts University’s Fletcher School from 1986 - 1988.  He enjoys frequent speaking engagements, most recently offering a 3-hour seminar on energy markets and technologies at the 2013 VERGE Conference in San Francisco. Mr. Kelly-Detwiler also recently joined the Board of the World Alliance for Decentralized Energy. He currently serves as President of the North And South Rivers Watershed Association, an organization devoted to protecting the local watershed, and as an Executive Director on the Maxwell Conservation Trust, a local group dedicated to the protection of open space.



Leighton Wolffe, co-founder of NorthBridge Energy Partners has over 25 years experience in the controls and energy technologies industries. Leighton has deep domain knowledge and expertise on building technologies, information management systems and analytic applications. He continues to assess emerging energy market trends to provide guidance on the development and adoption of new and innovative energy products, services and end-to-end solutions.

He plays a key role helping clients achieve corporate goals and objectives through new business strategies and by aligning technology offerings with evolving market opportunities.  As an experienced energy executive, he understands market dynamics, knows the industry stakeholders and how to structure commercial relationships and resources to launch successful business initiatives.

Previously, Leighton was Vice President of Strategy at Constellation NewEnergy, where he formed the NewEnergy Alliance, an industry association that advanced awareness and commercial relationships between building owners, developers of energy technologies, and systems integrators to interact with US energy markets. He also guided development of the innovative first to market VirtuWatt platform - that enables building and process systems to participate in energy markets and demand management programs. 

Prior to this, Leighton served as Energy Manager, and Director of Facilities and Energy Management at major university and health care institutions where he developed interest in the technologies that monitor and control energy. He subsequently founded a systems integration firm with offices in San Francisco, Las Vegas and Boston that was sold to private investors. He continues to advise Federal and State agencies on designing and implementing energy services performance contracts, and as consultant to developers of energy management and building automation technologies.

Leighton attended New England College Arundel, England class of 1980, and Cambridge College 1980-1982. Leighton is an active presenter and lecturer at energy and building technology events throughout the US such as Edison Electric Institute, RealComm, ASHRAE, and serves on multiple advisory boards. He currently serves as President of the Conococheague Institute - a 30 acre historical settlement, cultural museum, research library and living history site dedicated to the stewardship of the cultural and natural history of the early frontier in Pennsylvania, Maryland and Virginia.