Panel Discussion: “Will Batteries Live Up to their Promise for Energy Storage?”



Darren Hammell

Princeton Power Systems
Co-founder and Chief Strategy Officer


Darren took home top honors in the Princeton University business plan contest and co-founded Princeton Power Systems in 2001. He served as President and CEO until March 2009, when he took on the responsibility of Executive Vice President of Business Development and later Chief Strategy Officer.

Darren was named one of Red Herring Magazine’s “Young Moguls” in 2005 and New Jersey-BIZ’s “Forty Under 40” business leaders in the state the same year. He is a member of the Board of Directors of the non-profit New Jersey Technology Council and the Einstein’s Alley Technology Collaborative.

Darren graduated with honors from Princeton University with a B.S.E. in Computer Science


Craig Picture

Craig Wilkins

ViZn Energy Systems
Chairman of the Board/Founder


Craig has 25 years of proven sales and executive management experience with a variety of start-ups in the financial and technology sectors. Mr. Wilkins is currently the Chairman of the Board of ViZn Energy, a privately held storage technology company. Previously, Craig was the founder and President/CEO of Acceptance Capital Mortgage Corporation (ACMC), a nationwide mortgage broker with 100 offices in 30 states.  In 1996, Craig was a founder and principal owner in NetWireless, the largest distributor for Nextel Communications, which grew to $40M in revenue in less than 3 years before being sold. When NetWireless sold to Bearcom, Craig managed the combined corporate account teams for the company. Prior to his work at NetWireless, Craig was the Director of Sales for CSI Financial, the second largest purchaser of hospital receivables in the United States. Craig has a BA in Finance from University of Montana and completed his graduate studies in Economics.


Suzi McClellan headshot

Suzi McClellan

State Affairs Director
Good Company Associates


Suzi McClellan brings over a decade of Texas regulatory and legislative experience to Good Company Associates.

Ms. McClellan was first appointed by then-Governor Bush and reappointed by Governor Perry to be Public Counsel of the Office of Public Utility Counsel where she served for over 12 years.  Ms. McClellan directed the agency during the transition to competition of both the electric and telecommunications industries.  As Public Counsel, Ms. McClellan represented residential and small commercial customers in a wide variety of rulemakings and contested cases, including those required to implement retail competition.  As Public Counsel, Ms. McClellan was responsible for all policy positions of the agency as well as the litigation strategy on multi-million dollar cases.

Ms. McClellan has worked extensively with the legislature on a variety of electric and telecommunications issues, including the electric restructuring legislation, where Ms. McClellan worked successfully to pass key provisions for the benefit of residential and small business customers.  Ms. McClellan served on the Board of Directors of the Electric Reliability Council of Texas from 1999-2007.  During this time, ERCOT transitioned into the Independent System Operator that is responsible for operating the electric grid as well as managing the competitive wholesale and retail markets.

Ms. McClellan, an attorney, received her Doctor of Jurisprudence from the University of Texas School of Law and her Bachelor of Science in Communication from the University of Texas.



Joseph Heinzmann

GE Power & Water
Senior Product Manager


Joe Heinzmann is the Senior Product Manager for General Electric’s Energy Storage Business.  In this role, Joe is responsible for developing cost effective commercial and technical solutions for GE’s customers around the world in a manner that maximizes the sustainability, economics, and efficiency of the power grid.

Joe has led directly to the placement of Battery systems around the world to support customer value and grid stability in energy management and renewable integration applications.  Joe holds a Mechanical Engineering Degree from the California Maritime Academy.



Peter Kelly-Detwiler

Forbes Contributor


Peter Kelly-Detwiler has 25 years of experience in the electric energy industry, with 15 years as an executive in competitive retail markets.

Prior to founding NorthBridge, as Sr. Vice President of Constellation Energy’s Demand Response group, he oversaw this unit’s growth to become an $80 mn business, capable of dispatching 1700 MW of customer load. Under his leadership, the team developed Virtuwatt, an industry-leading platform that served to integrate consumer’s load into electric power markets and automate the demand response function.

Before that, Peter established and ran the Operations department for the New England office of Constellation New Energy, the nation’s largest retail power provider, ultimately processing nearly $1 bn in annual revenue.

Mr. Kelly-Detwiler lectures frequently on energy markets and innovation, runs workshops, and moderates panels at numerous conferences. He is also a frequent contributor on energy-related issues to, Natural Gas & Electricity, and other publications.



TIME:  11:00 AM – NOON


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