About Community Energy Solar

Community Energy Solar builds long-term relationships by delivering energy options that work — for customers, investors and utilities. Our projects build on community trust and utility expertise to bring reliable, high-quality solar energy projects to market.

Community Energy has a ten-year plus track record of renewable energy development, resulting in $1.5 billion of new energy investment.

Leadership Team


ericblank_wall Eric Blank, President and Founder

Eric Blank is President of Community Energy Solar and co-founder of CEI. Eric shares responsibility for overall strategic direction and executive management. He oversees project development, including project finance, project timelines and criteria, construction management, equity structures (passive tax equity), and construction. Under an executive employment agreement, Blank served as an executive vice president leading US wind development for Iberdrola, overseeing the development to construction of 700 MW of wind energy, including, but not limited to, the build out of the CEI pipeline. Blank led CEI’s wind development efforts from inception.

Before CEI, Blank served as the Director of the Energy Project of the Land and Water Fund, where he helped pioneer the field of wind energy marketing, launching one of the first, and most successful, wind energy marketing programs in the country in partnership with several Colorado utilities. Prior to that experience, Blank spent six years providing economic consulting and legal support primarily to independent power producers and energy project developers. With over twenty-five years experience in the electric utility industry, Blank holds a Master’s degree in economics from the London School of Economics and a J.D. from Yale Law School. Blank has been widely published on electric utility issues in a variety of trade and law journals and presented at numerous regional and national forums.


brentalderfer_wall R. Brent Alderfer, Chief Executive Officer and Founder

Brent Alderfer is CEO and co-founder of the Company, and is responsible for overall strategic direction, executive management and operations. Alderfer also directs corporate capital, finance and legal, and heads up the Marketing Division.

Alderfer served as a former Colorado Public Utility Commissioner and is well known in the renewable energy industry for his leadership in markets for new and renewable energy technologies, and brings that regulatory and policy expertise to the executive management team. Prior to co-founding the Company Alderfer was a principal in the consulting firm of Competitive Utility Strategies, advising on renewable and distributed renewable generation projects in both regulated and competitive markets. In that role, Alderfer consulted to the U.S. Department of Energy in 1999 on utility interconnection policy for renewable and distributed generation. As a Commissioner from 1996 to early 1999, Alderfer chaired the Energy Resources Committee of the National Association of Regulatory Utility Commissioners, where he led several initiatives on opening competitive electric markets, specifically directed to marketing clean and renewable electric supply. An electrical engineer and a lawyer, Alderfer headed a general commercial law practice for fifteen years representing development stage companies through start up and public offering. Alderfer holds an electrical engineering degree from Northeastern University and a law degree from Georgetown University.


brentbeerley_wall Brent Beerley, Executive Vice President, Business Development and Public Policy

Brent Beerley is Executive Vice President and part of the Executive Management team that sets strategic direction and directs implementation. Beerley directly manages origination and public policy efforts. Beerley has eleven years of experience in the renewable energy industry in project off-take contracts and development. Beerley was part of the original management team that built CEI prior to the sale to Iberdrola Renewables in 2006. At Iberdrola, he led off-take and origination efforts as a Managing Director until 2009. Beerley has led the negotiation and execution of over 600 MW of long-term renewable energy supply agreements with utilities, wholesale power marketers, and banks.

Prior to CEI, Beerley worked for the Federal Energy Department’s Distributed Energy and Wind Energy programs. Beerley received a B.S. in Integrated Science and Technology from James Madison University.


TTwallTom Tuffey, Vice President, Project Services

Tom Tuffey is Vice President, Project Services. Dr. Tuffey leads energy development services including regulatory policy, company strategy, and capital formation.

He has 40 years of experience in energy and environment, and served as Executive Vice President of a 3000 person global environmental engineering company. Dr. Tuffey has his PhD in Environmental Sciences, is a graduate of the Wharton School of Business Advanced Management Program, and served on the faculty of Rutgers University in the Water Resources Research Institute and the Bureau of Engineering Research. He has also worked in venture capital, publishing, and management consulting. More recently, he served as Executive Director of the Sustainable Energy Fund and as Director of the Center for Energy, Enterprise and the Environment. He has served on a dozen company Boards and received honors throughout his career including the award by the US Department of Energy as the Wind Advocate of the Year 2009-East Coast. He is a founding member of the Middle Atlantic Renewable Energy Coalition and served on the Executive Committee of the Clean Energy States Alliance.