Ernest Jolly
Energy Chief, DC Water

​​Drexel University: BBA – Marketing Management

Tim Witting, CEM

Tim Witting is a Business Development Manager at NAC Group, a local union mechanical contracting firm specializing in HVAC construction, service and controls.  He has more than 9 years of experience in energy solutions with a specialization in cogeneration, HVAC, building automation, and lighting.  Mr. Witting has been accredited as a Certified Energy Manager (CEM) and Business Energy Professional (BEP) by the Association of Energy Engineers.  In addition to energy efficiency, his experience includes 8 years in real estate and financial services in the DC Metro region.

Mr. Witting serves as the Vice President of the National Capital Chapter of the Association of Energy Engineers.  He has authored and presented multiple white papers and presentations for several national conferences and associations, including the American Council for an Energy-Efficient Economy.  Mr. Witting is also an active member of the United States Green Building Council.

For the past 14 years, Mr. Lord has worked as an Energy Education Specialist for Loudoun County Public Schools in Virginia.  Mr. Lord is a Certified Energy Manager (CEM).  In addition to the CEM, Mr. Lord holds several other certifications from the Association of Energy Engineers including Certified Sustainable Development Professional, Certified Demand Side Management Professional, Certified Energy Auditor and Certified Measurement and Verification Professional.  Mr. Lord is also licensed teacher in VA with 10 years of classroom experience. 

Mr. Lord Currently is the President of the National Capital Chapter of the Association of Energy Engineers.  In addition, he serves on the Metropolitan Washington Council of Government’s Climate, Energy & Environmental Policy Committee.  Mr. Lord also serves as co-chair of the Loudoun County Public Schools Advanced Energy Task Force. 

The Energy and Environment Team program that Mr. Lord co-administers has saved the taxpayers of Loudoun County over $81 million and reduced CO2 emissions by over 400,000 metric tons since its inception in 1993.  In addition, the program has been awarded many honors and recognitions, including:

​The Association of Energy Engineers International Award for Institutional Energy Management.

Two Virginia Governor’s Environmental Excellence Awards. 

The Metropolitan Washington Council of Government’s Climate and Energy Leadership Award.  The Virginia School Boards Association’s Green Schools Challenge

8-time winner – EPA ENERGY STAR Partner of the Year – Sustained Excellence 2010-2017.

For more information about the LCPS Energy & Environment Team:


Mr. Jolly works in the Office of the General Manager as Energy Chief. In this role, he is responsible for formulating and implementing energy management strategies for process and equipment improvements. Mr. Jolly serves as a technical energy adviser to the Authority to determine the most effective energy strategies for programs and facilities. This includes supporting the Department of Engineering and Technical Services in evaluating energy efficiency and the economics of designing new and upgraded capital projects. 

In addition, Mr. Jolly will develop and manage energy audits for all significant energy users within the Authority and develop and update policies related to energy savings and losses. He serves as liaison on energy and climate issues, and represents the Authority on various regional committees. He also investigates and pursues federal, state and local utility grants or rebates for energy conservation.

Mr. Jolly joined DC Water in August 2008 as the energy manager in the Department of Engineering and Technical Services and was responsible for the energy supply portfolio and energy usage. He was then the Strategic Planning Chief until January 2015. He has more than 25 years of operational leadership experience in the public utility, nonprofit and military sectors. He is a certified energy manager and a certified energy auditor.

Colorado State University: BA Spanish - Latin American Studies