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120 Water St.
North Andover, MA 01845

Energy Consultants Specializing in Efficiency Studies and Program Management & Evaluation

Welcome to ERS. We offer innovative and thoughtful ideas and advice for helping your organization improve energy efficiency, maximize economic performance, and minimize environmental impacts. We focus on clean technology and behind-the-meter resources from energy efficiency and demand response to energy storage and distributed generation

ERS serves clients regionally, nationally, and internationally from our offices in Massachusetts, Maine, Connecticut, Vermont, New York, California, Oregon, and Texas. Our areas of specialization include assessment and implementation of energy efficiency projects; utility program planning, management, and evaluation; renewable/sustainable development assessment; continuous metering and monitoring; development of analytical tools and database software systems for project energy analysis; technology assessment; premium efficiency lighting design; and energy code compliance. We focus on client needs, developing solutions that reduce costs while simplifying day-to-day operating requirements.

Our staff have been involved in some of the largest and most ambitious programs, engineering projects, and research studies addressing energy and resource conservation in the United States. Our clients include electric and natural gas utilities, federal and state government offices, and Fortune 500 companies, and we have been responsible for comprehensive resource engineering projects in hundreds of large industrial and commercial facilities. Please feel free to download our services overview packet.


Engineering & Technical Assistance

ERS has a broad range of expertise to help facility and plant managers implement more effective and efficient energy systems, improve operational effectiveness, and optimize their participation in incentive programs. We have completed numerous energy efficiency projects that have addressed all end use systems and technologies including lighting, HVAC, controls, process equipment, and distributed and renewable power generation.

Program Planning & Implementation

ERS plays a leading role in many projects associated with the design and delivery of some of the largest demand-side management programs in the US. We have considerable expertise in program planning, development, administration, implementation, quality control, and monitoring, and we can handle turnkey management of implementation and load management programs and oversee program aspects from preliminary planning to database development. ERS has delivered solutions across a range of program types, from traditional resource acquisition programs to multi-technology demand management programs.

Energy Program Evaluation

ERS is a quantitatively motivated firm that provides defensible program impact studies through measurement-driven evaluations that determine not only energy and demand impacts but also non-energy effects such as avoided/reduced operations and maintenance costs. We also provide practical recommendations on how to improve future program cost-effectiveness, delivering practical evaluation findings that can be used to improve future performance and quantify program benefits and costs beyond those measured at the meter.

Sustainable Development

ERS is a recognized leader in high performance and green building development, and our projects cover a broad range of clean technologies. Our expertise in sustainable design and green building practices includes.

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ERS | 120 Water St. North Andover, MA 01845 USA | 978x-521x-2550
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