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ERS is a DNV company

We are


Providing clients with smart energy solutions. We offer innovative ideas to help your organization improve energy efficiency, maximize economic performance, and minimize environmental impacts.

Need to comply with local ordinances? We conduct ASHRAE Level II energy assessments and carbon reduction planning for facilities across the US.


ERS is a leading engineering firm with the objective of assisting utilities, government, and large commercial and industrial end users to solve complex energy and resource problems in a cost-effective manner.

Energy Program Evaluation

Energy Program Evaluation

ERS is a quantitatively motivated firm that provides defensible program impact studies through measurement-driven evaluations.

Engineering & Technical Assistance

Engineering & Technical Assistance

ERS has a broad range of expertise to help implement more effective and efficient energy systems and optimize participation in incentive programs.

Outreach & Implementation

Outreach & Implementation

ERS has considerable expertise in program planning, development, administration, implementation, quality control, and monitoring.

Renewable Energy, Electrification, & Distributed Generation

Renewable Energy, Electrification, & Distributed Generation

ERS is a recognized leader and has specialized expertise in renewable energy, electrification, and distributed generation technologies and programs.

A Selection of


A Sample of

Our Portfolio

Cannabis Energy Studies

Engineering & Technical Assistance

Silicon Valley Power

C-PACE Program Administrator



CHP Customer Outreach

Planning & Implementation

Behind-the-Meter Battery Storage

Market & Technical Assessment



“The ERS team is personable and professional, and it is a comfort knowing that I can trust they are communicating effectively and appropriately with customers. They jumped into existing outreach work with little friction and have successfully accelerated us toward and enabled us to meet our 2019 goals.”

Medicinal Alternatives

“In our experience, it was rare to find a company that had such a wide area of expertise capable of analyzing such diverse solutions. We were very happy with Nick’s level of knowledge and professionalism. We would certainly use ERS again, as they proved to be a valuable business partner before, during, and after the work was performed.”

Craft Brew Alliance

“A big thank you to ERS for the energy study! We have found immense value in the findings from the report, and will continue to use its guidance for energy improvements in 2017 and beyond. The specific data is helpful in where we should focus our efforts, by identifying our bigger loads.”