Our Clients

Optimal Energy is proud to serve clients in nearly all segments of the efficiency industry. Our reputation for objectivity and consistency makes this possible, lending a level of credibility to our efforts that few of our competitors can match. We provide our expertise and services to:

Investor-owned, municipal, and federally-owned utilities

Orange & Rockland  |  Entergy  |  Tennessee Valley Authority  |  Duke Energy Indiana  |  conEdison  |  Enbridge  |  Connecticut Municipal Electric Energy Cooperative  |  New York Power Authority

Program implementers and third-party administrators

Efficiency Vermont  |  Efficiency Maine  |  New York State Energy Research and Development Authority  |  CLEAResult

Federal and state-level offices, such as offices of consumer advocate, energy offices, and public utility commissions and their staff

Massachusetts Department of Energy Resources  |  Michigan Public Service Commission  |  Maryland Energy Administration  |  Missouri Department of Natural Resources  |  British Columbia Utilities Commission  |  State of Illinois  |  Delaware Department of Natural Resources  |  Rhode Island Office of Energy Resources

Stakeholders and NGOs with an interest in energy and efficiency, including ratepayer advocates and environmental groups

Sierra Club  |  Natural Resources Defense Council  | Southern Alliance for Clean Energy  |  Conservation Law Foundation  |  PennFuture Energy Center  |  Northeast Energy Efficiency Partnership  |  Alliance to Save Energy  |  Southern Environmental Law Center  |  The Rockefeller Foundation

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