Clients

Optimal 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

Util-Orange-Rockland
Util-Entergy
TVAv2
Util-DukeEnergy
Util-ConEd
Enbridge
Util-CMEEC
Util-NYPA

Program implementers and third-party administrators

Prog-EV
Efficiency-Maine
Prog-NY
clearesult

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

DOER
MPSC_Logo
Maryland-Energy-Administration
missouri
Energy-BritColumbia
Energy-IL
dnrec-logo
RI-Energy

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

sierra-club
NGO-NRDC
Southern-Alliance-for-Clean-Energy1
Conservation-Law-Foundation
Penn-Energy
NEEP
alliance-to-save-energy
SELC1
The_Rockefeller_Foundation_Logo