Our Clients Lead
the Nation in Energy Efficiency

  • Massachusetts (#1)
    8 years in a row
  • California (#2)
  • Rhode Island (#3)
  • Vermont (#4)
  • Connecticut (#5)
  • New York (#6)
  • Minnesota (#8)

Learn More About Where We Work

Prime Contractor for Delivering Cost-Effective EE Programs

Hiker and views from Camel’s Hump Mountain in Huntington, VT

Staff Spotlight: Mark Kravatz

As a senior consultant at Optimal, Mark provides research, analytical, and project management support for clients.

Read More

Mark Kravetz, Senior Consultant

Nationally Recognized Energy Efficiency Consultants

Since 1996, Optimal Energy has provided a full range of energy efficiency consulting services to investor and municipally owned utilities, program administrators, state and federal energy offices, regulatory commissions, advisory councils, and advocacy groups. Read more…