Manage energy projects while reducing energy costs

Let’s work together!

To explore how Celtic Energy can help drive your energy costs down, help reduce your carbon footprint, and manage your energy projects, please contact:

Walt Donzila, C.E.M., C.P.C.
Director of Business Development

Send A Message:

To request information about Celtic Energy, please fill out the following form and we will get back to shortly.

Your Name (required)

Your Email (required)


Your Message


To most effectively serve our clients, Celtic Energy maintains offices in three locations:

Celtic Energy– Corporate Headquarters

– Glastonbury, CT

437 Naubuc Ave.
Suite 106
Glastonbury, CT 06033

Celtic Energy – Current Regional Locations

Metro New York City

Reno, NV
– 507 Silversmith Pl, Reno NV 89511

– 1027 Omar Drive, Crownsville MD 21032

Celtic occasionally establishes regional offices on an as-needed basis, depending on project workload in the geographic area, e.g., Las Vegas, NV. We have served clients in 25 states plus the District of Columbia from our locations, and are open to establishing regional offices where expansion of work requires them.