The GRDA Engineering and Technology Center (ETC) is located in east Tulsa, near the center of GRDA’s 24-county service district. The facility is home to the GRDA Engineering Department, which is the department responsible for planning and design of the Authority’s overall electric transmission system, comprised of over 1,200 miles of high voltage transmission lines in Oklahoma.
Engineering & Technology Center
9933 E 16th Street
Tulsa, OK 74128