Hosensack 500kV Substation: This project involves the replacement of three (3) CCVTs as well as the installation of surge arresters. The CCVTs and conductors to bus were replaced. The surge arresters were installed for all phases of the Alburtis, Elroy, Lauschtown, and Steel City lines. In addition to the above work, the switch box and switch box grounding were replaced at the B phase CCVT structure. Grounding connections for the new surge arresters and surge arrester structures were tied into the existing ground grid.
Harwood 230-69KV Substation: The scope includes upgrades to address reliability and aging infrastructure. The upgraded substation will add three (3) 230kV circuit breakers and associated disconnect switches, replace existing 230kV disconnect switches, replace the control cubicle including relaying and control for the 230kV and 69kV yards, extend the 230kV line termination structure, and re-terminate existing lines to new locations.
South Reading 69kV DFR Replacement: Replace 69kV DFR unit with new Ametek TR 2532 unit.