PPL Corp.: operators shut down Unit 2 at PPL's Susquehanna nuclear plant Operators at PPL's Susquehanna nuclear power plant safely shut down the Unit 2 reactor Nov. 9 because a computer system that controls the reactor's water level was not functioning properly. Operators manually shut down the reactor when they identified the malfunction and plant systems responded as designed. Susquehanna employees are investigating the reason for the loss of the computer system. While the unit is shut down, employees will address the control system malfunction and begin a previously announced turbine blade inspection as part of ongoing efforts to address turbine blade cracking as the plant finalizes long-term solutions. Unit 1 is operating safely and is unaffected by the loss of the system on Unit 2. The Susquehanna plant, located in Luzerne County about seven miles north of Berwick, is owned jointly by PPL Susquehanna LLC and Allegheny Electric Cooperative Inc. and is operated by PPL Susquehanna LLC.