State Correctional Institution – Phoenix
[3] It cost $400 million to build, making it the most expensive state prison to be constructed in Pennsylvania history.[14] On June 1, 2018, its dedication ceremony was held, and the prison began operations on July 9, 2018.In 2024 the state began moving some death row prisoners to SCI Somerset.[8] It has inmates convicted of capital murder, many from the Philadelphia area and most of whom were sentenced to life imprisonment but with some under death sentences, housed in a dedicated section of the prison, called the "Capital Unit."The PADOC stated that the prison hoped to move inmates with death sentences from SCI Greene, where most death row and capital murder inmates in Pennsylvania resided, to SCI Phoenix so that the prison system can more easily transport them to court proceedings.