Transmission projects significantly affecting system performance that have been completed since the 2010 Assessment was issued in September 2010 are listed in Table PR-1.

Most notable include:

• Construct 69-kV line from new Warrens Substation to the Council Creek-Tunnel City 69-kV line,
• Replace two overhead Blount-Ruskin 69-kV lines with one underground 69-kV line, and
• Expand 345-kV switchyard at Oak Creek to interconnect one new generator.