802002 & 802001 pass Uffington on 26 April 2018 with the late running 5Z90 07:49 Stoke Gifford to Reading test run. These are the high powered variant of the IEP fleet, with 2820hp available per set, as opposed to 2250hp on a Class 800. Once in passenger operation (from July 2018) they will principally work on the West of England Line.