Stadler FLIRT bi-modes would obviously have been the best solution. I’m not entirely sure how Greater Anglia actually managed to order such a high quality product in this day and age.Fair point and I must confess I was not sure of the complete story for the 769's for both Northern and TFW. Okay, you may not be able to have DC power with it, but I am surprised that GWR did not follow Greater Anglia/TFW down the Stadler Flirt route. But I guess it was down to the DFT deciding what they should be equipped with to run their trains.
This will obviously affect performance on Diesel mode. If air con has to be powered when only a limited amount of electricity is able to be produced, less will be available for traction. I wonder what affect that will have though.I believe they are getting fitted with air cooling/ air con in the cabs now. I think the problem now is getting them to work, not sure how many if any drivers have been trained.