PARIS, Jan 23 (Reuters) - French utility EDF said on Tuesday it was pushing back the start date on its Hinkley Point C reactor in Great Britain to 2029, with a new estimated cost of between 31 billion and 34 billion pounds ($43.06 billion) in 2015 values.

The plant was last expected to start operation in June 2027 with an estimated cost of operation at 25 billion to 26 billion pounds. ($1 = 0.7895 pounds) (Reporting by Forrest Crellin Editing by Chris Reese)