Morgan Stanley is planning to launch the deal, which could value the asset at more than 1.2 billion euros (1.1 billion pounds), after the summer break, the people said, adding infrastructure and pension funds as well as insurers were all expected to show interest.

(Reporting by Arno Schuetze and Christoph Steitz; additional reporting by Jacob Gronholt-Pedersen; editing by Thomas Seythal)