Under the plan the group expects to boost investments to 22 billion euros, with 44% allocated to businesses with low volatility.

"The extraordinary operation of 1.2 billion euros for the expansion of the power grid also fits, allowing us to reach a RAB of 3.4 billion euros by 2035, consolidating our position as Italy's second-largest operator," CEO Renato Mazzoncini said in a statement.

($1 = 0.9145 euros)

(Reporting by Romolo Tosiani; Editing by)