"We have invested more than 610 million euros, in order to maintain the 2022 objective: to make Italgas the first utility in the world with a fully digitised network," Chief Executive Paolo Gallo said in a statement.

Italgas, which runs around 74,000 kilometres of regulated gas pipelines, said core earnings grew 4.9% in the period to 749 million euros ($871.69 million) while group adjusted net profit rose 10.5% to 273.6 million euros.

($1 = 0.8593 euros)

(Reporting by Federica Urso, Stephen Jewkes)