(65%), 267 municipalities 3.6 million (77%), 239 municipalities 3.3 million (69%), 188 municipalities 4.4 million, 357 municipalities Number of municipalities, residents and percentage of total residents in the province or the local area (as at 1 January 2016, source: Istat) in which Hera manages at least one 12 energy service (distribution of gas, electricity or district heating), water service (water systems, sewage or treatment) and waste management service (separated or nonseparated waste collection, or sweeping).