MILAN (Reuters) – The price paid by an average Italian household for its gas supply rose by 64.8% in 2022 versus the previous year, national energy authority ARERA said on Tuesday, underlining the impact of the war in Ukraine on family finances. ARERA, which sets regulated gas prices for Italian consumers, also said the price for December rose 23.3% from the previous month, reflecting high prices in early December before a dip later in the month. An average family would have spent around 1,866 euros ($1,968.63) on gas last year, it estimated. Marco Vignola, who speaks on energy issues for the …