According to data processed by Italia Solare based on Terna's Gaudì database, Italy has achieved a significant milestone by exceeding 2 million photovoltaic (PV) systems connected to the national grid, reaching a total installed capacity of 40 GW as of July 30, 2025. 7 GW of new photovoltaic (PV) capacity and bringing cumulative capacity to 37 GW. PV generation reached 36 TWh, covering about 11. 5 GW at the end of December, according to the latest figures released by Italian grid operator Terna. Like most countries, solar. Italy's cumulative solar installations have exceeded 40GW, with more than two million solar systems now in operation in the country across the utility-scale, commercial and industrial (C&I) and residential sectors.
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