Solar accounted for 56% of all new electricity-generating capacity added to the US grid in the first half of 2025, with a total of 18 GW installed. . Cumulative installed solar capacity, measured in gigawatts (GW). Data source: IRENA (2025) – Learn more about this data processed This is the citation of the original data obtained from the source, prior to any processing or adaptation by Our World in Data. 5 gigawatts direct current (GW dc) of capacity in Q2 2025, a 24% decline from Q2 2024 and a 28% decrease since Q1 2025. EIA's latest monthly “Electric Power Monthly” report (with data through November 30, 2025), once again. . of PV were added globally, bringing the cumulative installed capacity to 2. The rest of the world was up 11% y/y. • The IEA reported Pakistan's rapid rise to fourth place in annual global PV. .
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