In the week of June 1, solar photovoltaic generation fell across major European electricity markets versus the prior week. Germany saw the largest weekly decrease at 25%, with France close behind at 24%. Portugal recorded a 4.6% drop and Spain declined by 4.7%, while Italy’s solar output fell by 7.7%.
Despite the weekly decline, June 1 delivered record-setting solar output in parts of Southern Europe. The Iberian Peninsula reached all-time highs for a June day, with Spain generating 250 GWh and Portugal producing 32 GWh. For Portugal, the 32 GWh figure marked the second-highest solar production level in its history, just below the record set on May 29, 2026.
Solar forecasts for the week of June 8
For the week of June 8, solar forecasts point to mixed outcomes across Europe. According to AleaSoft Energy Forecasting, Italy and Spain are expected to increase solar generation. The German market is projected to experience a further decline in photovoltaic output.
Wind generation surges in the first week of June
Wind power generation rose across most European markets during the first week of June. France led with a 151% increase, followed by Portugal with 81% growth and Germany with a 75% rise. Spain recorded a 37% increase, while Italy saw wind generation climb by 16%.
The increases also extended into a second consecutive week for some markets. Portugal and Germany both posted their second straight week of higher wind generation compared with the previous period.
Daily wind milestones during early June
Several markets reached notable daily wind production milestones during the period. On June 2, Portugal logged its highest daily wind output in three years, producing 62 GWh. France set a June record on June 4, reaching 276 GWh in daily wind energy generation.
Diverging wind outlook for the second week of June
AleaSoft Energy Forecasting expects continued divergence in wind trends for the second week of June. The forecast calls for increases in Germany and Spain. It also projects declines in wind generation for France, Portugal, and Italy.