The August 12 eclipse puts photovoltaic energy to the test and highlights the value of batteries and forecastsAleaSoft Energy Forecasting, August 11, 2026. The total solar eclipse of August 12 will cause a rapid and synchronised fall in photovoltaic production in Spain and other European countries. Batteries to manage the ramp and forecasts to anticipate itBatteries and solar energy forecasts play complementary roles in this type of situation. In the case of the eclipse of August 12, weather conditions may significantly modify its actual effect on photovoltaic production. Renewable energy forecasts complement these analyses in day to day operation.