About 67.4% of the 2,926 GWh (gigawatt-hours) of electricity generated in May in mainland Portugal came from renewable sources, according to data from the Portuguese Renewable Energy Association (APREN), released today. APREN explained that the 5.5% increase compared to May lasy year was due to “the 14.6% decrease in fossil incorporation, with 689 GWh having been produced, compared to 1,472 GWh in May 2022.”