Portugal’s Solar Record Shows Why Yield Assessment Matters
Portugal’s grid operator confirmed it this month: solar was the country’s number one source of electricity in July, for the first time ever. https://www.ren.pt/en-gb/media/news/solar-power-was-the-main-source-of-electricity-generation-for-the-first-time-in-portugal But look past the headline and the same report tells a quieter, more useful story. REN’s own productivity index for July put solar at 0.89 and wind at 0.71 against the…










