Spain added 5.9 GW of solar to June, with more curtailment and negative-price hours

El Periódico de la Energía puts Spain's solar additions in the first half of 2026 at 5.9 GW, a pace holding up despite rising renewable curtailment and more negative-price hours. The two figures go together, and they are why the choice of connection node weighs ever more on a project's returns: capacity keeps coming online while captured value in the middle of the day erodes.