A near-total solar eclipse over the Netherlands on Wednesday evening is expected to cut solar power generation by about 1.3 GW, grid operator TenneT said on Tuesday, requiring close monitoring to keep electricity supply and demand balanced.

European transmission system operators are preparing for the August 12 solar eclipse, which is expected to temporarily reduce photovoltaic generation but pose no threat to…

Portugal's grid operator REN estimates that solar power generation on Wednesday will fall by about 45% during the eclipse compared with usual levels for that time of day.