Air Mass in Solar Energy: Why It Matters at Sea
Stand on a ship’s deck at noon near the equator and the sun feels like it’s burning straight through you. Stand on that same deck at dawn in the North Sea, and the light feels thin, diffuse, almost apologetic. The difference isn’t just latitude or weather — it’s air mass, a concept that quietly determines how much usable energy a solar panel bolted to a vessel, offshore platform, or port facility can actually generate. For an industry increasingly betting on solar to cut fuel bills and emissions, understanding air mass is no longer optional.