...of hydrogen production, storage, transportation and utilisation for heat, power and mobility. BIG HIT will absorb curtailed energy from two wind turbines and tidal turbines on the islands of Eday and Shapinsay, and use 1.5MW of PEM electrolysis to convert it into ~50 t pa of hydrogen. This will be used to heat two local schools, and transported by sea to Kirkwall in 5 hydrogen trailers, where it w ...