BBC News Published image copyrightChris James Plans have been submitted for a major "green hydrogen" scheme near Glasgow. The application by ScottishPower includes a 20MW electrolyser, a device which splits water into hydrogen and oxygen using electrical energy - in this case, via wind and solar power. The planned facility will be located near the UK's largest onshore wind farm, Whitelee, owned by ScottishPower. The project includes a combined solar and battery energy storage scheme to help power the electrolyser. ScottishPower said the facility would be able to produce up to eight tonnes of hydrogen per day. It aims to supply hydrogen to the commercial market before 2023.