Been designing, supplying and (occasionally) installing, Renewable Energy Systems since the mid 80's.
Recently created the biggest minigrid in Australia, (and maybe the world) in South Ausralia, (the state) and then designed a system to power the whole of Australia by renewables, subsequently taken up by the Labor party, that currently governs Australia and my plan made law in Parliament, (although with a cuppla reductions), 2022.