Remote island becomes self-sufficient using wind turbines and a giant lake-sized battery

Life can be inconvenient living on a tiny island out in the middle of the ocean. Sometimes you have to do without modern-day conveniences such as electricity. But not residents of the El Hierro island, located just off the coast of Spain. Islanders on El Hierro are completing an ingenious means of generating electricity using wind and a huge “battery” the size of a lake.

Remote island becomes self-sufficient using wind turbines and a giant lake-sized battery