Blockchain – a really high-tech “spreadsheet” or ledger used to record transactions securely – offers exciting potential for clean energy. With the rapid rise of distributed energy technologies — such as rooftop solar, batteries, smart energy devices, and electric vehicles — some analysts believe the market for blockchain applications in the energy sector is many times larger than it is for cryptocurrency in the financial sector.
Blockchain technology may hold great promise for a sustainable future, but we need to solve some important challenges first.