The 1 MWh flow battery is installed in Waad Al Shamal, northwest Saudi Arabia. It's based on Aramco's patented technology and was developed in collaboration with China-based Rongke Power (RKP), a global leader in flow batteries. The battery supports up to five gas wells over a. . Aramco, one of the world's leading integrated energy and chemicals companies, has achieved a world-first by successfully commissioning a megawatt (MW)-scale renewable energy storage system to power gas production activities. As the country seeks to reduce its dependence on fossil fuels, there is. . It's the first time an iron-vanadium redox flow battery has been used as a solar energy backup for gas well operations.