Small-scale wind turbines can be mounted on or near the containers, providing a complementary energy source to solar power. . Where do grid-boxes contain solar and wind resources? In densely populated regions such as western Europe,India,eastern China,and western United States,most grid-boxes contain solar and wind resources apt for interconnection (Supplementary Fig. Nevertheless,these regions exhibit modest power. . A 1 megawatt vanadium flow battery (a different technology from lithium-ion, but also used for energy storage) is in Pullman, Washington, built by UniEnergy Technologies and owned by Avista Utilities. Source: UniEnergy Technologies / Wikimedia Commons Batteries help store surplus energy. By integrating all necessary equipment within a transportable structure, these units provide modular, plug-and-play renewable energy systems. .
