Many companies and industries could be missing out on a very, valuable resource despite their efforts to lower their environmental footprints, go green, cut costs and tap into the benefits afforded through renewable energy. Did you know, facilities with closed-loop water systems actually have a source of hydrokinetic power right there? It's true. Power plants, steel mills, waste water treatment facilities, cement plant, food processing plants and other factories with closed-loop water systems can cut costs by capturing energy from falling water.