Category Water

Renewable energy 24/7 from turbines in water pipes

Rentricity has the novel idea to put turbines in water pipes where the water flows downhill, providing a 24/7 source of renewable energy. Drinking, irrigation, and industrial water users are their target market. This is micro-hydro, small amounts of electricity…

OTEC renewable energy development continues

Ocean Thermal Energy Conversion doesn’t get much notice. However, especially for islands, it is a reliable way to generate renewable energy 24 OTEC creates electricity by using the difference in temperature between cold water at lower depths and warm water…

Complexity and vulnerability in water supplies

California aqueduct

All water in Dubai is desalinated and they apparently don’t reclaim and reuse. By contrast, buildings in Chinese coastal cities have two sets of plumbing, with salt water being used for toilets. This makes sense, why use drinkable water for…