Water Usage / Air Quality

Water Usage / Air Quality

Minimal water usage

Operating at high temperature and efficiency levels, BrightSource technology can use air rather than water to condense steam, conserving one of the most precious resources in the desert. Once the water is condensed, it is re-circulated to the boiler to be heated into steam, continuing the closed-loop cycle. The dry-cooling method consumes 90% less water than a solar thermal plant using wet cooling. It is not a low-cost option, but we believe that the additional costs incurred by this method are more than merited by its environmental benefits.

We take care to maximize every drop of water we use. Water consumed in plant operations is re-used to clean our entire fleet of heliostats, further optimizing resource conservation.

Want to know more about our commitment to reducing water use? Find answers to the most frequently asked questions about dry-cooling here.  

Air quality           

BrightSource observes best practices designed to minimize and - wherever possible - avoid CO2 and criteria air pollutants. Over the lifecycle of a BrightSource Energy plant, millions of tons of CO2 are avoided. The technology also helps to improve the air quality in the areas where projects are built by displacing hundreds of tons of other criteria air pollutants each year, including carbon monoxide, nitrogen oxides and volatile organic compounds.