M-PRESA SITE (IMAGE)
Caption
SwRI created m-Presa™ to accelerate the deployment of closed-loop pumped storage hydropower units where both the upper and lower reservoir sites can accommodate circular or rectangular reservoirs on relatively flat terrain, such as caprock mesas with level tops, steep side slopes and gently sloped valley floors. The m-Presa™ modular steel buttress dam system facilitates the rapid construction of paired reservoir systems for grid-scale energy storage and generation using closed-loop pumped storage hydropower, cutting dam construction costs by one-third and reducing construction schedules by half. Water flows back and forth between the reservoirs to cyclically store and generate energy to balance the grid and provide energy to meet peak demands.
Credit
Southwest Research Institute
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