PNM Solar System

Flooded lead-acid batteries are being used in numerous new and advanced energy storage applications

Flooded lead-acid batteries remain as one of the most cost-effective and environmentally safe ways to store energy. Because of this, many are being used in advanced energy storage applications in large scale to power businesses and residents with solar farms across the United States.

In one example, the Public Services Company in New Mexico (PNM), serves more than 500,000 residents and utilizes solar farms with flooded lead-acid battery storage systems that can deliver 500kW of power. According to PNM, the system allows for stabilized power output during high demand. Batteries are rack-mounted in eight freight containers adjacent to solar panels.

The University of New Mexico and Sandia National Laboratories helped work on the project and has successfully demonstrated peak shaving, smoothing of photovoltaic ramp rates, and minimizing of voltage fluctuations to the satisfaction of PNM.

For more information on deep-cycle flooded lead-acid batteries for solar energy storage, visit www.usbattery.com.

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