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Applications: Renewables Integration

 

Energy storage can help system balance and improve the capacity factor of wind by inventorying electricity at night and acting as a shock absorber to smooth out wind ramping fluctuations.

Utility distribution engineers anticipate increasing challenges managing high penetrations of solar photovoltaics on the local distribution system. The effects of photovoltaic voltage sags and demand shifts due to cloud effects are even more severe than wind ramps because they are much faster. Energy storage systems can provide local voltage and VAR support, and manage intermittent variation in photovoltaic loads.

HALO-GEN™ energy storage systems provide the ability to store intermittently generated power, and can expand the use of such resources by smoothing the variations in hour-by-hour, minute-by-minute and second-by-second availability. This can be particularly important for those renewable generation technologies such as wind that peak at night when demand is low. Energy storage can increase the usefulness of wind power in meeting demand for electricity by absorbing excess wind generated overnight and supplying that power to the grid during peak daytime hours. It can also help grid operators deal with the second-by-second variability of wind and solar by providing additional regulation service.