Hospital Energy Storage: Reliable Power for Critical Care
However, as healthcare facilities modernize and energy costs rise, hospitals are increasingly adopting advanced battery energy storage systems (BESS) to secure their power
Of the 118 sites with solar power, four have battery storage today, and the health system is looking to expand that. Two new Kaiser hospitals under construction in San Jose and Sacramento will have on-site solar power production and battery storage, Hemstreet said.
“The battery allows us to store the [energy], even when the solar is producing more electricity than what the hospital needs,” Hemstreet said. What's unique about this battery is it is not lithium-ion, but rather zinc-bromide, he added. The latter uses materials more readily available than lithium-ion batteries and is not at risk of combustion.
Housed at Kaiser's Ontario Medical Center in Southern California, the system provides clean and reliable electrical power to the hospital. Because of its battery storage component, it will also serve as the initial emergency backup system during power outages.
There is a growing recognition in the healthcare industry that stakeholders should responsibly use energy in service of their communities, given that pollution is linked to increased risk of chronic illness and death. The healthcare sector is a significant contributor to greenhouse gas emissions, accounting for nearly 9% of the total in the U.S.
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