Longevity Medical Centre saves $10,000 a year as Redflow batteries beat outages

Since installing Redflow batteries in early 2017, Melbourne’s Longevity Medical Centre has avoided approximately $10,000 a year in business disruption costs by having a guaranteed power supply.

Based in Doncaster East, Longevity Medical Centre has a 20 kilowatt-hour (kWh) Redflow energy storage system, with two 10 kWh ZCell batteries and two Victron MultiPlus inverters, harvesting energy from a 5.3 kilowatt-peak (kWp) solar array on the roof of its multi-storey premises. Since it was installed in the first half of 2017, the Redflow battery system has stored with more than nine megawatt-hours of energy.

Founding owner James Bishop said he estimated the Redflow batteries were saving the medical centre about $10,000 a year by avoiding power outages. “It doesn’t matter if the outage is for one minute or one hour, the disruption of getting everything working again would cost us about $2000 per occurrence,” he said.

“With four to five power outages a year, that’s $10,000 a year we’ve saved, plus the reduced energy cost of time-shifting stored solar energy. The bottom line is that business is hard enough without having power fluctuations. Every business buys insurance to offset the risk of disruption. Batteries give us insurance for our electricity supply which insurance policies fail to cover or cover poorly.”

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