A zinc-bromine flow battery storage system from Australian company Redflow coupled with solar – and eventually a wind turbine – is expected to slash thousands of dollars a year from diesel costs for an off-grid cattle station in Western Australia.
Redflow said on Wednesday that its Perth-based installation partner, TIEC Electrical, had installed four of its ZCell batteries and a 15kVA Victron Quattro inverter to store energy from 9.5kW/peak solar array at the Yallalong Station in W.A.’s Murchison region.
The $200,000 system, which can store as much as 40 kilowatt-hours (kWh) of energy, will enable the cattle station to operate completely off-grid, while saving as much as $10,000 a year in diesel costs – the old diesel generator will now be used for backup, only.
The owners of the 348,000-hectare property are also planning on adding a 3kW/peak wind turbine to the off-grid set-up, to harness the winds of the hot and dry region, north-east of Geraldton.
But perhaps one of the biggest considerations of the cattle station’s owners in powering the station was the sweltering climate, with summer temperatures known to top 40°C, and sometime get as high as 48°C.
As well as requiring a battery chemistry able to withstand such conditions, Yallalong Station owner Lyndon Brown said a 24-hour power supply was essential to attract staff to man the remote outpost.
“If you want people to live out there in those isolated places, you do need 24-hour power to run all your fridges, air-conditioning and comforts of life that they expect,” he said.
“The nearest power grid is 150km away, so that’s not an option. We used to run our diesel generator for two or three hours a day. which worked, but you can’t afford to run it 24 hours a day.
“So, at the end of 2019, we put in a Redflow-based energy storage system and that has made all the difference.”
To read the full story on RenewEconomy sister site One Step Off The Grid, click here…
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