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Redflow batteries at Swansea University in Britain
Redflow batteries at Swansea University in Britain

Swansea University, a research-led British university, has purchased Redflow’s unique ZBM2 zinc-bromine flow battery technology as the energy storage backbone for its Active Building demonstrator -– an award-winning classroom that generates, stores and releases solar energy at the point of use.

The microgrid is built around 120 kWh of Redflow batteries and is supplied with building-integrated, thin-film photovoltaic solar panels, as well as a solar wall that supplies the warm air to a heat-pump for space and water heating.  Since being built, the classroom has proven the Active Buildings concept by generating more energy than it has used over an annual cycle, and during high solar summer months, the system will return power to the local electricity grid.

Redflow’s small 10 kWh flow battery units provided the only commercially available flow battery energy storage system that allowed accurate sizing for the 120 kWh system. Additionally, the Redflow battery operates “out of the box” with the Victron inverters and controllers that provide the power conversion for the Swansea University minigrid.

Tom Griffiths, Technology Transfer Fellow (Smart Systems), said Swansea selected the Redflow technology because of its ability to deliver 100% of the rated system energy every day, without degradation in capacity over a long – 10 year – life. “These characteristics were crucial considerations for us, and our application requires battery discharge duration of 4-8 hours depending on the time of year, making Redflow’s flow battery the ideal fit for our requirements in comparison to more conventional lead-acid or lithium alternatives.”

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Solar panels at Kalyakool Farm supply 14 kWh of energy for storage by Redflow batteries
Solar panels at Kalyakool Farm supply 14 kWh of energy for storage by Redflow batteries

After losing power as the night horizon glowed orange with bushfires last summer, WA orchardists Jeff and Kerry Murray installed Redflow batteries to take their property off-grid and make it energy-independent year-round.

Power outages have plagued the Murrays’ farm - called Kalyakool, a Noongah word meaning “forever more” – since they bought the 34-hectare property near Gingin, 90km north of Perth, in 1994.

Mr Murray said the threat from the December bushfire was “the last straw”. “Our water comes from two bores, so without power, we can’t get any water,” he said. “The summer fire didn’t get to us, but it impinged on us through the loss of power for a whole day, which was followed by multiple outages as they brought it back on. If fire does reach us, we need energy to run the pumps to defend our property, which is why the bushfire was the last straw for us.”

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Comfortable and flexible offices are available for rent to established consultancies, startups or downsizing businesses wanting to work from a prominently located renovated villa in Norwood.

Located opposite the historic Robin Hood Hotel, the circa-1900 villa has undergone a $100,000 refurbishment, creating providing comfortable commercial premises with quiet offices, solar panels and high-visibility signage on Portrush Road. The entire building is well-insulated with Magnetite window panels that provide effective double-glazing against both noise and temperature, making its offices both quiet and comfortable year-round. 

As well as on-site parking, the location benefits from proximity to the Norwood Parade shopping precinct and is just across the road from the Robin Hood, with its courtyard bar, licensed restaurant and convenient catering. 

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Solar panels installed at Yallalong Station in remote WASolar panels installed at Yallalong Station in remote WAYallalong Station, a 348,000-hectare cattle property 650km north of Perth, has deployed a Redflow battery-based energy storage system to boost its energy independence and save thousands a year in diesel costs.

The cattle station, in the dry Murchison region northeast of Geraldton, can swelter for months in summer temperatures higher than 40 degrees Celsius - sometimes as high as 48 degrees Celsius.

Yallalong Station owner Lyndon Brown said a 24-hour power supply was essential to attract staff to work at this remote location. “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.

More News...

  1. Fire flights over Adelaide Hills and KI create 3D maps of fire grounds for recovery and future safety planning (04 February 2020)
  2. Rural Connectivity Group chooses Redflow for off-grid energy storage in New Zealand (11 November 2019)
  3. Birds of Australia's Top End 2020 calendar raises money to fight gamba grass fuelled bushfires (10 November 2019)
  4. DDACL boosts productivity, patient care and staff morale after moving IT systems to Acurus (06 November 2019)
  5. New Redflow partner predicts battery boom as WA solar tariffs end (26 September 2019)
  6. Renovated Norwood office building for lease on prominent Portrush Road location (30 August 2019)
  7. Redflow receives order for ZBM2 batteries to power rural microgrid in North West Tasmania (29 August 2019)
  8. Adelaide hosts myth-busting conference on Albinism this weekend (20 August 2019)
  9. Gamba grass fires up threat to tourist safety in the Top End (13 August 2019)
  10. GigCity network to expand to Whyalla and Mount Gambier (30 July 2019)