Tesla Powerwall Backup Power

Tesla Powerwall Backup Power

The Lights Stay On During Statewide Blackout For One South Australian Family Thanks To The Tesla Powerwall

tesla-powerwall-solaredge-rws-storedge-backup-power-clean-installOne man in South Australia is thanking his lucky stars for backup battery power in the last 24 hours of devastating power outages. Brian Gillespie from Eden Valley in South Australia had his mini Tesla battery power station keeping his home power functioning when the rest of the state was plunged into darkness.

“Due to these severe storms and resulting blackouts, Natural Solar has received a huge number of enquiries from customers South-Australia wide, each of them seeking more independence from the grid. In the past 24 hours there has been a 228% increase in enquiries from customers South Australia wanting to know more about battery power, with their locations directly correlating to more severely storm affected areas. This trend has swept across the country with a 148% increase on enquiries Australia wide,” says Chris Williams, Managing Director of Natural Solar.

“Brian was one of the residents in South Australia to have a Tesla Powerwall battery coupled with the SolarEdge Inverter installed by Natural Solar earlier this year. We have seen his Tesla Powerwall home battery and his backup power supply retain power from the moment his power went out at 3:48pm yesterday to 1:15am this morning when his battery utilised all of the power it had stored. The Tesla Powerwall battery then recharged at 5:00am this morning when power was restored at his home. This 11+ hours of backup power was enough for Brian to be able to use his lights and appliances normally whilst the state was suffering. Brian was one of the residents in South Australia to have a Tesla Powerwall battery installed by Natural Solar earlier this year.”

“As other states and territories prepare for the massive storm to sweep through their regions over the coming days, we expect to see the influx of residential and commercial interest in battery power continue, with people exploring home battery power storage solutions and backup power. The brilliant thing about the Tesla Powerwall is the ability for consumers to consider their weather forecasts and any warnings, and purposefully charge their batteries prior to any power outages occurring. For the first time ever, Australians really have the ability to take power into their own hands and have control,” concluded Mr Williams.

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Can the Tesla Powerwall provide backup power during blackouts?

It sure can! Though the Tesla Powerwall is the battery which stores the power, to get backup power during blackouts you require an intelligent inverter which is able to identify when the power goes out and then boots the inverter and Tesla Powerwall back online after about 5 seconds. Even better, if this occurs during the day and your solar panels are still producing power, your battery power is only used to cover the remaining electrical load after the power generated by the solar panels has contributed what they’re producing to minimise the drain on your battery.


These costs are based on the SA Power network in Adelaide but prices may vary depending on your circumstances. This comparison assumes a general energy usage of 4000kWh/year for a residential customer on Energy Locals Time of Use Tariff – (TOU – Peak, Off-Peak & Solar Sponge).

The reference price is set by the Australian Energy Regulator (AER) for a financial year in relation to electricity supply to residential customers in the distribution region and is based on an assumed annual usage amount. Any difference between the reference price and the unconditional price of a plan is expressed as a percentage more or less than the reference price. The terms of any conditional discounts are shown, along with any further difference between the reference price and the discount applied if a condition is met, expressed as a percentage more or less than the reference price.