Tesla Powerwall cuts annual energy bill by 92%

Peter Terlato 22 February 2017 NEWS

Tesla Powerwall

Quarterly power costs have plunged to just $44.68.

Australia's first Tesla Powerwall owners have reduced their costs by more than $2,100 in the past 12 months, saving 92.2% on their annual energy bill and now pay just 50 cents per day to power their home.

The Pfitzner family, Tesla's inaugural Aussie customers, paid just $178.71 in energy charges in the last year.

The family's Sydney home has four bedrooms, an internal laundry, a pool and outdoor entertaining area.

Their home battery system was connected by certified installer Natural Solar in January 2016. Up until this point, it was costing the Pfitzner's an average $572.29 per quarter to fully power their home.

Since employing the home energy storage solution, quarterly power costs have plunged to just $44.68.

In the October quarter 2015 the Pfitzner family's energy bill was a whopping $496.93. Last October, the bill was in credit +$50.25, representing a 110% reduction in new charges for the quarter alone.

Installing the Powerwall and solar panels starts at around $14,000, excluding GST.

While the home batteries currently carry a hefty price tag, when paired with a home solar system, Tesla Powerwall customers will see a return on investment approximately six years after installation.

"Power bills are continuing to surge at a rate of 10-12% annually, and coupled with the end of many gross-feed-in-tariff rebates around the country, there is no doubt there will be a continuation of sharp rises in electricity bills nationwide," Natural Solar managing director Chris Williams said.

Electricity bills across Australia are expected to rise in every state, aside from Queensland and Tasmania, over the next two years, according to the Australian Energy Market Commission's (AEMC) latest report.

From the beginning of January, the federal government began phasing out Australia's solar energy tariff rebates, raising the likelihood of bill shock for hundreds of thousands of homeowners.

The national solar rebate will reduce by about 7% each year until 2030 when it is officially retired.

Despite this, a recent survey found a substantial proportion of Australian households and small businesses have never switched energy providers or plans, particularly those in Tasmania and the ACT.

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