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1st Year Income From @Tesla Battery In South Australia Equals ⅓ Of Its Cost

The Tesla Powerpack installation in South Australia is poised to generate enough income in its first year of operation to pay for one third of its cost. That that, anti-renewable ideologues.

Lots of opponents of battery storage for electricity that has been generated by wind, solar, and other renewables like to focus on how much those systems cost. Take the Hornsdale battery installed by Tesla last year in South Australia. It cost $66 million, and to hear some folks in Australia tell it, that money will place a huge burden on local utility customers forever. They conveniently forget to mention that the battery is a source of income to Neoen, the French company that owns it and the adjacent wind farm.

Tesla Powerpack battery Hornsdale Australia

Neoen is about to go public. Buried in the 400 page submission to authorities in advance of its IPO is information about just how much income that battery has generated so far and what it is expected to generate in the future.

According to The Guardian, Neoen will recover more than one third of the $66 million cost of the Hornsdale battery in its first year of operation. A return on investment of three years is remarkable and something that should make other utility companies sit up and take notice. The payback time for most of their generating plants and infrastructure is usually measured in decades, not a few years.

Neoen says the Hornsdale installation had $9 million in income from network services — mostly frequency stabilization — during the first 6 months of operation. Almost $2.5 million of that sum comes from a 10 year agreement with the South Australian government to provide reserve capacity to the local grid. Doubling that sum for the first 12 months of operation results in $18 million in income.

In addition, Neoen can expect to receive another $7.5 million in the first year from selling stored electricity back to the grid, bringing the total income for the year to more than $25 million. Neoen has not released figures about its operating expenses, but the numbers it has made public suggest the Hornsdale battery is more than paying for itself and will continue to do so for decades to come.

Dylan McConnell of the Australian-German Climate and Energy College tells The Guardian the numbers for the Hornsdale project are exceeding all expectations, but the financial rewards from battery storage may narrow somewhat in the future as more such projects come online. “There’s a finite need for these ancillary services,” he says. “They are very important resources but it’s quite a small market in the scheme of things.”

Neoen hopes to use the proceeds from its IPO to increase its battery storage power capacity in Australia from 2 GW to 5 GW, according to The Guardian. Already, a 20MW battery installation is going forward as part of a 194MW wind farm at the Bulgana green power hub in Victoria, and Neoen has proposed building a 50MW storage facility near Kaban in Queensland. [Note: The Guardian is reporting all of these figures as gigawatts, not gigawatt-hours, so we presume they are referencing power capacity rather than energy capacity of these storage projects.]

The national government of Australia is now in the grip of committed fossil fuel interests who want to boost the country’s coal generation, climate change and carbon emissions be damned. Recently, new energy minister Angus Taylor crowed to supporters that the government has no plans to replace the country’s current renewable energy target once it expires in 2020, according to a report in the Sydney Morning Herald.

“The renewable energy target is going to wind down from 2020. It reaches its peak in 2020 and we won’t be replacing that with anything,” Taylor told parliament recently.

In the end, however, economics will overtake troglodytes like Taylor. The truth is, coal can no longer compete with wind and solar power that are buttressed by battery storage facilities. Taylor sounds a lot like Donald Trump when he says his country needs more “reliable” electricity from coal-fired generating plants. But his ideology-based arguments won’t stand up for long to the economic imperatives of the renewable electricity revolution.

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Written By

Steve writes about the interface between technology and sustainability from his home in Florida or anywhere else The Force may lead him. 3000 years ago, Socrates said, "The secret to change is to focus all of your energy not on fighting the old but on building the new." Perhaps it's time we heed his advice.


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