US energy technology company Enphase Energy says orders for its first battery storage offering have jumped to more than 70,000 units, with New South Wales at the centre of demand as households respond to the end of premium feed-in tariffs for their solar installations.
Enphase has chosen Australia as the launch-pad for its first battery storage offering, a 1.2kWh modular lithium-ion unit that is expected to sell for between $2,000 to $2,500 including installation.
It says that it has already had to lift its production volumes because of overwhelming demand for its product, which now total more than 70,000 units in Australia and New Zealand in the next 12 months.
Nathan Dunn, the head of the company’s Australian operations, says that more than half of the demand is coming from NSW, where more than 140,000 households will see generous gross feed-in tariffs for their solar arrays come to an end at the end of 2016.
“Given that more than 50 per cent of interest is coming from NSW, it is clear that people are starting to get ready for the closure of the feed-in tariff at end of the year,” Dunn told RenewEconomy in an interview.
“What we are seeing and hearing from installers is that the smaller size and scaleable nature is resonating with home owners.
“They can buy a single unit that they can install and test the technology. And then they can upgrade. It fits in well with large number of customers coming off systems in NSW.” (Many of whom have relatively small rooftop solar systems that are already paid off from the 60c/kWh gross feed-in tariff).
Dunn is confident that the small size will resonate with consumers because the purchase price was a credit card transaction and allowed consumers to “dip their toe in the water” and get used to the idea of storage.
“There is significant interest in battery storage driven by number of brands – and we thank them for that. The format that’s resonating the most with customers is a small initial up-front payment and the ability to scale over time. Many people don’t want the sticker shock of a bigger unit.”
Dunn said that after NSW, the next biggest markets were Victoria – where some tariffs are also expiring at the end of the year – and Queensland.
Giles Parkinson is founder and editor of One Step Off The Grid, and also edits and founded Renew Economy and The Driven. He has been a journalist for 35 years and is a former business and deputy editor of the Australian Financial Review.
This post was published on August 31, 2016 1:54 pm
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You are talking storage and energy production/consumption so it's kWh (kilowatt hours) not kW (kilowatts). When you talk about how many appliances you can turn on at once without your system being overloaded then you are talking power (in kW).
If you have grid power available from a pole in the street then you will never be able to justify storage at $2080/kWh.
After December 31st, I would suggest feeding your solar energy into your electric hot water service using a diverter which senses when you are feeding solar power into the grid and adjusts the power fed to the heater element so that little or no power goes into the grid. That way you would be paying about $1000 for the diverter (and installation) and the hot water storage tank is free because you already have it.
Some diverters have an output or two that could be used to feed power to an airconditioner/heat pump etc when the hot water tank is up to temperature and not using any more power.