1mo ago

Household battery storage surges as plunging solar tariffs improve the economics

www.abc.net.au

'It's a scam': As solar feed-in tariffs plunge, battery demand surges

In short:
Around 75,000 battery storage systems were installed last year, up 47 per cent from 2023.
Current modelling estimates the payback time on a battery system at around eight years for a typical household.
What's next?
A wide range of experts, including a former RBA deputy governor, are calling for the federal government to introduce household battery subsidies to encourage uptake.

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We had a big solar array and oversized battery installed about a year ago. I have custom control logic setup that lets me discharge the battery to the grid when the electricity price spikes at night. We are on a electricity retailer that provides real-time pricing. This system means we draw nearly zero power from the grid, nearly zero demand charges, and usually earn about $3 to $5 a day selling at night. About once every 2 months there is a huge price spike and we earn $20 to $80 during the night which is a nice cherry on the top.
On cloudy days my logic charges the battery from the grid when power is cheap so we don't draw power at night when it's expensive.

11 comments