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[–] 20 points 7 months ago

*South Australia

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  • 10 comments in c/energy@slrpnk.net view that post
    [–] 36 points 9 months ago

    South Australia
    #isaveyouaclick

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  • [–] 17 points 9 months ago

    Saved you a click: It's South Australia

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  • [–] 10 points 9 months ago* (last edited 9 months ago)

    As a South Aussie, we also have HUGE amounts of roof-top solar.

    I've currently got a 2.8kw system and am upgrading it this year to a 16kw with a 32kwh battery. I'll use it to charge my ev (another purchase this year, possible changing both cars) and get a bidirectional charger installed so, when there is limited power in the grid, I can sell some of it back at stupidly high prices, including some from the car too. We use about 20-40kw per day (40kw only on really hot or really cold days), so should cover us for a while.

    In case anyone wants cost breakdown, it's going to cost about $30k, and will pay for itself due no bills in a maximum of 8 years and a lot fewer if we sell spare electricity back to the grid.

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  • [–] 6 points 9 months ago (4 children)

    The biggest impact on SA power prices right now is the wild price fluctuations, because the power price ceiling is $23,000 and the floor is -$1000 it means that it only takes a few hours at the ceiling to completely blow average prices up

    And sadly we won't be able to write this article at the end of the summer quarter because SA had a major heatwave that lasted a week:

    South Australia endures record-breaking heat

    Minimum of 34 degrees overnight

    https://www.youtube.com/watch?v=2dKOp6d6dvo

    Which meant a boatload of air conditioners on 24x7 which meant a ton of power draw on the grid so it maxed out for ages

    https://explore.openelectricity.org.au/energy/sa1/?range=30d&interval=1d&view=discrete-time&group=Detailed

    So yeah a painful one coming up

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  • [–] 5 points 9 months ago (2 children)

    Basically free power most of the time and very expensive sometimes seems like a slam dunk for deploying battery storage to be honest

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  • [–] 2 points 9 months ago

    yep batteries are definitely all the rage, especially with solar farms getting fuck all out of their stuff these last few years as the daytime price keeps going negative

    The first Tailem Bend solar farm was the second big solar project in South Australia, after the 220 MW Bungala solar farms near Port Augusta. Those facilities are also heavily curtailed, and Bungala’s joint owners Potentia Energy are considering a big battery at that site too.

    https://reneweconomy.com.au/construction-starts-on-new-south-australian-big-battery-choosing-a-merchant-route-to-market/

    https://explore.openelectricity.org.au/capacity/nem/?range=all&interval=1M&view=discrete-time&group=Detailed

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  • [–] 3 points 9 months ago

    I guess it won't be bad to have a flat rate electrical connection, with the rate mainly depending upon the maintenance costs.

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  • [–] 3 points 9 months ago

    I'll save you a click... it's South Australia. (I think, I didn't read it, but these guys said it is)

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  • 1 comment in c/world view that post
    [–] 3 points 7 months ago*

    The average wholesale power price is plummeting.
    There's also massive price spikes during exceptional conditions, where we rely primarily on gas turbines. We also have massive daily connection fee charges to contend with.

    As a retail customer, the prices remain the highest in the country and arguably some of the highest in the world.
    Currently I am paying 46c/kWh for what I use, compared to ~ 28c in Victoria and Tasmania, 33c in Queensland or 36c in New South Wales.

    On top of this high usage charge, I am also paying 125c per day as the "Supply Charge" just for being connected.

    I'm not 100% sure where the blame should be placed here, but SOMEONE is making mega profits, because the savings aren't being passed on.

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