Tesla Powerwall Home Battery $10,400 + Gateway $1700 (Total $12,100) + Delivery & Installation Costs @ Tesla Au

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*Price includes GST. Does not include delivery, installation, or other costs and fees. Final price will be provided by a Certified Installer.

Keep in mind this price is before installation and delivery.

That said, in the US the PowerWall (PW) 2 and PW3 have been the same price. Yet the PW3 includes an inbuilt inverter.

PW3 has 11.5kW of continuous power and 13.5KWh of capacity.

Once the NSW government battery rebate hits on 01.11.24 the price of these could drop to around $11k installed, which seems to be reasonable since most people are pretty much giving away their solar to the grid now.

The other thing to keep in mind is that you can recharge from the grid. So if you use OVO you can recharge from 11am - 2pm for free (though that’s when you solar will be pumping) and you can also recharge the PW with offpeak power from 12am - 5pm.

The downside of the PW is that it’s not modular, unlike the other two which are highly rated by Solar Quotes, the SolarGrow and BYD home battery systems. Where you can add a few KWh of storage easily and (potentially) make use of falling battery prices.

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Comments

  • +76

    In China, LFP battery wholesale price has sharply dropped by 50%+ this year. Let’s wait, it will soon reflect in the retail price in AU.

    • +32

      These things seem way over priced compared to the cars. And the cars can actually take you places.

      • +1

        That's because they are

    • +1

      Will depend on which company passes of those savings. Given the high amount of roof top solar in Australia, once the rebate kicks in I think there will be some downward pressure on prices. Maybe I’m dreaming.

    • +5

      Waiting for PW3…!!! ,, Hope they will arrive before the end of the year..

      • +2

        Same. I’ve gone down the rabbit hole of different manufacturers and the PW3 seems like the one for us too.

        • +1

          What's so good about PW3? I'm yet to go down the rabbit hole for solar batteries… I don't suppose it uses BYD blades in them?! Lol, I just read an article saying Tesla has started putting BYD blade batteries into Tesla Y's in Germany so far with good results. And there's a good chance I'd buy one just for that in the future if no other new battery tech gets released by then. BYD blade batteries are just that good I believe.

          • +1

            @Ultraman: When I was doing a look into batteries, I found out that the batteries in Tesla's are LFP (not necessarily blades) in the standard range and NMC in the longer range models. NMC batteries are more energy dense so they can take up the same amount of volume but provide a better range.

            • +1

              @Caped Baldy: NMC have a significant risk of turning into a fireball if something goes wrong.
              LiFe have far less risk of turning into a fireball, and charging to 100% doesn't degrade the battery.
              The new tesla powerwalls in the US market are LiFe… NMC is going to die a fiery death like plasma TVs in most applications.

          • +2

            @Ultraman: Pw3 is lfp. Pw2 is NMC. Lfp charges to 100% with less degradation than NMC. Powerwall is at 100% a lot of the time

            • @aka nioh: Nodsnods.. funny how tesla is tossing NMCs. Defenders of the technology say it won't burn up if the monitoring system works correctly.
              Critics say LiFe won't burn up because it doesn't need an active cooling monitoring system.

      • +1

        They likely will be, PW3 is the way to go

      • +1

        Ive just read this and started researching now and see the PW3 has an inbuilt Inverter.

        I'm just wondering what benefits do you gain if the solar battery has an inverter when you already have a standalone inverter (mine is a fronius)

        is the inverter part in the pw3 self sufficient or does it also require grid power to run it meaning if you lose power youre still only going to have power if you have some charge in your battery?

        how can this be cost efficient if the battery also includes an inverter since my inverter alone was a few grand I guess won't that make the battery even more expensive?

        cheers

    • +3

      interested in this LFP, lets see if its around 5k for this capacity ill bite

    • -4

      Quick way to get the fire started in winter I suppose….

      • NMC batteries are good for that. You'll be wasting your dough if you want an LiFe battery to warm your residence by fire.

  • +22

    Spent $12k, save $100 :)

    • +1

      I’m not sure about your power bills, but ours are unfortunately much bigger than $100/month.

      • +1

        With solar?

        • -6

          Without

          • +7

            @Ellllllys: How much research have you actually done?

            You should 100% get solar before a home battery. Charging a battery with off peak rates will have a very long pay back period.

            • +1

              @Caped Baldy: Hey, waiting for PW3 w inverter to get solar at the same time.

            • +2

              @Caped Baldy: Unless you are on a plan like Ovo where you get 3 hours of free electricity when the sun is shining

              • @Trojan: Or you’re with Amber Electric during the summer, where other houses are overproducing and you can just harvest the overproduced energy and ACTUALLY GET PAID FOR IT.

      • My power bills are no where near $12k

        • -1

          It might be worth it for localhost, depending on how many 4090's it has mining in the background.

          • +1

            @KintaroOe: Did you know Satoshi Nakamoto has not touched his bitcoin wallet since he created it in 2009. There’s $60 billion of bitcoin in there and he’s never withdrawn any.

        • +2

          You will break even by 2039.

          • +2

            @Mydc5r: assuming energy prices remain the same… they will not. they're going to increase.

      • Bro mine is $100/week 💀

        • is that because you only eat roots shoots and leaves… or is that the other chap?

    • +3

      Spent $12k, save $100 :)

      Sounds like most posts
      On here before 30 June…

    • +10

      at current battery prices they have never been an economical choice to save money they have only ever been added if you want convenience to still have power when the grid goes out

      sure your bills will be lower but not low enough to pay the price of the battery

      • +1

        Depending how much you pay for your battery.

        LFPs are going to be a lot more affordable in no time

        • Just need this price to be passed on by a reputable company that’s safe, efficient, effective and has a decent app.

          • @Ellllllys: Yeah good software integration's gonna be the killer

            • +1

              @0jay: Yeah tbh it’s what’s pushing me towards to PW over other (slightly) cheaper options. TBH at the moment they’re all about the same price. So going with the big dog with the good functionality and app makes sense.

              • @Ellllllys: I hear what you're saying, it'd be my dilemma too if I had property myself.

            • @0jay: I agree, but I hope Home Assistant gives us better battery diagnostics and allows us to control our battery through a standard interface.

      • +10

        ROI on (domestic) batteries is garbage, correct. Hopefully we start to get bigger community batteries sometime soon.

        And that's made worse when the supposed "deal" is on a Powerwall.

        Batteries are for if you have constant power outages, not otherwise.

        • -4

          ROI on (domestic) batteries is garbage, correct.

          incorrect, mine with pay for itself in under 9yrs.(assuming power prices dont increase). So after that it's saving me a fortune. .

          Hopefully we start to get bigger community batteries sometime soon.

          Yep, but it's not in the grid companies interest to have local storage. they should have been connecting compressed air/gas turbine storage years ago. But maybe we'll all get those magical SMR that Nuclear Pete is promising in every suburb. I mean just because there's only 3 in existence in our good friends Russia & China, surely we can whack a few together.

          Batteries are for if you have constant power outages, not otherwise.

          they're handy that's for sure. although I don't believe Powerwalls work during an outage, do they? Most domestic configurations don't because you need a grid isolating inverter otherwise when the power stops in the street so does your inverter & battery. Neighbours found that out the hard way late last year 5 days without power and mine was the only house in the street with power

          • +9

            @M00Cow: But after 9 years of constant daily use, how much capacity will be retained, and is it enough to offset the compound interest accrued from the initial cost of the battery (assume you paid for it in full upfront) over those 9 years, and do you need to replace it soon?

            Without the answers for those questions I found it hard to justify the batteries still.

            • +2

              @GreenRomeo: LG guarantee 90% capacity at 10yrs

              • +1

                @M00Cow: That’s impressive I think. Would be better if the warranty is more than 10 years as well.

                • +4

                  @GreenRomeo: My car warranty was 3 years. still going strong after 11.

                  it's strange how lots of armchair experts (like WattEver on Whirlpool) Claim that after 10yrs they're worthless & need ro be replaced. But there is absolutely no evidence of this. If LG has a 90% capacity on 10yrs, that would indicate they're pretty confident that they'll laat at least that long.

                  I just noticed powery power charges have goe up.from 23.5->28.5c/kWh, so that'll reduce the payoff time, but around another year.

          • +2

            @M00Cow: Mine paid for itself in less than 7 years. I installed a 12kWh LiFePO4 battery setup 7 years ago. I didn't go with Tesla because they didn't use LiFePO4 batteries. In the first 6 years I only paid $11 (total) for electricity. The past year (since feed-in rates dropped) has cost me $158 for the year. I had my setup installed so that if we had a blackout I could switch over manually, disconnecting all external power and using the battery (normally you lose all power if the external power is interrupted).

            • +1

              @cryptowiz: Powerwall automatically switches over to battery.. no need for a UPS anymore either.

          • @M00Cow: How much does a grid isolating inverter add to the cost of a system?

        • +1

          Good for power outages assuming they have a backup capability, some won’t operate in a blackout.

      • +1

        Quite a basic comment I'd say. There would be plenty of situations where people have huge bills (my family included - old house, poor insulation, 3 very young kids, etc) that a battery can help. Surely the task is to sit down, crunch the numbers and figure out the net gain/loss of getting a battery.

        • +10

          Which MANY people have done, discovered it doesn't make sense, and then people come along and ignore that via vigorous handwaving and whataboutiing.

          • @mickeyjuiceman:

            Which MANY people have done, discovered it doesn't make sense

            So ?

            It doesn't matter one jot whether the numbers worked for those people.

            What matters is how the numbers look for you.
            If they're good, get a battery.
            If they're bad, do not get a battery
            It's that simple - other people's numbers are utterly irrelevant.

          • @mickeyjuiceman: That's their issue I think - id argue that plenty have sat down and figured out its worthwhile and with year on year increases in costs of power (excluding the tiny drop recently) there is the possibility the ROI improves. Admittedly it will also improve as battery costs decrease (but Ive been hearing that for 10 years)

      • when you did those complex calculations… how many battery years/ recharges were you using for your calculations?

  • +14

    Where is the bargain?

  • +25

    How is this a bargain?

    • +11

      Has Tesla in the title 👍
      Saves on typing recommended retail price.

      • +1

        Lmao!! Same as Apple.

  • -1

    Hmm nah

  • +24

    Not a dime from my pocket goes to felon

    • +22

      Consumer ➡️ Elon ➡️ Trump. Pass

      • -1

        It's hard to think of a more terrible candidate for POTUS than Trump but I think Elon would probably edge him out.

        • +4

          I think he was saying (correctly) that Elon is pumping $45m a month into Trumps campaign.

        • -4

          More terrible candidate for POTUS? Clearly that witch Kamala comes to mind. Lord help us if she gets in

          • @BlahBlahBlaah: You're expecting her to make an alliance with russia….. to grab every man on the poossy…. to go for an unbeatable world record for crimes while in office…. to incite insurrection….. or do women scare you?

          • -3

            @BlahBlahBlaah: She’s a disgrace. Never makes any sense. Doesn’t care about illegal immigration. Doesn’t know what race she is - whatever she thinks will get more votes.

        • +1

          Given that Musk was born in South Africa, he will never be a candidate for POTUS. Phew!

          • @Cheapskate Paul: He probably doesn’t want to anyway. He’s a lot more intelligent and productive than Kamala Harris!

  • +12

    Price hasnt changed since introduced years ago….I thought these would have halved in price by now.

    • -2

      Or gone up with inflation?

      • +1

        Usually technology gets cheaper from the early adopter price more quickly than inflation increases the price.

  • +7

    Once the NSW government battery rebate hits on 01.11.24 the price of these could drop to around $11k

    Or could increase to $14.1k

    • yep, the price won't go down. just look at what happen when the original solar rebates came in..

      • +1

        We paid $45k for 10kw solar panel before the rebates in 2007

        You can get that for less than 8k nowdays

        • Paid itself off?

          • +2

            @Ellllllys: Probably a few times over at 60c feed in tariff

            • +2

              @bobs burgers: Yes, because of 60c, got struck by lightning so insurance paid for new ones for excess so they are relatively new again

              Still get 21c as in a low solar area

  • ok so 3 power walls looking at 31kw, for 31,000 bucks with a decent solar array could be off grid for sure.

      • +1

        31kw should last a few days depending on usage (potentially more depending on requirements)
        The biggest issue is having the quantity solar panels to replenish 31kw in batteries.

        • +1

          yeah I know thats the hard part lol getting a decent arrray that works well.

          • @kungfuman: And the style roof that allows the amount too. I have a few valleys and setbacks so it's hard to get a decent run of panels. I have a 6.6kw system atm but wish I have invested in a few more spread around.

            • +1

              @DannyBoy: you would need at least 20 solar panels to get a consistent charge to the battery, as well as a windmill or 2 for day and night charging.

              • @kungfuman: 20 solar panels? oh dear…. the expense!!
                Given that you could get a 40 panel @ 250W each - 10KW array…. for much less than the price of 1 battery…. your point doesn't seem very valid.
                If you're somewhere with less than 3 sunlight hours a day… you're in a strange place.

      • You should pay better attention! You responded to a post that said (power walls - batteries!) in combination with a decent solar array.

  • do they still do the telsa points thing?

  • +1

    Wish tesla slashes prices on these just like how they do it on cars

  • +9

    I ran numbers on using ovo plan to charge battery for free at lunchtime and the 8c between midnight and 6am. No solar. $2000/year power bill reduced to $500/year. Would take 10 years to pay for itself. Leaving the purchase cost cash offsetting my home loan debt is much better.

    • +3

      Why not add even a 6kw solar system?

    • +2

      Why would you bother installing a battery without solar

      • If you can charge for free or 8c at night why bother with solar is my thinking. Solar is dead for as long as these energy deals are out there

        • +2

          There’s only one company giving free + 8c

        • +5

          The cost of a 6kw system is so small these days. ROI is quicker.

          • +1

            @Ellllllys: I have a solar system and a big fan of it. But, tbh, with plans like OVO with 3 free hours, it is possible to schedule most of electrical "heavy lifting" to those hours - Water heating, charging EV, washing, dishwashing, pool pump. It will replace any solar system to 90% (especially with 3c FIT).

            • +2

              @Cupa Bundy Drinker: I’d agree but ovo’s new rates and fit of 3c have killed it for me. I’m pretty sure I’m better off on another company, eg engie ev plan with 10c fit.

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