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Australian energy retailers must provide three hours of free daytime electricity

https://lenergy.com.au/free-daytime-electricity-is-coming-heres-how-it-actually-works/
This article is misleading as it implies that Australian energy retailers must provide every household with 3 hours of free electricity.

This is not the case. From 1 July 2026, Australian energy retailers with more than 1,000 customers must offer at least one energy plan which includes 3 hours of free electricity, capped at 24kWh per day, to residential customers in 3 states - NSW, SE Queensland and South Australia. https://www.energy.gov.au/rebates/solar-sharer-offer

Not all energy plans that the retailers offer have to include 3 hours of free electricity. In practice, most energy plans currently offered don’t include 3 hours of free electricity but some retailers such as Globird are offering more than one energy plan which includes ‘free’ electricity.

The downside of these solar sharer plans which include ‘free’ electricity is that they generally have higher daily supply charges and higher usage charges outside the ‘free’ window to recoup the costs of the ‘free’ electricity.

Australian consumers can choose the retailer and energy plan their home or business is on and can change their plan at any time.

This page on the Energy Consumers Australia website has more details about the Solar Sharer Offer and a similar Victorian Government scheme which starts on 1 October.

https://energyconsumersaustralia.com.au/news/solar-sharer-of...

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I feel like this is still relevant today:

Clarke and Dawe - The Energy Market Explained

https://www.youtube.com/watch?v=ELaBzj7cn14

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Incentivizing usage during peak times makes total sense, but if price swings are this wild, how are grid scale batteries not highly economical? My rough ballpark math was that you need roughly 20 kilowatts of battery storage to make this issue basically nonexistent, and that would cost about 10 billion dollars, which doesn't seem that much for this.
Grid scale batteries and household batteries are being widely deployed.

Australia is the third largest market in the world for grid scale batteries, and has the highest per-capita capacity in the world; https://www.pv-magazine.com/2025/10/21/australia-becomes-wor...

Not to mention more than 200k new household batteries installed in 2025 (out of roughly 10 million households).

I think it's less a question of batteries being economical, and more a question of the relative economics of batteries vs solar panels.

After all, if the highest demand is between 16:30 and 19:00 you could use batteries to store power at 12:00 and sell it at 18:00 - or in famously sunny Australia you could build enough solar panels that solar output at 18:00 matches power demand.

If batteries have a solid 9% return on investment, but solar panels have an even better 12% return on investment, panels will outpace batteries even though the batteries are a decent investment.

(Also, from a politican's perspective, making batteries highly economical is how you get batteries built. And an awful lot of pro-environment policies involve raising taxes, banning things and creating new chores; it's nice to have some green policy announcements that actually benefit voters in the short term.)

> you could build enough solar panels that solar output at 18:00 matches power demand

No you could not. For half the year the sun has set by 18:00.

I mean in the dead of winter, yes. For six months of the year? Definitely not.
You won't get 12% return if your panels generate electricity which is only paid between 18 and 19, because there is already overcapacity between 16:30 and 18.
One of my co-workers (I'm Australian) has 500 kilowatt-hours of storage at home...which is wild. Much more common is the 10-20 kilowatt-hours of domestic storage for a house.
What is their fire suppression setup like??? Granted I guess they could be doing pumped hydro storage lol
If they're in a rural / industrial area setting it could quite literally be a fire break around the battery area (bare dirt and no overhanging trees).

Fire control in Australia is first and foremost about limiting spread - the bush in Australia goes off if it catches hard.

"Mini" pumped hydro is a thing here (in places): https://www.abc.net.au/news/2024-12-01/australian-first-mini...

More details please, do they have a website that explains their setup?

Are they a hoarder of old car batteries and the like?

My dad buys lead acids written off from storm damage to solar systems (The whole system gets replaced under insurance even if the batteries are just a bit worn) and then sells them to preppers in the middle of nowhere. For a while he had above 300KW/h of storage, basically completely off grid with few shutdowns. It was kind of nuts. His house did burn down, but it was arson.
Does he have a saltwater aquarium, or any other hobby that can make use of it? If not, I can highly recommend that he get into it, if he's into that kind of overkill :)
That's ~8 used EV batteries. Each cost less than 10k, maybe 6-8k AUD.

If you know your way around high voltage DC, got a tractor and appropriate emulator - not exactly difficult or super expensive to pull off.

Granted it's pretty uncommon setup as grid batteries themselves are pretty cheap too and used EV battery is simply too large for home user, too much hassle, liability, etc to save like $2-3k.

They are, but they still take time to build, and loans to finance.

Here are two of SA's (which has the most renewable generation): https://en.wikipedia.org/wiki/Hornsdale_Power_Reserve https://web.archive.org/web/20220523164905/https://www.elect...

> but if price swings are this wild, how are grid scale batteries not highly economical

They are super economical in Australia and the government even offers discounts and interest free loan of 15k to buy them.

They are super economical… which is why there’s a subsidy required for people to buy them?
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> which is why there’s a subsidy required for people to buy them?

the gov't also offers interest free (but inflation indexed) loans to tertiary education.

Just because there's a subsidy, doesn't mean the tax payer is paying a price for inefficiency. The policy itself needs to be individually examined to determine whether it's an efficient use of funds, not simply that it's a subsidy (time frame needs to be taken into account too).

Is it so out of the ordinary that a government tries to help people save money or what's the question? Sounds like you've only had the American experience in life unfortunately.
If something actually saves money then it doesn't require a subsidy because people would be doing it regardless.

Meanwhile the government doesn't have any of its own money, so it can't really give you something that was yours to begin with, all it can do is take it from you and then give it back with strings attached. How is that helping you? Instead of subsidizing something you can make up your own mind about whether you want, they should just lower your taxes by the amount of the subsidy and let you use your money for that or something else at your choice.

> If something actually saves money then it doesn't require a subsidy because people would be doing it regardless.

Spoken as someone who never been poor. There is definitely a ton of stuff people with money can do to save more money, that is completely out of reach for the people who would actually benefit from those savings the most. Subsidies is quite literally about reaching these folks that others tend to forget about.

> all it can do is take it from you and then give it back with strings attached. How is that helping you?

Compared to "take it from you and not give it back to you", it's definitely helping people who have less money. Not sure how this needs explaining.

> Spoken as someone who never been poor. There is definitely a ton of stuff people with money can do to save more money, that is completely out of reach for the people who would actually benefit from those savings the most. Subsidies is quite literally about reaching these folks that others tend to forget about.

Except that there is no additional money, its just your own money but now there are strings.

On top of that, that still isn't necessary for things that save a non-trivial amount of money, because that's what loans are for. If it has a $100/mo loan payment and saves $150/mo on the electric bill then you take out a loan or buy it on an installment plan and don't need to have any accumulated capital in order to do it.

> Compared to "take it from you and not give it back to you", it's definitely helping people who have less money. Not sure how this needs explaining.

Why would anybody want that either, instead of just not taking it from you to begin with?

> Except that there is no additional money, its just your own money but now there are strings.

I understand what you mean, and yeah, "it's just your money", but also, it really isn't. Poor people have to pay taxes, no way around it, getting them back as subsidies is still better for them than not getting it back at all. The choice isn't "Keep the money or have subsidies", the choice is "The money goes to other stuff or get subsidies".

> On top of that, that still isn't necessary for things that save a non-trivial amount of money, because that's what loans are for. If it has a $100/mo loan payment and saves $150/mo on the electric bill then you take out a loan or buy it on an installment plan and don't need to have any accumulated capital in order to do it.

Are those interest-free or managed by for-profit entities? Because "loans" are vastly different things compared to subsidies, but I'm guessing you already knew this.

> Why would anybody want that either, instead of just not taking it from you to begin with?

Because "not taking it from you to begin with" isn't a practical and realistic alternative, that's not how the world, and especially taxes and government works...

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Because the individualized incentives do not take into account the community benefits.

The money saved is distributed across the community, for both those that directly benefit and those that can't (eg renters, apartments etc). The general benefit is of greater value than the individual savings.

Your attitude that somehow taxation is theft is a very silly Ayn Randian Objectivism outgrowth that has never been true, even in the most "free" US states.

> Because the individualized incentives do not take into account the community benefits.

Only if the utility company is pricing things incorrectly.

If the price of electricity is ~free during the day and expensive in the evening then the individualized incentives for installing a battery line right up.

> Your attitude that somehow taxation is theft is a very silly Ayn Randian Objectivism outgrowth that has never been true, even in the most "free" US states.

Whether it's theft or not doesn't change the arithmetic. When you're paying them the money they're paying you, it was your money to begin with.

Think about people who could not afford the initial investment. It's beneficial for society here if the government redistributes wealth for the benefit of all.
> Think about people who could not afford the initial investment.

This is what loans and installment plans are for, the payments for which come out of the savings on the utility bill.

> It's beneficial for society here if the government redistributes wealth for the benefit of all.

Which has nothing to do with batteries. If you want to do that then provide them with a refundable tax credit that allows for a negative tax rate in cases where that's deemed desirable.

And even that doesn't apply to the majority of people who are currently paying a non-negative amount of tax. Why attach strings to the money going to a middle class homeowner who should have just been allowed to keep that portion of their own salary?

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I know people who would purchase solar panels and batteries, but they do not have enough capital to do so.
The government loan changes the calculus. Allows for short term thinking and a long term benefit.
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Yeah this is why a lot of people were thinking that the Australian opposition asking for spending $40-50 billions for nuclear that would come online in 20-30 years and to keep using coal and gas till then were being stupid.
It wasn’t $40-50 billion. It was estimated to cost $116-$600 billion to build 7 nuclear reactors https://smartenergy.org.au/nuclear-fallout-116-600-billion-t...

I think the likely cost would have been hundreds of billions considering Australia does not have a nuclear energy generation industry. It currently has a very small nuclear workforce as it only has a small nuclear medical reactor on the outskirts of Sydney.

It's not stupid if they are paid off by the people selling the coal and gas.

It's just a treasonous level of corruption.

Voters opting to be extorted like this would have been stupid.

They are, and they are being rapidly rolled out and the "post sunset" spikes are rapidly being flattened by both grid storage and "behind the meter" home batteries.
Maybe they just don't work? Otherwise someone's leaving tons of money on the table. Which implies nobody is.
They've already burned at least $15bn on that disastrous Snowy Hydro "battery" project... Could've just rolled out consumer batteries on a large scale instead.
At current battery project prices, matching Snowy 2.0’s roughly 350 GWh of energy storage capacity with Tesla Megapacks would cost around AUD $218 billion [0] and require Tesla’s entire global Megapack production capacity redirected to a single client for five years.

$15 billion is far more than Snowy 2.0 should have cost. But it remains substantially cheaper than any lithium-ion battery build for bulk storage. Storage on this scale is essential in a post-coal electricity grid, and batteries are not (yet) plausible substitutes for bulk storage.

[0] This assumes linear scaling. In reality, placing an order like this would grossly distort supply and demand on many levels. Thus the cost would ultimately be superlinear.

Snowy 2.0 has major limitations on what it can supply, the headline number is very misleading.

And the comparison shouldn't be to batteries alone, but solar/wind and batteries. The former can be used directly and fill the batteries repeatedly on a timeline that is predictable.

It provides no extra value for the electricity to be stored long term if for the same money you can generate and store it short term.

Article on the various restrictions on Snowy 2.0:

https://theconversation.com/snowy-2-0-cost-blowouts-might-be...

Yeah the battery storage story has to acknowledge the fact that global production capacity simply isn't actually high enough to deliver that many batteries so we need alternative solutions to the problem as well.
From Australlian ABC news...

The cost of the Snowy 2.0 pumped-hydro project is estimated to range from \(\$12\) billion to as high as \(\$42\) billion depending on the scope of costs included (such as direct construction, interest, and broader transmission). Originally announced in 2017 with a $2 billion price tag, the project has faced massive scale and logistical blowouts. The cost of the Snowy 2.0 pumped-hydro project is estimated to range from $12 billion to as high as $42 billion depending on the scope of costs included (such as direct construction, interest, and broader transmission).

That said , hydro systems have a LONG LIFESPAN - 100 YEARS ?

Batteries need to be replaced every X years.

So the ecomiomics of the comparisoan would need to be calculated ...

Dinorwig[1] was opened in 1984, and is looking at a £1B refurbishment shortly for “at least another 25 years” lifespan.[2]

[1] https://en.wikipedia.org/wiki/Dinorwig_Power_Station

[2] https://www.waterpowermagazine.com/analysis/re-planting-the-...

That was exactly the point of the project though - it was designed by the conservative side of politics in our country to try and crowd out investment in batteries and other renewables while taking enough time to build to keep coal plants operating longer in the meantime.

It didn't work at all for that though - we had a lot of private investment in large-scale batteries anyway, because the cost came down quickly just as most people (apart from the conservatives) expected. Then the other side of Government got in and put a subsidy scheme to get hundreds of thousands of home batteries installed, which has been multiple times better bang-for-buck than the Snowy 2.0 scheme, as well as taking far shorter a time. At the same time coal plants are shutting down as expected because they are increasingly unreliable given their old ages.

Snowy 2.0 be an expensive stranded asset basically, it will work and be somewhat useful but extremely uneconomical so basically relying on the cost being written off - if it had to recoup any investment then it couldn't run because it'd never be able to sell the power for high enough.

You can do similar math with building above ground oil storage tank capacity aaaaaand giving everyone free gas cans.

And you can get out every drop. And it’s always ready to go. Do need to cycle your inventory.

Fire departments probably wouldn’t be happy about it.

Affordability is always relative. Australia can't afford that much battery storage, it has to spend $368bn on nuclear submarines. /s

(did you mean 20kwh per user, or 20GW overall?)

Edited to add: Clarification required in the title that the free energy is only between 11am and 2pm

Very interested to see how this turns out. Ultimately we want the transition to benefit both consumers and producers / distributors (the industry). The problem from the rapid uptake of solar in Australia has been an over-supply during this 10/11am to 2/3pm period. If that over-supply is suitably encouraged to be soaked up then hopefully consumers can reduce their power bills whilst the industry has less effort in managing the oversupply and less stress on infrastructure.

It's also about time that those who lack the means or situation to have solar panels of their own can get some advantage, in a 'herd immunity' kind of way.

I'm in the privileged position to have had solar panels for over a decade, and now have a battery as well, and it was very obvious to me at the time that, in regards to solar, it cost money to save money, so if you couldn't afford it then the savings are inaccessible.

This change hopefully helps those who need it, at least somewhat.

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With 3 hours of free power, a 15kW inverter and a 42kWh battery, I could almost do away with my solar panels and just survive of free grid power. I do have a 15kW solar panel set up, but I get very little from selling anything back to the grid.
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We already get free power between 0am and 6am, so with free power between 11am and 2pm we’ll have a whopping 9 hours of free power to charge our car and heat our water storage.
Ideally, they should pay the EV owners because electricity price goes negative. The EV owners are spending their own money to create a scalable on-demand storage infrastructure. This saves CapEx/OpEx of BESS and also eliminates peaker natural gas plants. EV owners should be paid once for allowing storage, and paid again for using the power to supply back to the grid (V2G).
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Dynamic pricing and deployment of digital smart meters should by mandatory in all electric grids dominated by renewables. Large electric consumers are already buying electricity at dynamic prices, small consumers should have the same incentives to shift the demand to day hours.
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Australia, excluding Western Australia as we are on a separate electricity grid.
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Seems like a good idea. Slightly tweaked consumer behavior can achieve what would take a hell of a lot of batteries
Incidentally the Netherlands has this too, at least with some providers (Budget Energy for one). I get free electric from 12:00 to 17:00 on weekends.
Link? I never heard of this and I'm very interested
You might check the rates on Tibber as well. A lot of companies that offer a "free" usage period tend to just move the cost around. If you're comfortable taking the risks associated with a wholesale supplier, then you can likely save a ton of money without even changing your consumption habits.

During this past month with the heatwave, my electricity bill was only about €50 despite running airco all day most days. I have 6 solar panels on my roof for reference (was 3k installed I believe). If I was willing to turn off the A/C at night, I could have easily cut the bill in half since most of the billed usage was between 18-21:00.

Ah that looks awesome, thanks!
You do pay taxes.
There's also the electricity transport costs. We're talking about the pure electricity cost here.
Well, sure, but that goes without saying?
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The requirement is to accept time of use TOU variant charging and if you cannot shift enough load into 3 hours you may pay more overall for power in other times of day.

Demand shifting is good. Do not mistake this as free energy, it very much depends. Many people still don't have TOU meters and many people won't successfully move load into the window.

Fixed line costs are rising massively. Electricity should be significantly cheaper but the economics here favour incumbents and people like John Quiggin arguing for renationalisation are drowned out.

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I am so building an arc furnace in my yard.
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It’s very cool to see what happens where there are simply so many residential solar installs. Power price goes negative during peak sunshine hours so they just give it away.

Solar installs benefitting everyone, even those who never got solar.

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Yeah, it's been great to see the uptake of rooftop solar in Australia.

One downside is that large scale solar projects aren't profitable any more. It kind of sucks for the investors that adopted green tech, that they aren't getting a good payoff.

The good news is that co-located solar and battery projects are still profitable, but capital costs are higher and payback period of batteries aren't as good.

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> It kind of sucks for the investors that adopted green tech

In the US, these people are known as speculators riding on government subsidy or grant, often shadily awarded - and anyone who couldn’t see consumer panel and consumer power-storage tech hooting its inflection point simply didn’t have a good grasp on the technology.

All important factors for investors.

Free isn't free.

Coinciding with this, suppliers put daily connection charges up.

I miss having Griddy in Texas. Direct access to the wholesale market is probably not good for the lower end of the consumer segment, but for people with some functional marbles it can make a big difference on the demand side of the grid.

I feel like they had to kill griddy before all the powerwall solutions started showing up. We simply cannot empower the peasants with both things at once. The ability to store energy makes access to wholesale prices substantially more effective.

I'll never forget the days where we would get push notifications about negative prices. I'd throw the dryer and oven on every time to try and unwind the meter a bit.

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They could just sidestep it, by making the electricity free but the transport or cable use more expensive, no?
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Australia should deploy vertical solar massively. Adds a few more hours of production.
Its because they have NO economical way to store it to sell for night time usage.
Not really.

The fundamental costs and margin requirements in the system haven't changed.

This is a government-mandated electricity plan (a default market offer) that competitive electricity retailers are now required to offer. Those retailers still have network costs, environmental costs, energy costs, and administration costs to recover, and so prices at other times of day necessarily go up.

Some consumers may be better off on this plan (generally at the expense of other consumers), and some will be worse off.

It's good politics and only so-so policy.

This will kill new household solar instillation.

The payback time was already well in excess of 10 years, but now that power is free during the day, you can't count those hours as helping pay down your investment. Payback time will be 30 + years at least. You are much better just enjoying your neighbors solar rather than paying for your own.

(Feed-in is about 3c now I think. Was 12c when many people bought their panels.)

Note: My state 100% renewable energy so reduction of carbon footprint has not bearing on my solar decisions.

This also feels like a fairly heavy handed way to encourage investments in batteries. But in the famous words of George W, "can't fool me again". As soon as there are too many batteries and the grid companies are not making enough money, they will introduce fees to have the batteries, or increase connection fees.

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When it's hardly needed!
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Some parts of Australia.

Not Victoria which has bankrupted itself building roads and railways it cannot afford.

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basically they give you a few hours free electricity in exchange for significantly higher electricity prices for the rest of the day.

basically a free IQ test.

Can you elaborate on the higher elec prices for the benefit of those of us not in Aus? Is that because of the smart meter requirement?
Before: 25c/kwh all day

After: 30c/kwh most of the day, 0c from 11-2

It's still worth it if you have a lot of load you can shift to the middle of the day (like a pool heater or battery), but for most 9-5 workers you just end up paying more at the times you're actually home.

Smart meters are free, most people already have one.

Ahh, so the 30c rate is locked in for everyone? So they've basically price-shifted the elec so it follows production cost better?

Even if you're not home I'm thinking there are a number of ways to make use of the free elec. Hot water geyser seems like the obvious first candidate.

I'd also think heating (in winter), cooling in summer. Even if you're not there in those times, the effects will be evident for many hours after.

For those who have programmable washer/dryers or dishwashers it's also good. Even ovens on occasion.

I get that not everyone is best placed to take advantage of this, but equally improvements don't have to be an "everyone or no one" option.

No it's optional, the retailers just have to offer it.
I thought most Australians had different pricing for peak/off-peak. I'm paying 39c/kWh for peak (3pm to 9pm) and 20c/kWh for off-peak (9pm to 3pm the next day).
Yeah just a simplified example, I pay 33/16/10 peak/off-peak/midday.
Get a battery
45% of us either rent or live in apartments.
Sure, a battery isn't available to everyone. But I is available for many.

One would have to do the math, cost of battery versus 24kw free daily. But clearly for lots of people the math will work.

A side effect of policies like this is effectively getting people to invest capital to time-shift elec usage. That's good policy. Reducing the peaks in consumption solves other problems.

The utilities don't really want to sell you the cheap solar. They'd rather write op-eds about how too much solar is flooding the grid and beg for more money to invest in the grid elements they can make money from.

The government is having to force them to reflect the abundance of cheap, clean energy at these times in at least one of their tariff offerings.

They can bend the rules slightly by adding other daily charges or limitations and upping the price at other times to reduce uptake and move us all slightly further from the global optimum but maximize their profits.

The fine print is interesting, theres a cap, fair use provisions and it requires a smart meter. Smart meters are still a bit contentious.

Sadly probably wont be any good for selective crypto mining, alas.

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