The Electric Household. Australian home electrification.

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34 stories · most recent 30 August 2026 · this page is generated at build, so it is never out of date

Data

The community battery rollout planned 92 by the end of last year and has built 22. Some are working the voltage backwards

ARENA's first Community Battery Portfolio Data Report, prepared by enX, covers 284 planned batteries and 23 installed. Within the slippage analysis, initial planning projected 92 installed by 31 December 2025 against 22 actual. Capital expenditure is now expected to reach $480 million, and interval data from 28 batteries shows some charging when voltage is low and discharging when it is high.

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Data

Australia ran a two-year trial of 51 all-electric homes. Year two contradicted year one

The Net Zero Energy Demand Homes project at Ed.Square monitored 51 all-electric homes against 10 conventional ones for two years. The final memorandum confirms the emissions case, reports that all-electric electricity use rose in year two while the conventional homes fell, and says its own sample is not statistically robust.

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Rebates

Your battery rebate depends on a list that can change between the quote and the install

The federal Cheaper Home Batteries Program and two state schemes only pay for products on the Clean Energy Council's approved lists. Those lists are dynamic: a product can be suspended for up to three months, or de-listed, at any time. Suspended and de-listed products stop earning small-scale technology certificates, and the date that matters is the installation date, not the quote date.

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Hot water

Your air conditioner has ten star ratings in the government register. Your hot water system has none, and no heat pump is in there at all

We downloaded the GEMS registration database for four product types. Air conditioners carry ten star-rating fields and 6,062 registrations; fridges carry two and 3,896. Electric and gas water heaters carry none at all, across 2,163 registrations, and not one of those is a heat pump. The register is a plain CSV download, and this is what it says about what the rules actually measure.

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Bills

Electricity inflation fell from 22.4 per cent to 6.1 per cent in a month. Almost none of that is about what power costs

The ABS released the July 2026 CPI on 26 August 2026. Annual electricity inflation is 6.1 per cent, down from 22.4 per cent a month earlier, and the ABS attributes both the level and the fall to government rebates rather than to the price of electricity. In the month itself, measured electricity prices fell 1.6 per cent, in the same month most bills were reset upward.

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Batteries

The national grid plan assumes just over half of home batteries join a virtual power plant. It books up to $5 billion against that

AEMO's 2026 Integrated System Plan, read in full. Under Step Change, small-scale batteries grow from 5 GW and 12 GWh in April 2026 to 35 GW and 78 GWh by 2050, and just over half of those batteries are assumed to be coordinated in a virtual power plant. That coordination is worth up to $5 billion in avoided utility-scale storage. The plan also says the consumer trust it depends on is not there yet.

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Hot water

Heat pump hot water is subsidised by government and covered by no efficiency standard

Water heating is about a quarter of household energy use, and the two systems public money actively subsidises through the SRES, solar and heat pump, are the two the rules ask least of. The government's own energy rating body states they have no energy efficiency requirements, and no water heater sold in Australia has to carry an Energy Rating Label.

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Solar

The regulator permanently suspended a solar certificate agent. Here is how to check yours

On 7 August the Clean Energy Regulator permanently suspended a company's registration under the Renewable Energy (Electricity) Act, so it can no longer create the certificates that pay for the discount on rooftop solar and batteries. The notice also carries a warning about associations with people already found not fit and proper. The public register that would let you check your own installer's agent exists, and it is harder to use than it should be.

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Solar

The small-scale solar scheme expands tenfold on 1 October. This one runs through the mechanism that reaches your bill

From 1 October 2026 solar systems up to 1 MW can create small-scale technology certificates, not just those up to 100 kW. It is aimed at warehouses, farms, schools and hospitals rather than homes. But STCs for solar are counted in the small-scale technology percentage that retailers must meet, and the regulator says plainly that battery certificates are not.

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Batteries

AEMO measured what a home battery does to your evening peak: 73 per cent less grid power

In its Q2 2026 Quarterly Energy Dynamics report, AEMO compared 10,000 households with solar only against 10,000 with solar and a battery. Battery households drew 0.7 kW less from the grid during the 4pm to 9pm peak, a 73 per cent reduction, and the effect is now large enough to show up in the national demand curve. Wholesale prices fell 47 per cent over the same quarter.

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Policy

$593 million goes onto NSW network charges this year for the Roadmap. The rulebook for how is now with the AER, final guideline due in September

The AER's fourth contribution determination puts $593.16 million on NSW distributors for 2026-27, to be recovered through network charges: Ausgrid $254.23m, Endeavour $221.40m, Essential $117.53m. Comment on the guideline that sets the method closed on 19 August 2026, and the AER expects to publish the final guideline in September 2026.

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Policy

Three NSW networks want about $128 million for the solar backstop. If nobody objects, the number stands

Endeavour Energy, Essential Energy and Ausgrid have applied to pass through the cost of building remote solar curtailment under the NSW Emergency Backstop Mechanism: $35.9m, $47.0m and $45.3m. Submissions closed on 21 August 2026. The AER's notice says that if none arrive it may not make a determination, and the amount proposed is then taken to be the approved amount.

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Policy

Should your network company own the charger outside your house? That question is now formally open

Energy Networks Australia has asked the national rule-maker to let distribution networks install and operate kerbside EV chargers as a regulated service, which means recovering the cost through network charges on everyone's bill. Nexa Advisory has asked for the opposite protection. Both sit inside the AEMC's new Electricity Network Regulation Review. Submissions closed on 23 July; the public forum was held in Sydney on 18 August 2026.

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Policy

The rules for Australia’s 225,000 life support households are changing. If you are one of them, you do not have to do anything

The AEMC has made a final rule changing how life support customers register and are contacted, taking effect December 2027. Existing customers keep identical protections and do not need to re-register. What changes: choice of contact method, an emergency contact person, annual check-ins, penalties for slow deregistration, and retailers must ask every new customer.

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Policy

The smart parts of your home energy system are getting a national regulator, and the real prize is ending device lock-in

On 21 July 2026 the Clean Energy Regulator confirmed it is set to become Australia's national technical regulator for interoperable consumer energy resources. It is the enforcement half of a plan to make your solar inverter, battery and EV charger work together and stop locking you into one brand. Here is what it covers, what it does not, and why it matters to a household.

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Grid

Rebates can’t put solar on a rental or turn your car into a home battery. A $30m federal grant just funded the pilots that might

On 22 July the federal government announced $30 million for 14 projects under a new Grid Enhancing Technologies grant. The two it led with are the household wins rebates can't reach: shared solar for apartments, and using your EV as a home battery. They are funded pilots, not a rebate you can claim, but they map where the next household-energy wins are meant to come from.

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Batteries

The ACCC did the sums on home batteries, and the savings are large

In its 10 July 2026 electricity report the ACCC found solar-and-battery households had median annual bills $329 to $909 lower than regular customers, and battery-plus-virtual-power-plant households $762 to $1,093 lower, on the back of 402,700 installs under the Cheaper Home Batteries Program. It also warns the consumer protections have not kept up. The figures, charted, with sources.

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Policy

The regulator put a number on the loyalty tax, then chose to shine a light on it, not end it

Customers on electricity plans more than three years old pay $221 a year more than customers on new plans, the ACCC found. The AEMC's draft fix was a same-price rule; its June 2026 final report dropped it for a disclosure obligation. Nine consumer groups say that leaves the work with the customer. The AEMC says a stronger rule looked too much like price control.

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EVs & charging

EVs were 23.3% of June sales. Or 25%. Or 35.8%. All three are true.

June 2026 EV market share is reported as 23.3 per cent, about 25 per cent and 35.8 per cent by the two main data publishers, and all three numbers are honest. Which definition and which denominator each uses, and what actually happened to EV sales this year.

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Batteries

Home batteries outpaced new solar installs across the rebate's first year

Clean Energy Regulator postcode data shows 460,792 home batteries were installed from July 2025 to June 2026, well ahead of the 314,650 new rooftop solar systems in the same window. The average battery peaked at 36.7 kWh in April then fell once the discount became size-tiered. The numbers, the postcodes, and the caveat that matters.

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Bills

What changed on your power bill on 1 July, region by region

Regulated electricity prices fell in NSW, south east Queensland, Victoria and regional Queensland from 1 July 2026, rose in SA and WA, and there is no national price at all. The figures, region by region, with sources.

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Rebates

Battery help by state, checked 22 July 2026: what is open, what has closed

The federal battery discount applies everywhere, WA and the ACT add real money on top, Victoria has tightened its solar rebate income cap, and several state schemes households still read about are closed. The ledger, with what we could and could not verify, re-checked 22 July 2026.

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Getting off gas

Victoria's 2027 gas rules are law now: what changes in your home and what does not

From 1 January 2027 new Victorian homes are built all-electric; from 1 March 2027 a gas hot water system that dies must be replaced with an efficient electric one. Gas cooking in existing homes is untouched, repairs stay legal, and owner-occupiers keep their heaters. What the gazetted regulations actually say.

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