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AER Keeps Queensland's Optional Tariffs: What the 30 October Decision Means for Buyers

3 hours ago
11 min read

On 30 October 2026, the Australian Energy Regulator (AER) refused a request that would have quietly removed two future tariff options from Queensland's electricity system. Energex and Ergon Energy — the two distribution networks owned by Energy Queensland, covering South East Queensland and regional Queensland respectively — had asked the regulator to amend their 2025–30 tariff structure statements to remove the planned introduction of optional demand tariffs and flexible load tariffs. The AER said no.


The decision does not change anyone's bill tomorrow. It does lock in what retailers in Queensland will be able to offer residential and small business customers in 2027 and 2028, and it tells a larger story about where Queensland pricing is heading: towards tariffs that charge more for peak demand and reward customers who can shift flexible loads. For households with solar and batteries, for small businesses with daytime peaks, and for commercial buyers designing new systems, that direction matters now — because the systems being specified today will live under the tariffs of 2027 and beyond.


This blog reports what happened, what the AER actually decided, and what it means for different buyers. It does not speculate on why the networks sought the change beyond what the regulator published, and it does not present any tariff as a saving promise: whether a demand or flexible load tariff helps a particular customer depends entirely on that customer's load profile.


Queensland electricity network infrastructure and a residential street with rooftop solar at dusk near Brisbane.

1. What happened, when, and who is involved

The decision. On 30 October 2026, the AER released its final decision refusing to approve requested amendments to the 2025–30 tariff structure statements of Ergon Energy and Energex. The AER's own determination pages record the sequence: on 22 May 2026, Ergon Energy and Energex (Energy Queensland) submitted requests to amend their tariff structure statements to remove some optional tariffs they had planned to introduce during the 2025–30 regulatory control period. On 30 October 2026, the AER released its final decision to refuse those requests.


The rule the networks had to meet. Under the National Electricity Rules, a distributor can request a change to its tariff structure statement if it can demonstrate that an unforeseen event has occurred that is outside its control, and that the amended statement would better meet the pricing principles than the existing statement. Following consultation, the AER assessed that the request did not meet that threshold. ESD News, reporting the decision on 1 November 2026 (UTC), quotes the regulator: "As a result of our decision, the current approved tariff structure statements for Ergon Energy and Energex, which commenced on 1 July 2025, will continue to apply for the duration of the 2025-30 regulatory period."


What stays in place, and when. The approved statements commenced on 1 July 2025 and run to 30 June 2030. Under them, electricity retailers operating in Queensland, on behalf of their residential and small business customers, will have access to optional demand tariffs from 1 July 2027, and access to optional flexible load tariffs from 1 July 2028. Those dates are the key practical facts in the whole decision: the tariffs are not being introduced tomorrow, and they are not being scrapped. They are optional, they arrive in stages, and they are offered through retailers, not imposed directly by the networks.


A note on dates. This blog is published on 2 November 2026 (Australian date). The AER decision itself is dated 30 October 2026, and the ESD News report is timestamped 1 November 2026 in UTC — the morning of 2 November in Brisbane. The decision is therefore the most significant verified Queensland energy story from the previous days, not a same-day announcement, and it is reported here with its actual dates.


Fact

Detail

Source

Decision maker

Australian Energy Regulator (AER)

AER determination pages, Ergon Energy and Energex 2025–30

Networks involved

Energex (South East Queensland) and Ergon Energy (regional Queensland), both Energy Queensland

AER determination pages

Request submitted

22 May 2026 — to remove some planned optional tariffs

AER determination pages

Final decision

30 October 2026 — refused, amendments not approved

AER determination pages; ESD News 1 Nov 2026 (UTC)

Regulatory period

1 July 2025 to 30 June 2030

AER determination pages

Optional demand tariffs available

From 1 July 2027, via retailers, for residential and small business customers

ESD News, quoting the AER

Optional flexible load tariffs available

From 1 July 2028, via retailers, for residential and small business customers

ESD News, quoting the AER

Test applied

Unforeseen event outside the distributor's control, plus better meeting the pricing principles

National Electricity Rules, as reported by ESD News

AER finding

The request did not meet the threshold

ESD News, reporting the AER


2. Demand tariffs and flexible load tariffs, explained without jargon

A demand tariff charges for your peak, not just your total. Most households are used to paying per kilowatt-hour: the more energy you use, the more you pay. A demand tariff adds a second charge, based on the customer's highest electricity demand during a specified period — typically the highest average demand over a 30-minute or hourly window in a peak period. Two households that use the same total energy in a month can pay different amounts on a demand tariff if one spreads its use evenly and the other runs everything at once on a hot evening. That is the point: the network is sized for peaks, so the tariff charges for the peak you cause.


A flexible load tariff is the controlled-load idea, updated. ESD News describes it plainly: a flexible load tariff operates similarly to a controlled load tariff, offering a fixed charge rebate to customers with eligible appliances who give Ergon Energy or Energex control of the appliance. In practice, that means the network can switch an eligible load — historically hot water, and increasingly pool pumps, batteries and EV chargers — on or off within agreed limits, in exchange for a cheaper rate for that load. The customer trades a degree of control for a lower price.


Optional means optional — for now. These tariffs are described by the AER and ESD News as optional tariffs that retailers will have access to, on behalf of residential and small business customers. That wording matters. The decision does not say every Queensland customer will be moved to a demand tariff in 2027. It says the option will exist, through retailers, from the stated dates. Whether a particular retailer offers it, and whether a particular customer should take it, are separate questions that depend on the customer's load profile, metering and retailer offer at the time. Customers should not assume they will be switched, and should not assume an optional tariff is automatically cheaper.


Why regulators like cost-reflective tariffs. The AER's earlier final decision on the same tariff structure statements (Attachment 19, April 2025) considered both demand and time-of-use tariff structures for small customers to be compliant with the pricing principles, on the basis that tariffs should reflect the efficient cost of providing the service. The logic is that when prices reflect the cost drivers — especially peak network demand — customers who can shift load get a real signal to do so, and the network avoids building capacity for peaks that could have been flattened. Whether that logic helps a particular household depends on whether that household can actually shift its load.


3. Why the networks asked, and why the AER refused — what is confirmed and what is not

What is confirmed. The networks asked on 22 May 2026 to remove some planned optional tariffs from their 2025–30 statements. The AER consulted, assessed the request against the National Electricity Rules test, and refused it on 30 October 2026. The approved statements therefore continue unchanged for the rest of the 2025–30 period. Those facts come from the AER's own determination pages and the ESD News report of the decision.


What is not confirmed in the sources used for this blog. The AER's final decision document on the requested amendments (a PDF listed on the AER's determination pages) sets out the regulator's reasoning in full, including what the networks argued and how the AER assessed the unforeseen-event test. This blog does not summarise reasoning that has not been read in that document, and it does not attribute motives to the networks beyond the fact of the request itself. Readers who want the full reasoning should read the AER's final decision document for the October 2026 amendments, linked from the AER's Ergon Energy and Energex determination pages. What can be said safely is that the AER's threshold is deliberately high: a tariff structure statement is a five-year commitment, and it is not amended lightly.


What the decision is not. It is not a new tariff, not a price increase, and not a change to any customer's current bill. It is a refusal to change a plan. That distinction is the whole story: had the request succeeded, the optional tariffs would have been removed from the plan; because it failed, they remain in the plan, on their original timetable.


4. What this means for you

For homeowners, especially with solar and batteries. A demand tariff changes the maths of a home battery. On a flat or time-of-use tariff, a battery's value comes mostly from shifting solar energy into the evening. On a demand tariff, a battery that can cap the household's peak — by discharging during the evening peak window — can also reduce the demand charge, which may be worth as much as the energy arbitrage. Conversely, a household with an unmanaged EV charger, a pool pump and air conditioning all running at 6 pm could face a higher bill on a demand tariff than on a flat tariff, even with solar on the roof. The lesson is not "get a battery" or "avoid a demand tariff". It is: know your peak, know when it occurs, and model any tariff change on your own interval data before accepting it. A retailer offer that looks cheaper on average usage can be more expensive for a peaky household.


For small businesses. Small businesses in Queensland — cafes, workshops, clinics, small warehouses — are explicitly in scope for these optional tariffs through their retailers. A business whose load peaks when its equipment starts up, or whose refrigeration and air conditioning coincide, should treat 2027 as a planning horizon, not a distant date. Load profiling now, and any solar, battery or load-management design done in 2026, should be tested against a demand-tariff scenario as well as a time-of-use scenario. That is a modelling step, not a purchase decision, and it is cheap compared with discovering a demand charge after a system is installed.


For commercial and industrial buyers. The decision's direct scope is residential and small business customers, but its signal is broader: Queensland's networks and regulator are committed to cost-reflective pricing over the 2025–30 period. Large customers already live with demand charges, and the direction of travel — more granular, more peak-sensitive pricing — reinforces the case for the load management, solar-aware charging and battery sizing work covered in EServices4U's commercial guides. A commercial system designed only for energy savings, with no attention to peak demand, is designed for a pricing world that is moving away from it.


For investors and developers. Tariff reform is a slow-moving but high-impact variable in project economics. A residential development, a build-to-rent project or a commercial precinct whose energy model assumes flat tariffs for its whole life is modelling a world the AER has just declined to create. The 2027 and 2028 dates give developers time to design in load flexibility — managed EV charging, staged battery capacity, controllable hot water and pool loads — while the concrete is still wet, rather than retrofitting it later at far higher cost.


For Queensland and Brisbane buyers specifically. This is a Queensland decision about Queensland networks, and its practical effect is Queensland-wide: Energex covers South East Queensland including Brisbane, and Ergon covers regional Queensland. There is no equivalent change in this decision for New South Wales, Victoria or other states, and readers outside Queensland should not read it as a national tariff change. Within Queensland, the difference between the two networks still matters — connection rules, export arrangements and retailer offers differ between the Energex and Ergon areas — so any tariff comparison must be done for the specific address and network, not for "Queensland" in general.


5. What EServices4U would check independently

  • Tariff and load-profile review — from $299 as a solar and battery feasibility assessment — 12 months of interval data, peak identification, and modelling of flat, time-of-use, demand and flexible-load scenarios on the customer's actual profile, before any tariff switch is accepted.

  • Solar and battery sizing against a demand tariff — whether a proposed battery can actually cap the household's or business's peak, what discharge window that requires, and whether the quoted saving survives a demand-tariff scenario or only works on a flat tariff.

  • Workplace and fleet charging design — where EV charging is part of the load, checking that the charging schedule, load management and solar interaction do not create a new peak that a demand tariff would punish. See EServices4U's Brisbane workplace EV charging guide.

  • Quote and tender comparison — from $149 for a residential quote review — checking that competing solar, battery or charging proposals state their tariff assumptions, and flagging any proposal that promises savings without naming the tariff it was modelled on.

  • Commercial Infrastructure Assessment / RPEQ & RPEV SLD Sign-Off — from $495 — where the engagement scope requires it, for larger commercial premises.


Scope and the qualifications required for each engineering engagement are confirmed before work starts. EServices4U does not sell installations and does not receive installer commissions, so the review is independent of any retailer, installer or network.


Frequently asked questions

Will my Queensland electricity bill change on 1 July 2027?


Not automatically. The optional demand tariffs become available to retailers from 1 July 2027, and flexible load tariffs from 1 July 2028. Whether your retailer offers one, and whether you take it, depends on your retailer and your choice at the time. Your current tariff does not change because of this decision alone.


What is a demand tariff, in one sentence?


A tariff that charges, in addition to energy used, for your highest demand during a specified period — so a short, high peak costs more than the same energy spread evenly.


What is a flexible load tariff?


A tariff, similar to a controlled load tariff, that offers a fixed charge rebate to customers with eligible appliances who give the network control of that appliance within agreed limits.


Why did Energex and Ergon want to remove these tariffs?


The AER's determination pages confirm the networks requested the removal on 22 May 2026 and that the AER refused it after consultation, finding the request did not meet the National Electricity Rules threshold. The full reasoning is in the AER's October 2026 final decision document on the amendments, which readers should consult for the detailed arguments.


Should I switch to a demand tariff when it becomes available?


Only after modelling it on your own load profile. A demand tariff can reward a household or business that can flatten its peak, and penalise one that cannot. Never accept a tariff switch on a generic saving claim — ask for the calculation on your interval data.


Does this decision affect customers outside Queensland?


No. It concerns the tariff structure statements of Energex and Ergon Energy only. Other states have their own networks, regulators and tariff structures.


I have solar and a battery. Does this decision change what I should do?


It changes what you should model, not necessarily what you should buy. Any battery or solar proposal made from now on should be tested against a demand-tariff scenario for 2027 onwards, as well as against your current tariff, so the investment case does not depend on a pricing world that is changing.


Get an independent check before you switch tariffs or commit

  • Start with a free 15-minute consultation to talk through your tender, system, building, or project and find out which fixed-fee review fits, if any. Call/WhatsApp 0480 001 498 or email growthpartner@eservices4u.com.au. No obligation, and it does not include a written report.

  • Solar and battery feasibility assessment — from $299. See packages and pricing.

  • Residential quote review — from $149. See packages and pricing.

  • Home Owner's Engineer services — from $599. See owners engineer Australia.

  • Commercial Infrastructure Assessment / RPEQ & RPEV SLD Sign-Off — from $495. See packages and pricing.

  • EServices4U home — eservices4u.com.au. Team — team. Quote — quote.



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