A time of use tariff 2026 plan charges different electricity rates at different times of day, rather than using one rate around the clock. This guide explains peak, shoulder and off peak periods, how smart meters record usage, and which households may benefit or pay more. It also covers solar exports, bill comparisons, retailer questions and practical steps to check whether a plan suits your home.
What a time of use tariff means in 2026
A time of use tariff divides the day into pricing periods. Electricity used during a high-demand peak period generally costs more, while usage during shoulder or off peak periods may cost less. The exact times and prices are set by the retailer and plan, so there is no single national timetable that applies to every Australian household.
In 2026, a time of use tariff may be offered alongside more traditional flat rate plans and other arrangements such as demand tariffs or more flexible pricing. Some retailers use different schedules on weekends, public holidays or across seasons. Before switching, read the plan's fact sheet or energy price fact sheet rather than relying on a generic description of peak and off peak rates.
The main feature to check is whether your property has a smart meter capable of recording consumption in intervals. A basic accumulation meter usually records the total electricity used between readings and may not support a modern time-based plan. If a meter change is needed, ask the retailer who arranges it, whether an appointment is required, and whether any charges or practical changes apply.
A time of use tariff does not automatically reduce a bill. It can work well when a household can move flexible use into cheaper periods, but it can be unsuitable when most consumption is unavoidable during peak times. The result also depends on the daily supply charge, rates for each period, discounts, solar exports and the accuracy of the household's usage information.
Peak off peak and shoulder periods
Peak periods are usually scheduled when demand across the network is higher, often in the late afternoon and evening, although the actual window varies. Shoulder periods sit between the highest and lowest priced periods. Off peak periods are commonly linked with lower overnight demand, but a cheaper rate is not guaranteed and some plans use only peak and off peak pricing.
The important question is not whether one period sounds cheap, but how much electricity your household uses in each period. Heating, cooling, electric cooking, hot water, pool pumps and home battery charging can each change the result. A family that returns home together and runs several appliances in the evening may have a very different outcome from a household with daytime occupancy and flexible appliances.
Check whether the plan uses different weekday and weekend periods, and whether daylight saving or seasonal changes affect the schedule. Also confirm how public holidays are treated, because some plans apply weekday pricing while others use a weekend or off peak arrangement. Keep the retailer's tariff table with your bill so you can interpret the periods correctly when reviewing consumption.
A common mistake is to focus on moving one appliance while ignoring the rest of the home. For example, delaying a dishwasher may have little effect if air conditioning, electric hot water and cooking account for most evening use. A better approach is to identify the largest flexible loads, estimate their timing, and then consider whether they can be shifted safely without creating inconvenience or health risks.
How to assess your household usage
Start with recent bills and any interval data available through your retailer or meter portal. Look for the total kilowatt-hours used, the billing period, supply charges, solar credits and any separate charges for controlled loads or demand. If your data is available in half-hour intervals, it can show whether consumption is concentrated in expensive periods rather than simply showing how much electricity the home uses overall.
Make a simple list of major appliances and when they operate. Note equipment that is difficult to move, such as medical devices or essential heating, separately from flexible loads such as dishwashers, washing machines, pool pumps, electric vehicle charging and some hot water systems. Do not change the operation of essential equipment solely to chase a lower rate; reliability and safety should come first.
A useful comparison involves applying the proposed rates to your own usage periods, not multiplying the cheapest advertised rate by your total consumption. For instance, a household might shift a pool pump and vehicle charging overnight but still use substantial electricity during the evening peak for heating and cooking. The lower off peak price could be outweighed by a higher peak rate or a larger daily supply charge.
When reviewing a plan, compare the whole bill cost, including usage rates, supply charges, discounts, solar feed-in credits, controlled-load pricing, demand charges and any conditional requirements. Check whether discounts apply to usage only or to the entire bill, and whether payment methods, direct debit or paper billing affect the advertised offer. A plan with a low headline rate may not be cheaper once these components are included.
Solar batteries and retailer comparisons
Solar households need to assess both electricity purchased from the grid and electricity exported to it. A time of use tariff can be useful if a battery charges during a lower-priced period and supplies the home when grid rates are higher, but the battery's efficiency, capacity, controls and warranty affect the result. Exporting solar during the day may also earn a different feed-in tariff from one plan to another.
Avoid assuming that using a battery at every peak period is automatically worthwhile. Some homes need stored energy later in the evening, while others may have limited solar generation in winter or use large amounts of power after the battery is empty. Compare the retailer's import rates and feed-in conditions with your actual seasonal production, and do not treat an installer estimate as a guarantee of future bill savings.
If you are seeking an energy retailer for households, check more than the advertised daily rate. An energy retailer comparison should include the retailer's contract terms, estimated annual cost for your postcode, payment rules, customer support, hardship arrangements and whether the plan is available to your meter type. For electricity price Sunshine Coast searches, remember that a plan estimate should be checked against your exact distribution area and household usage rather than copied from a different property.
Pay particular attention to solar feed in tariff conditions, including any export limits, introductory periods, minimum usage rules or requirements to keep particular equipment with the retailer. Federal and state energy schemes, retailer offers and metering arrangements can change over time, so confirm current details with the retailer and relevant government energy information before signing. If a solar or battery installation is involved, use an appropriately qualified provider and check current Clean Energy Council accreditation information where relevant.
How to choose and review a plan
Before changing plans, gather a recent bill, your National Metering Identifier if shown, and any available interval usage report. Record your current supply charge, each usage rate, solar credit and discount conditions. Ask the prospective retailer to explain the tariff periods in writing and whether the plan is a time of use, demand, controlled-load or another type of arrangement.
Use the retailer's estimated annual cost as a starting point, then test the assumptions. Ask whether the estimate reflects your actual postcode, recent usage, solar exports and meter configuration. If the retailer cannot provide enough information to understand how the estimate was calculated, treat that as a reason to investigate further rather than assuming the plan will perform as advertised.
After switching, monitor the first few bills rather than waiting for a yearly review. Check that the meter dates, tariff periods and usage totals appear reasonable, and compare the bill with your household's behaviour during the period. Contact the retailer promptly if the plan appears to have been applied incorrectly, a promised discount is missing, or a meter change has not been completed as explained.
A time of use tariff should be reviewed whenever your circumstances change. New solar, an electric vehicle, working from home, retirement, a change in heating, or a larger household can alter the most suitable tariff. Keep records of bills and meter data, and use the retailer's hardship or payment support team if cost pressures make the bill difficult to manage; support options may be available regardless of the tariff type.
Key Takeaways
A time of use tariff 2026 plan can suit households that can shift meaningful electricity use away from expensive periods, but it is not automatically cheaper. The decision depends on the complete tariff structure, your meter, usage pattern, solar or battery setup and the plan's contract conditions. Compare the likely whole-bill cost rather than one attractive rate.
The safest process is to obtain your usage data, identify flexible and essential loads, and compare at least the supply charge, every usage period, solar credits and conditional discounts. Confirm the exact timetable with the retailer because peak, shoulder and off peak periods vary by plan and location. Rules, offers and energy schemes can change, so check current information with the retailer and relevant Australian government energy resources before acting.
After joining a plan, review the first bills and reassess whenever your household changes. If you are unsure about a meter, solar system, battery or electrical equipment, seek advice from the relevant retailer, accredited installer or licensed electrical professional. WattWise provides general information only and does not decide eligibility, set retailer prices or guarantee savings.