For many Australian households, the July 2026 electricity bill brought an unwelcome surprise. While wholesale electricity prices have seen significant drops, daily supply charges and rising network costs are key culprits behind any increases you may have experienced, particularly in South Australia and Western Australia. In contrast, most of New South Wales, South East Queensland, and Victoria saw reductions in their benchmark Default Market Offer (DMO) and Victorian Default Offer (VDO) prices from 1 July 2026.
This guide will demystify your July 2026 electricity bill, explaining the interplay between daily supply charges, usage rates, wholesale costs, and network charges, along with practical steps you can take to manage your energy expenses.
Understanding Your Electricity Bill: Supply vs. Usage
Your electricity bill is primarily composed of two main types of charges:
- Daily Supply Charge (or Service Charge): This is a fixed daily fee you pay for simply being connected to the electricity grid, regardless of how much power you actually use. It covers the costs of maintaining the poles, wires, transformers, and other infrastructure that deliver electricity to your property.
- Usage Charge (or Consumption Charge): This is the variable cost for the electricity you consume, measured in kilowatt-hours (kWh). This charge can vary significantly based on your tariff type (e.g., flat rate, time-of-use) and the time of day you use power.
In New South Wales, for instance, standard daily supply charges typically range from $1.00 to $1.10 per day. However, some retailers, such as EnergyAustralia, have increased their daily supply charge to $1.70 per day, representing an annual increase of over $200 on this fixed fee alone. Even with a perfectly sized solar and battery system covering all your consumption, you will still incur this daily supply charge.
The Default Market Offer (DMO) and Victorian Default Offer (VDO) for 2026-27
Each year, the Australian Energy Regulator (AER) and Victoria’s Essential Services Commission (ESC) set benchmark prices known as the Default Market Offer (DMO) and Victorian Default Offer (VDO), respectively. These serve as a safety net for customers on standing offers and a reference point for comparing market offers.
For 2026-27, the outcomes were mixed across the National Electricity Market (NEM):
| State/Region | Customer Type | Tariff Type | Change from 1 July 2026 | Annual Impact (approx.) |
|---|---|---|---|---|
| New South Wales | Residential | Flat Rate | -3.4% to -5.0% | -$66 to -$137 |
| Residential | Time-of-Use | -3.7% to -7.7% | -$72 to -$211 | |
| Small Business | Flat Rate/ToU | -9.0% to -20.9% | -$432 to -$1,303 | |
| South East Queensland | Residential | Flat Rate | -7.2% | -$155 |
| Residential | Time-of-Use | -10.7% | -$229 | |
| Small Business | Flat Rate/ToU | -10.4% to -14.0% | -$445 to -$601 | |
| South Australia | Residential | Flat Rate | +1.4% | +$33 |
| Residential | Time-of-Use | -1.1% | -$25 | |
| Small Business | Flat Rate/ToU | -6.8% to -12.1% | -$379 to -$673 | |
| Victoria | Residential | Average (all zones) | -5.0% | -$84 |
| Small Business | Average (all zones) | -6.0% | -$241 |
Source: AER DMO 2026-27 Final Determination, ESC VDO 2026-27 Final Decision
As the table shows, most regions saw reductions in benchmark electricity prices from 1 July 2026. South Australia was the notable exception for residential flat-rate customers, experiencing a modest 1.4% increase.
Why Wholesale Prices Fell (and Network Charges Rose)
The primary driver for the overall fall in DMO and VDO prices for 2026-27 was a significant drop in wholesale electricity costs. The Australian Energy Market Operator (AEMO) reported that average wholesale prices in the NEM plunged by nearly 50% in the June quarter 2026. This was largely due to:
“A surge in renewable energy output to new seasonal highs, a slump in coal output and the lowest amount of gas generation for 23 years. The shape of the grid and the falling prices were also helped by a significant lift in battery storage, both at grid scale but also in households, as the number of home batteries continued to surge courtesy of the federal government rebate.”
Increased wind and battery generation, coupled with reduced reliance on expensive gas and hydro, led to lower electricity futures prices and reduced spot market volatility.
However, this positive trend in wholesale costs was partially offset by rising network charges across most of the NEM. Network costs, which cover the transmission and distribution infrastructure, typically account for 39% to 54% of a household’s total DMO bill. For 2026-27, the Australian Energy Regulator (AER) approved increases in network charges for most distributors:
- NSW: Ausgrid up approximately 10%, Endeavour Energy up approximately 11%.
- SE QLD: Energex up approximately 12%.
- SA: SA Power Networks up approximately 10%.
- Victoria: AusNet Services was an exception, with network costs down approximately 9%.
These rising network costs, driven by factors such as investment in new infrastructure, increasing transmission costs, and inflation, directly impact your daily supply charge. In Western Australia, which is outside the NEM, the daily supply charge specifically rose by 2.75% from July 2026.
What You Can Do About Your Electricity Bill
Even with benchmark prices generally falling, it’s crucial to be proactive about your energy costs. The DMO and VDO are safety nets, not necessarily the cheapest offers available.
- Compare Retailer Offers: This is the single most effective step. Retailers often offer more competitive ‘market offers’ that are below the DMO/VDO. Use independent comparison websites like the AER’s Energy Made Easy or Victoria’s Victorian Energy Compare to find the best deal for your usage patterns. For a deeper dive, read our guide on Choosing Your Australian Energy Provider in 2026: A Definitive Guide.
- Understand Your Tariff: If you have a smart meter, consider time-of-use tariffs that offer cheaper rates during off-peak periods. Shifting energy-intensive activities like laundry or dishwashing to these times can save you money. The AER has also introduced a ‘Solar Sharer Offer’ in DMO regions, providing three hours of free daytime electricity (11 am-2 pm in NSW/SE QLD, 12 pm-3 pm in SA) under regulated conditions.
- Invest in Energy Efficiency: Reducing your overall consumption is always beneficial. Consider upgrades like insulation, draught-proofing, and efficient appliances. You might be eligible for state-based rebates; see our guide Unlock $1,500+ Winter Savings: Your 2026 Australian Insulation & Draught Proofing Rebate Guide.
- Consider Solar and Batteries: While the daily supply charge remains, generating your own power significantly reduces your reliance on grid electricity. Look into federal and state rebates for solar and batteries. For example, NSW offers zero-interest loans up to $15,000 and discounts up to $4,000 for energy-saving upgrades. Explore our guides on Best Home Batteries in Australia 2026: Models, Costs & Up To $7,500 Rebates and Retrofitting Solar Batteries in Australia 2026: Your Guide to $4,200+ Rebates.
Current Australian Energy Bill Relief & Rebates (2026)
The universal federal Energy Bill Relief Fund, which provided up to $300 to households in 2024-25 and an additional $150 in the first half of 2025-26, concluded on 31 December 2025. There are no new universal federal rebates confirmed for 2026.
However, targeted state and territory programs continue for eligible concession card holders and low-income households:
- New South Wales:
- Home Energy Saver Program: Launched June 17, 2026, offering zero-interest loans of up to $15,000 for energy-saving upgrades (solar, batteries, insulation, heat pumps, reverse-cycle air conditioning, Level 2 EV chargers). Eligible households have a combined income of $210,000 or less.
- A separate $4,000 discount is expected to open later in 2026 for lower-income households (combined income under $80,000 or eligible concession card holders).
- Seniors Energy Rebate: $200 per year for self-funded retirees holding a Commonwealth Seniors Health Card.
- Other ongoing rebates include the Low Income Household Rebate, Family Energy Rebate, and Medical Energy Rebate.
- Queensland:
- Electricity Rebate: Eligible concession card holders can receive $399.47 per year (GST inclusive) or $0.9950 per day (excl. GST) from 1 July 2026.
- Reticulated Natural Gas Rebate: $96.45 per year (GST inclusive) or $0.2402 per day (excl. GST) from 1 July 2026 for eligible concession card holders.
- Solar for Renters Rebate: Landlords can claim up to $3,500 for installing solar systems on rental properties (tiered by system size).
- South Australia:
- Energy Concession: Eligible concession card holders can receive up to $291.27 per year (GST exclusive) or $0.798 per day from 1 July 2026.
- Federal Small-Scale Technology Certificate (STC) support for solar installations is also available.
- Victoria:
- The $100 Power Saving Bonus application period closed on 31 March 2026. However, other energy concessions for eligible cardholders remain active.
For a comprehensive overview of all available support, refer to our guide Australian Energy Rebates in 2026: Your State-by-State Guide After Federal Relief Ends.
Bottom Line
While lower wholesale electricity prices have driven down benchmark electricity costs in most of Australia from July 2026, rising network charges and daily supply charges are still impacting household bills, particularly in South Australia and Western Australia. Your July 2026 bill increase is most likely attributable to these fixed daily fees and underlying network infrastructure costs. Don’t assume your bill will automatically decrease if you’re on a market offer, and even if you’re on a standing offer, the DMO/VDO is a cap, not the cheapest rate. The most effective action you can take is to compare energy plans regularly using government comparison websites to ensure you’re on the most competitive market offer for your household’s usage. Additionally, explore state-specific rebates and energy efficiency upgrades to further reduce your overall energy expenditure.