WA Electricity Prices Rise as $400 Credit Ends
Western Australian households face higher electricity costs from July 1, 2025, as Synergy tariffs increase and the government electricity credit is removed. Here's what it means for your power bill.
Key Changes from July 1, 2025
- Home Plan (A1) electricity charge: 31.58c → 32.37c per kWh (+2.5%)
- Daily supply charge: $1.13 → $1.16 per day (+2.6%)
- $400 electricity credit removed for all households
- Similar increases across all Synergy tariffs
Understanding the Price Changes
The State Government approved price changes to Synergy's regulated electricity tariffs effective July 1, 2025. These annual adjustments reflect the increasing costs of generating and transporting electricity, as well as maintaining Western Australia's electricity network.
For the standard Home Plan (A1) tariff used by most Perth households, the electricity charge increased from 31.5823 cents per unit to 32.3719 cents per unit. The daily supply charge also rose from 113.22 cents to 116.05 cents. While these percentage increases appear modest, the removal of the $400 electricity credit significantly amplifies the impact on household budgets.
The Real Cost Impact
To understand the true impact, consider a typical Perth household using 20 kWh per day:
The combined effect of the tariff increase and credit removal means this household will pay approximately $466 more per year - a 20% increase in their effective electricity costs.
How Battery Storage Can Help
Rising electricity prices make battery storage increasingly attractive as a cost management strategy. A properly sized battery system can significantly reduce grid electricity consumption by storing excess solar energy during the day and using it during evening peak periods when electricity is most expensive.
Example Savings Scenario
Consider the same household with a 10 kWh battery and existing solar system:
- Without battery: Imports 15 kWh from grid daily at 32.37c = $4.86/day
- With battery: Imports 5 kWh from grid daily at 32.37c = $1.62/day
- Daily savings: $3.24
- Annual savings: $1,183
These savings don't include additional VPP earnings (Synergy Battery Rewards pays ~$100-180/year for 10-13kWh batteries) or the value of backup power during outages. With combined federal and state rebates reducing upfront costs by $4,000-$6,000, payback periods for battery systems in Perth are now typically 6-8 years.
Time-of-Use Tariffs Become More Attractive
The price increases also make Synergy's time-of-use tariffs like Midday Saver more attractive for households with batteries. These tariffs offer lower rates during off-peak periods, allowing battery owners to maximize savings by charging from the grid when electricity is cheapest and discharging during expensive peak periods.
Looking Ahead
Electricity prices in Western Australia are expected to continue rising as the state transitions to renewable energy and upgrades aging infrastructure. The removal of the $400 credit is permanent, making long-term energy cost management increasingly important for household budgets.
Battery storage offers a way to hedge against future price increases while taking advantage of current government incentives. With the WA Residential Battery Scheme and federal rebates available until at least 2030, Perth homeowners have a limited window to secure maximum financial support for battery installations.
Offset Rising Electricity Costs
Calculate how much you could save with battery storage and current rebates.
Sources: Synergy, Government of Western Australia, Australian Energy Regulator. Tariff information current as of July 1, 2025.
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