Can you switch electricity providers in Perth? The truth about WA's energy market

If you've moved to Perth from eastern Australia, the lack of electricity comparison websites for WA residential customers probably surprised you. There's a reason for that: in Perth, there are no alternative electricity retailers to compare.

Here's why, and what that means for your energy costs.

Why Perth can't switch electricity retailers

Western Australia's residential electricity market is not open to competition. Synergy is the sole electricity retailer for residential customers connected to the South West Interconnected System (SWIS) — the main grid covering Perth metro, the South West, and most of regional WA south of Geraldton.

This is a deliberate policy position, not an oversight. When eastern Australian states deregulated their electricity retail markets in the early 2000s, WA's state government chose not to open residential retail to competition. Only large commercial and industrial customers using more than 50 megawatt-hours per year can access the contestable (competitive) electricity market in WA.

For the roughly 1.1 million residential electricity accounts in the SWIS, Synergy is the only option.

Will WA ever open residential electricity to competition?

WA's Energy Policy WA has periodically reviewed retail market design, but as of 2026, there is no committed timeline to open residential electricity retail to competition. The state government's position is that any transition to retail competition would require careful management given WA's unique grid circumstances.

Comparison: households in Victoria, New South Wales, Queensland, South Australia, and the ACT can choose from multiple electricity retailers and switch through services like the government's Energy Made Easy website. No equivalent exists for Perth residential customers.

Gas is different: WA gas retail is competitive

This is where many Perth households are confused. Gas retail in WA IS competitive — multiple retailers compete for residential gas customers:

• Kleenheat (owned by Wesfarmers)
• Alinta Energy
• AGL
• Origin Energy
• ENGIE

Gas retailers in WA offer different rates, bill structures, and contract terms. If you're a gas customer, comparing gas retailers is genuinely worth doing — unlike electricity, you can save real money by switching.

WA's Energy Policy WA facilitates gas retail comparison through its resources. If you have gas and haven't compared retailers in the last 2 years, checking the current market is worthwhile.

What choices do Perth electricity customers actually have?

No retailer competition doesn't mean no choice at all. Synergy offers a range of tariff plans, and choosing the right one is the primary lever for reducing your electricity costs:

A1 Home Plan (flat rate): 33.26c/kWh from 1 July 2026. The default tariff — most households are here without having actively chosen it.

Midday Saver: Variable rate with super off-peak (8.85c/kWh, 9am–3pm), off-peak (24.34c/kWh, 9pm–9am), and peak (55.33c/kWh, 3pm–9pm). Cheaper than A1 for households who use less than 28.8% of their power between 3pm and 9pm.

EV Add-On: Adds an overnight discounted rate (19.92c/kWh, 11pm–7am) for a dedicated EV charging circuit. Available in addition to A1 or Midday Saver.

Switching between Synergy tariff plans is free, with no lock-in contract. It's not as satisfying as leaving for a competitor, but the financial impact of being on the right tariff can be $200–600/year for a typical household — comparable to switching energy retailers in competitive markets.

Solar and batteries: Perth's "alternative energy supply"

Because Perth can't access energy market competition, households looking to reduce their electricity dependence on Synergy have a different lever: generating their own electricity.

A 6.6kW solar system in Perth generates roughly 12,000 kWh per year. A household using 6,000 kWh per year self-consumes about half of that, effectively sourcing half their electricity at zero marginal cost rather than Synergy's 33.26c/kWh.

Adding a battery extends that self-consumption further — reducing the household's dependence on Synergy's grid electricity to a smaller daily import quantity.

This isn't "switching providers" — but for many Perth households, solar + battery achieves a more significant reduction in electricity spend than retailer switching does in eastern states.

The DEBS export tariff is set by the state, not Synergy

Under the Distributed Energy Buyback Scheme (DEBS), solar households receive export credits of 10c/kWh (peak, 3pm–9pm) and 2c/kWh (off-peak). These rates are set by the WA state government through the Economic Regulation Authority, not by Synergy's commercial pricing.

What about embedded networks?

Some residential properties in WA (typically apartments and retirement villages) are connected through an embedded network — where a third party (the network operator) manages electricity distribution within the development. Residents in embedded networks pay the embedded network operator's rates, which can differ from Synergy's.

If you're in an embedded network, you're technically not a Synergy retail customer — you're a customer of the embedded network operator. Your rates and dispute resolution process are different. Check your electricity bill carefully: if the retailer shown isn't "Synergy" and the bill format looks different from a standard Synergy bill, you're likely on an embedded network.

Embedded network customers in WA have some protections, but less than standard retail customers. If you believe you're being overcharged, the Economic Regulation Authority and the Energy and Water Ombudsman WA (EWON) handle complaints.

What to do if you want to reduce your energy bill in Perth

Since retailer switching isn't available, the alternatives are:

1. Switch Synergy tariff — if you're on A1, check if Midday Saver saves you money. BillWise analyses your bill and calculates which tariff costs less for your specific usage pattern.

2. Investigate solar — the most impactful way to reduce long-term energy spend. See our solar ROI comparison for Perth-specific payback numbers.

3. Switch gas retailers — if you still have gas, comparing retailers every 1–2 years is worth the 15-minute call.

4. Access concessions — if you're eligible, the WA Hardship Utility Grant Scheme, Energy Assistance Payment, and other programs reduce your bill regardless of retailer. See our WA energy concessions guide for details.

5. Raise efficiency — heat pump hot water, LED lighting, efficient appliances, and insulation reduce consumption regardless of who supplies your electricity.

The electricity retail market structure in WA is governed by the Electricity Industry Act 2004 and regulated by the Economic Regulation Authority. Information current as of 2026. Retail market policy can change — monitor Energy Policy WA for updates.