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WA battery rebate eligibility
Your battery only gets WA's state rebate if its inverter is on Synergy's Supported Solutions List (SSL). Check the exact model before you buy.
What an SSL-listed battery system can get you in WA.
Not on the list? You miss the WA rebate, VPP and loan. The federal STC discount (about 30%) still applies.
Brand approval is not enough. The exact model number must be on the list. GoodWe ESA vs SigenStor walks through that check for two listed systems.
Rebate eligibility depends on pairing your battery with an SSL-approved inverter. Look up the battery, then check its inverter against Synergy's list.
Open the battery librarySynergy publishes the SSL as a download. Search “Supported Solutions List” on its website. It is updated as new products are approved. Our brand guide explains what the Provisional column and the green tick mean for your quote.
synergy.net.auYour SAA-accredited installer should confirm your exact battery and inverter pairing is eligible, as part of your quote. Reputable installers raise this for WA customers without being asked.
The SSL covers the equipment. A second requirement covers who installs it.
An installer who can evidence compliant installs protects your rebate and export credits. Confirm in writing that your installer is a registered equipment retailer before you commit.
WA's new connection rules for solar and batteries: AC-coupled batteries in WA guide
A battery that is not on the SSL loses access to several thousand dollars in WA benefits.
| Benefit | Worth | Conditions |
|---|---|---|
| WA Battery Rebate | Up to $1,300 | $130 per kWh of usable capacity, capped at 10 kWh. Taken off your price by the installer. SSL products only. |
| Battery Rewards VPP | $30–$90 a year | Activation credits (70c per kWh) when Synergy uses your battery at peak times, typically 6–12 times a year. Modelled for a 10–15 kWh battery. SSL registration required. |
| Interest-free loan | Up to $10,000 | Household income under $210,000. Repay over up to 10 years. Needs an SSL system and Battery Rewards membership. |
| DEBSDistributed Energy Buyback Scheme | Peak export bonus | Higher payments for battery exports from 3pm–9pm. SSL systems can be set up for maximum DEBS earnings. |
| Federal STCsApplies with or without SSL | about 30% off | Small-scale Technology Certificates. An Australia-wide discount that does not depend on SSL status. |
41brands161series2,010inverter and battery models
| Brand | Series | Models | Rebate scheme* | Series on the list |
|---|---|---|---|---|
| Sungrow | 4 | 27 | 3 of 4 | RESIDENTIAL HYBRID, RESIDENTIAL, RT, CX |
| Fronius | 13 | 87 | 13 of 13 | SYMO GEN24 PLUS SC, PRIMO GEN24 PLUS, FRONIUS SYMO ADVANCED, SYMO GEN24 PLUS, and 9 more |
| GoodWe | 21 | 104 | 9 of 21 | GEH, ESA, EH PLUS, ET, and 17 more |
| Growatt | 7 | 40 | 6 of 7 | SPH 3000-6000 TL-HUB, SPM, MOD, MIN TL-XH2, and 3 more |
| Alpha ESS | 7 | 30 | 7 of 7 | SMILE, SMILE-M5, SMILE-G3, SMILE SERIES, and 3 more |
| FoxESS | 11 | 69 | 9 of 11 | G SERIES, H3-PRO, 1K5-HI-V1, H1-G2, and 7 more |
| SolarEdge | 2 | 24 | 2 of 2 | THREE PHASE INVERTER, SINGLE PHASE INVERTER |
| SolaX Power | 14 | 76 | 14 of 14 | X1-SMART G2, X3-MIC G2, X3-PRO G2, X3-AELIO, and 9 more |
| Sigenergy | 3 | 918 | 3 of 3 | SIGEN HYBRID INVERTER, SIGEN ENERGY STORAGE SYSTEM, SIGEN ENERGY CONTROLLER |
* Series marked for the WA Residential Battery Scheme in Synergy's July 2026 list. All counts and series names come straight from that list. Some brands list each battery stack size as a separate model, which is why model counts vary so widely.
Some brands are listed under more than one company name, which is why Synergy's list counts 46 manufacturers.
Well-known brands and where they stand on Synergy's July 2026 list.
| Brand | On the SSL? | WA rebate, VPP, loan | Federal STCs |
|---|---|---|---|
| TeslaPowerwall 3 | Listed, 2 series | Tesla Powerwall 3 is not eligible for the WA Battery Scheme, Synergy Battery Rewards or the interest-free loan. Tesla runs its own VPP, which is not state-backed. | Yes |
| BYDHVS and HVM series | Battery only, not listed | The list covers inverters, so this depends on the pairing. Paired with a listed, rebate-scheme inverter it can qualify. Check the exact pairing. Widely installed across Australia. | Yes |
| EnphaseIQ Battery | Not listed | Its battery includes its own inverter, which is not on the list, so it does not qualify. Uses microinverter-based AC coupling; more common in the eastern states. | Yes |
What this means for you: products listed before 1 May 2026 stay eligible. For anything newer, look for CSIP-AUS compliance in the spec sheet.
| Topic | DC-coupled | AC-coupled |
|---|---|---|
| How it's listed | Hybrid inverter and battery as one system | The battery's own inverter must be listed |
| On the SSL | Most common setup | Fewer approved combinations |
| Efficiency | about 95% round trip | Not compared here |
| Best for | Simpler SSL compliance | Adding a battery to existing solar |
Pair the state rebate with these programs and settings.
$4,000–$4,800off upfront
Federal STCs plus the $1,300 WA rebate, on a 10–13 kWh system. WA rebate guide
$30–$90a year, 10–15 kWh battery
Required for the rebate, and it pays activation credits each time your battery is used. How dispatch events and earnings work
3pm–9pmpeak window
Set your battery to discharge when DEBS export rates are highest, so every stored kWh earns more.
Too big wastes money. Too small leaves savings behind. Model your usage in the savings calculator.
Up to $10,000income under $210,000
Spreads the upfront cost with no interest. Compare the repayments with your own savings estimate in the financing calculator.
Browse batteries in our library, or estimate your total savings including rebates, VPP earnings and bill reductions.
A register of inverters and battery systems approved for WA energy programs. Only listed products qualify for the WA battery rebate ($130/kWh, up to $1,300), Synergy Battery Rewards VPP, and interest-free loans up to $10,000.
Tesla Powerwall 3 is not eligible for the WA Battery Scheme, Synergy Battery Rewards or the interest-free loan. Powerwall 3 with Backup Gateway 2 appears on Synergy's July 2026 list for solar export only, not as an approved battery. Federal STC rebates (about 30% off) still apply.
As of July 2026: 41 brands (listed under 46 company names), 161 product series and 2,010 individual battery and inverter models. The list is updated as new products are tested and approved.
Yes. The federal STC rebate is separate from WA's programs and does not depend on SSL status. You will miss the $1,300 WA rebate, VPP earnings and the interest-free loan.
CSIP-AUS (Common Smart Inverter Profile, Australia) is a communication standard that lets energy providers coordinate with home batteries during grid events. Since May 2026, new SSL submissions must comply, so batteries can take part in VPP programs and grid stabilisation.
Two ways: check the current SSL document on Synergy's website (it lists approved inverters, not batteries), or ask your SAA-accredited installer to confirm your battery and inverter pairing before you buy.
Some are, with extra requirements. The battery's built-in inverter must be listed separately, and the system must meet Synergy's communication and control rules. DC-coupled systems with a listed hybrid inverter are usually simpler.
If it was on the SSL when bought and installed, your rebate and VPP eligibility are generally kept. Synergy does not take back benefits from systems that were compliant at install. Firmware updates may be needed to stay in the VPP.
Get a quote from an installer from our network that covers your area. You choose whether to act on it. No obligation.
AS/NZS 5139 clearance rules, garage vs outdoor walls, and what installers check on-site.
A step-by-step method covering evening usage and seasonal AC demand.
Activation events credit 70¢/kWh on top of DEBS exports, and signing up is a WA rebate condition.
Answer a few questions and see systems and installers that fit your home.