South Australians can reduce the upfront cost of eligible solar and battery systems through a combination of federal incentives and selected local programs. In 2026, the main support includes the Small-scale Renewable Energy Scheme (SRES), Small-scale Technology Certificates (STCs), and the Cheaper Home Batteries Program for eligible battery installations.

South Australia Solar Rebates can help lower installation costs, but the amount available depends on the system type, size, location and eligibility requirements. Some properties may also qualify for local council incentives, while feed-in tariffs can provide ongoing value for surplus solar exported to the grid.

This guide explains the main solar and battery incentives available in South Australia in 2026, how they work, who may qualify and what to check before choosing a system.

Available South Australia Solar Rebates

Here’s a quick overview of the main South Australia Solar Rebates, battery incentives, feed-in tariffs and energy support. Some programs are federal, while others are limited to eligible properties within the City of Adelaide.

Program	Type	Details	Maximum Amounts
Small-scale Renewable Energy Scheme (SRES) / STCs	Solar Rebate	Federal rebate reduces the upfront cost of solar. Amount based on system size, location & STC market price.	~$400–$600 per kW (≈ $2,000–$3,000 for a 6.6 kW system)
Cheaper Home Batteries Program	Battery Rebate	Federal battery rebate for eligible home batteries paired with solar, based on usable kWh.	$336 per usable kWh (≈ $3,360 for 10 kWh battery)
City of Adelaide Solar PV Rebate	Local Council Rebate	Rebate for new approved solar systems within the Adelaide Council area.	Up to $1,000 (1.5–10 kW) Up to $2,500 (10–20 kW) Up to $5,000 (20 kW+)
City of Adelaide Battery Rebate	Local Council Rebate	Additional financial support for the installation of eligible home battery systems.	Up to $2,000
Feed-in Tariffs (FiTs)	Export Incentive	Payment for exporting surplus solar energy to the grid varies by retailer.	3–8 cents per kWh (some offer 10–12 cents per kWh)
SA Energy Bill Concessions	Concession Rebate	Electricity bill assistance for eligible concession card holders.	~$275 per year

Example Savings – 6.6 kW Solar System in SA

Metric / Scenario	Assumption / Details	Value / Estimate
Up-front system cost (before rebates)	Typical installed cost for a 6.6 kW solar system	~ AUD 5,510
Federal rebate (via STCs)	6.6 kW system, zone/conditions for SA	~ – AUD 2,000 (approx)
Local rebate (if eligible — e.g. council / local incentive)	Example for an eligible Adelaide household	~ – AUD 1,000
Net out-of-pocket cost after rebates	Installed cost minus rebates	~ AUD 2,510
Estimated annual electricity savings	Based on typical usage, self-consumption & export	~ AUD 1,622 per year
Estimated payback period (break-even)	Net cost ÷ annual savings	~ 1.5 years

Example Savings – Solar Battery Rebates

Battery Usable Capacity	Estimated Rebate Amount	Notes / What It Means
5 kWh	$1,360	Small battery — useful for minimal storage needs or supplementing solar.
10 kWh	$2,720	Standard residential battery size — rebate significantly lowers the up-front cost.
13.5 kWh	$3,672	Popular size for larger households — rebate gives a substantial discount.
20 kWh	$4,787	Suitable for high-consumption homes — the rebate covers a large portion of the battery cost.
30 kWh	$6,174	Larger battery storage: A rebate significantly reduces the investment required.
50 kWh (maximum eligible)	$6,990	Maximum rebate allowed — ideal for huge homes or high-energy uses.

Federal Solar Rebates: Small-scale Renewable Energy Scheme (SRES)

The main federal solar power rebate available in South Australia is delivered through the Small-scale Renewable Energy Scheme (SRES). Eligible rooftop solar systems create Small-scale Technology Certificates (STCs), which have a tradeable value and can reduce the upfront cost of installation.

The number of STCs depends on the system size, postcode and installation year. For solar PV installed in 2026, the deeming period is five years.

To qualify under the current SRES rules, a standard small-scale solar system must generally:

• have a capacity of no more than 100 kW
• use eligible panels and inverters from the relevant approved product lists
• be installed by an appropriately SAA-accredited installer
• meet the applicable electrical, installation and SRES requirements

Most households do not create or trade STCs themselves. Instead, they assign the right to create the certificates to a registered agent, with the STC value commonly passed on as an upfront discount.

For official information, keep these existing links:

• Clean Energy Regulator – SRES
• Solar Accreditation Australia (SAA)

Federal Solar Battery Rebate in South Australia

Eligible South Australian households and businesses can also receive support for battery storage through the Australian Government’s Cheaper Home Batteries Program. The program operates through the SRES, with eligible batteries creating STCs that can reduce the upfront purchase and installation cost. For batteries installed between 1 May and 31 December 2026, the STC factor is 6.8. Support is tiered according to usable battery capacity:

• up to 14 kWh — 100% of the STC factor
• above 14 kWh and up to 28 kWh — 60%
• above 28 kWh and up to 50 kWh — 15%

An eligible battery system must generally have a nominal capacity between 5 kWh and 100 kWh, although STCs can only be claimed on the first 50 kWh of usable capacity. It must be installed with a new or existing solar PV system of no more than 100 kW, use an approved battery configuration and be installed by an SAA-accredited installer with battery endorsement. Grid-connected batteries must also be VPP-capable, although joining a VPP is optional.

The battery rebate estimates shown earlier in this guide should be treated as indicative, as the final STC value depends on eligible usable capacity, installation date and certificate value. For a full breakdown of the current rules and calculations, see our Federal Solar Battery Rebate Australia 2026 guide

Solar Feed-in Tariffs in South Australia

South Australia does not set a minimum retailer feed-in tariff. Electricity retailers determine their own rates and conditions for surplus solar electricity exported to the grid, so the amount you receive can vary between plans. A higher feed-in tariff does not necessarily mean a better electricity deal. When comparing plans, consider the export rate alongside usage charges, daily supply charges and other plan conditions.

Eligibility & Key Details:

• No minimum retailer rate: Retailers set their own feed-in tariff rates and policies.
• Import/export meter: Your solar system must be connected through an import/export meter so exported electricity can be measured.
• Retailer conditions vary: Export rates, limits and eligibility conditions can differ between electricity plans.
• Flexible Exports: Most new or upgraded exporting solar systems must support dynamic export capability. Flexible Exports can allow compatible systems to export up to 10 kW per phase, depending on network capacity, inverter capacity and internet connectivity.

Flexible Exports

SA Power Networks introduced Dynamic Export Requirements from 1 July 2023. Flexible Exports is now available to new and upgrading solar customers across South Australia as an alternative to a lower fixed export limit.

Under Flexible Exports, the export limit automatically adjusts according to available network capacity. It can vary from a lower limit of 0 or 1.5 kW per phase up to 10 kW per phase, depending on the property’s network location and system capability.

For current electricity offers, use the Australian Government’s official comparison service:

• Official Comparison Tool: Energy Made Easy

City of Adelaide Solar and Battery Incentives

The City of Adelaide offers additional sustainability incentives for eligible residents, businesses and community organisations. These are local council incentives, not statewide SA Government solar rebates.

Eligible solar PV projects can receive:

• 20% up to $1,000 for systems from 1.5 kW to under 10 kW
• 20% up to $2,500 for systems from 10 kW to under 20 kW
• 20% up to $5,000 for systems of 20 kW or more

Eligibility is limited to specific applicant groups, including some tenants, concession card holders, strata/community properties and not-for-profit organisations. Eligible battery projects can receive 50% of costs up to $1,000, mainly for qualifying businesses, commercial properties and community organisations. The 2026/27 Sustainability Incentives Scheme is open until 30 June 2027, subject to funding and eligibility.

For current requirements, visit the City of Adelaide Sustainability Incentives Scheme.

For local installation advice, speak with an Aussie Solar Tech solar installer in Adelaide.

 

How to Claim South Australia Solar Rebates

The process depends on whether you are accessing federal solar STCs, battery support or a local council incentive. Checking the requirements before accepting a quote can help avoid eligibility or installation issues later.

1. Check which incentive applies. Federal STCs are available for eligible solar PV and battery systems, while council incentives have their own location and applicant requirements.
2. Confirm product eligibility. Make sure the panels, inverter or battery meet the relevant approved-product requirements.
3. Choose an appropriately accredited installer. Solar PV and battery installations must meet the applicable SAA accreditation and technical requirements.
4. Review the STC discount on your quote. If the STCs are being assigned to a retailer or registered agent, the quote should clearly show how their value has been applied.
5. Check battery requirements separately. Battery STCs have different capacity, product, installation and VPP requirements from solar PV.
6. Check local incentives before applying. City of Adelaide incentives have their own eligibility rules and supporting-document requirements.
7. Confirm your export arrangement. New or upgraded solar installations in South Australia should meet the relevant Dynamic Export and network connection requirements.
8. Keep your documentation. Retain invoices, compliance certificates and STC or rebate records after the installation.

Government incentives can lower the upfront cost, but they should not be treated as making a solar or battery system automatically “free”. Final costs still depend on the system, property and installation requirements.

FAQs about South Australia Solar Rebates

What is the main solar rebate available in South Australia?

For most households, the main federal solar power rebate comes through the Small-scale Renewable Energy Scheme (SRES). Eligible rooftop solar systems generate STCs, which can be assigned or traded to reduce the upfront installation cost.

Is there an SA Government solar rebate in 2026?

There is currently no broad SA Government solar rebate available to every household installing rooftop solar. The former South Australian Home Battery Scheme has closed, so most customers now rely on federal STCs and any eligible local council incentives.

Is there a solar battery rebate in SA?

Yes. Eligible batteries can receive support through the federal Cheaper Home Batteries Program. Current SRES eligibility covers battery systems with 5–100 kWh nominal capacity, with STCs available for the first 50 kWh of eligible usable capacity.

Can I receive both solar and battery rebates?

Yes, provided the solar PV system and battery each meet their relevant SRES requirements. Solar and battery STCs are calculated separately, so an eligible household may benefit from both federal government solar incentives.

Do I need to apply for STCs myself?

Usually not. Most customers assign their right to create STCs to a retailer or registered agent and receive the certificate value as an upfront discount. Eligible system owners can also choose to create and trade the STCs themselves.

Does adding a battery affect my solar feed-in tariff in SA?

For most customers, adding a battery does not automatically remove a retailer solar feed-in tariff in SA. However, storing more excess solar at home may reduce the amount exported to the grid. Customers still receiving the legacy 44c/kWh distributor feed-in tariff should be careful, as installing battery storage ends eligibility for that distributor tariff.

Final Thoughts on South Australia Solar Rebates

The available South Australia Solar Rebates can reduce the upfront cost of an eligible solar or battery installation, but the rebate amount should not be the only factor when choosing a system. Your electricity use, system size, equipment quality, installation requirements and export arrangements all affect the long-term value.

Aussie Solar Tech can help assess your property, recommend a suitable solar or battery system and explain which federal or local incentives may apply. A personalized quote should clearly show the system cost, applicable STC discount and any additional installation requirements.