Solar System Tax Incentives South Africa: Section 12B and VAT Explained

The solar tax incentives South Africa introduced in 2023 are among the most generous in the world. South Africa introduced one of the most generous solar tax incentive packages — both for individuals via the Section 6C rebate and for businesses via Section 12B accelerated depreciation. If you installed solar in 2023 or 2024, or plan to in 2025, here is exactly what you can claim and how to do it.

Solar Tax Incentives South Africa: The Individual Solar Panel Tax Rebate

The Section 6C solar tax rebate was introduced in the 2023 National Budget to accelerate residential solar adoption during South Africa’s load shedding crisis. It allows individual taxpayers who install solar panels to claim 25% of the cost of new and unused solar panels directly against their personal income tax liability — subject to a maximum rebate of R15,000 per taxpayer.

Key Details of the Individual Rebate

• Rebate amount: 25% of the cost of new, unused solar panels
• Maximum rebate: R15,000 per individual taxpayer
• Qualifying items: Solar PV panels only — not batteries, inverters, racking, or installation labour
• Panel wattage requirement: Panels must have a minimum capacity of 275W per panel
• First use: Panels must not have been used before — no second-hand or reconditioned panels qualify
• Installation requirement: Panels must be installed at a South African residential property used by the taxpayer
• Proof required: Tax invoice from a registered South African supplier, proof of payment, and a certificate of compliance (CoC) or technical installation certificate

To maximise the R15,000 rebate, you need to spend at least R60,000 on qualifying solar panels (25% of R60,000 = R15,000). A typical residential solar installation in South Africa uses 10–16 panels at 550W–615W, which at current market prices comfortably exceeds this threshold. The rebate is applied directly against your tax liability — it reduces what you owe SARS, not your taxable income.

Solar Tax Incentives South Africa: Section 12B Accelerated Depreciation for Businesses

South African businesses have access to the Section 12B accelerated capital allowance for qualifying renewable energy assets. This allowance lets businesses claim the full cost of solar generation equipment in the year of installation as a tax deduction — a 100% write-off in year one.

Who Qualifies for Section 12B?

• Companies, close corporations, and sole proprietors registered for income tax in South Africa
• Assets must be used in the production of income
• Assets must be new and unused
• Equipment must be solar PV panels, wind turbines, battery storage systems, inverters, or other qualifying generation assets
• No minimum capacity requirement for businesses — all qualifying renewable energy assets qualify

Section 12B is one of the most powerful business solar incentives available. A business that spends R500,000 on a commercial solar installation can claim a R500,000 deduction in year one, effectively reducing its corporate tax liability by R140,000 (at the 28% corporate tax rate). This transforms the payback period for commercial solar dramatically. The Premium 10kW Solar Kit and the Mid-Range 8kW Solar Kit are well-suited for small business installations seeking Section 12B benefits.

VAT Zero-Rating on Solar Panels

Solar panels above 275W are zero-rated for VAT purposes in South Africa. This means qualifying solar panels are subject to 0% VAT rather than the standard 15% rate — a direct saving of 15% on the panel purchase price. The zero-rating applies to the solar panels themselves, not to the full solar system (batteries and inverters are still subject to standard 15% VAT).

The solar tax incentives South Africa government offers can significantly reduce your total installation cost. The VAT zero-rating means you should confirm with your supplier that VAT is correctly charged at 0% on qualifying panels. A registered VAT vendor selling solar panels above 275W should not charge 15% VAT on those panels. If you are a VAT-registered business, this is also relevant to your input VAT calculations. For official guidance, see SARS and the National Treasury.

How to Claim the Solar Tax Rebate (Step-by-Step)

1. Purchase and install qualifying solar panels — buy new, unused solar panels of 275W or more from a registered South African supplier. Retain the tax invoice showing itemised panel costs.
2. Complete your solar installation — the installation must be completed at your South African residential property. Your installer should provide a Certificate of Compliance (CoC) issued by a registered electrician.
3. Gather your documentation — you need: the tax invoice (must show panel make, model, wattage, quantity, and rand value); proof of payment; and the Certificate of Compliance or installation certificate.
4. Submit your income tax return — the solar rebate is claimed on your Individual Income Tax Return (ITR12) for the tax year in which installation was completed. In SARS eFiling, look for the renewable energy rebate section (Section 6C).
5. Include supporting documents — SARS may request supporting documentation. Keep originals of all invoices, proof of payment, and the CoC on file for at least five years.
6. Receive your rebate — the rebate reduces your income tax liability for the year. If your total tax liability for the year is less than the rebate amount, the unused portion is not refunded — it is forfeited. Time your installation to ensure you have sufficient tax liability in that assessment year.

Browse the full solar panel range or explore complete solar kits from PowerVault ZA.

What Does NOT Qualify for the Individual Rebate

• Solar inverters (hybrid or grid-tied)
• Lithium or lead-acid batteries
• Racking and mounting hardware
• Cabling and electrical components
• Installation labour and electrician fees
• Generator sets or UPS systems
• Solar water heaters or geysers
• Second-hand, used, or refurbished panels
• Panels below 275W capacity

Frequently Asked Questions

How much can I save on tax with solar panels in South Africa?

Individual taxpayers can save up to R15,000 in income tax through the Section 6C solar rebate — claimed at 25% of qualifying solar panel costs. This means a minimum qualifying spend of R60,000 on panels is needed to reach the full R15,000 rebate. Businesses claiming Section 12B can save substantially more: a business spending R500,000 on a solar installation can reduce its tax liability by up to R140,000 in year one (at 28% corporate tax rate).

Does the solar tax rebate apply to batteries and inverters?

No. The individual Section 6C rebate applies only to solar PV panels of 275W or more. Batteries, inverters, racking, cabling, and installation costs do not qualify for the individual rebate. However, businesses can claim 100% depreciation under Section 12B on the full qualifying system — including inverters and batteries — in the year of installation.

Is the solar tax incentive still available in 2025?

Yes, the solar tax incentives remain available for the 2025 tax year. The Section 6C individual rebate, the Section 12B business allowance, and the VAT zero-rating on solar panels above 275W are all in effect. SARS has confirmed the continued availability of these incentives. It is advisable to confirm with a registered tax practitioner or check the SARS website for the most current qualifying criteria before filing.

Can I claim the solar rebate if I rent my home?

No. The Section 6C individual solar rebate requires that you own the solar panels installed and that they are installed at a residential property used by you. If you are a tenant and do not own the solar installation, you cannot claim the rebate. The rebate is available to the taxpayer who owns and paid for the panels. A landlord who installs solar at a rental property may qualify under different tax provisions, such as Section 11 or Section 12B, depending on the nature of the rental income.

Do I need a registered electrician to claim the solar tax rebate?

Yes. SARS requires a Certificate of Compliance (CoC) as supporting documentation for the solar rebate claim. A CoC is issued by a registered electrical contractor after a certified inspection of the installed system. Only installations completed by registered electricians meet this requirement. Ensure your solar installer or the electrical contractor responsible for the final connection and compliance check is registered with the relevant provincial authority and can provide a valid CoC. Use your solar tax incentives South Africa savings to invest in quality equipment. Browse our solar panels, hybrid inverters and complete solar kits at PowerVault ZA.