Solar

Solar Tracker Steel Duties: What Rooftop Buyers Should Understand

A structural-steel trade dispute concerns a different part of the solar supply chain from rooftop modules.

Luke CoveLightning Energy18 September 2026 · 2 min read
Updated 21 September 2026
Solar Tracker Steel Duties: What Rooftop Buyers Should Understand

Australia’s hollow-steel anti-dumping decision concerns specified imported steel products. It should not be read as a blanket percentage increase on the price of rooftop solar panels or every residential installation.

The relevant distinction is between the goods covered by the customs decision and the components actually included in a solar quote.

What the official notice says

In its 23 June 2026 notice to importers, the Anti-Dumping Commission explains a ministerial decision made on 5 June. The amendment covers specified hollow structural sections from China, Korea, Malaysia and Taiwan, including sections modified with holes. It applies to covered goods entered for home consumption on or after 4 September 2025.

Importers affected by the amendment were required to amend declarations and pay interim duties. The notice also describes an assessment process. The applicable treatment depends on the goods and import circumstances; a single headline duty percentage is not a reliable description of every shipment.

Rooftop solar installation in Bentleigh East
Rooftop solar in Bentleigh East. Photo: Lightning Energy.

Why the distinction matters for solar

Large solar projects and household rooftop systems can have different mounting designs and component supply chains. A duty applying to a particular structural steel product is not automatically a duty on a photovoltaic module, inverter or battery.

If a supplier says the decision changes your quote, ask which component is affected and how the additional amount was calculated. A general news headline is not enough to establish the price change on your job.

Rooftop solar installation in Yarrambat
Rooftop solar in Yarrambat. Photo: Lightning Energy.

How to compare a revised quote

  • Request the exact panel, inverter and mounting products, with quantities.
  • Ask whether the revised price changes equipment, labour, access costs or another item.
  • Check the quote’s validity period and conditions for price changes.
  • Compare the total scope and warranty responsibilities, not only the final number.

For commercial projects, obtain project-specific advice from the supplier and the relevant import or customs specialist. A household blog cannot determine a shipment’s duty liability.

Contact Lightning Energy to discuss the options for your property and electricity use.

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