How to Get a Green Loan for a Steel Business in Johannesburg

Published 2026-10-13.

Gauteng's metals economy is a chain of mills, foundries, fabricators, merchants and scrap processors. Some ship to Europe directly; many more sell to someone who does. Since 1 January 2026 that European trade carries a carbon cost, and the firms in the chain that can show lower emissions per tonne are the ones whose steel costs a European buyer less.

The question for a Johannesburg owner is practical: can green finance pay for the changes that lower that cost, and what does a lender need to see?

Where the cost lands

Under the EU's Carbon Border Adjustment Mechanism, the EU importer buys certificates for the embedded emissions in the steel, aluminium or other covered goods it brings in. The South African producer does not pay the EU directly. The importer does, and it prices that cost into what it will pay or whom it buys from. The charge phases in: as EU free allocation falls, the share of embedded emissions that is paid for rises from 2.5 percent in 2026 to 100 percent by 2034.

Two details matter for South Africa in particular, as reported by local law firms and business press in 2026:

For iron and steel, only direct emissions count for now. Electricity emissions are outside the calculation at present, and their future treatment is the main risk for producers on a coal-heavy grid.
South Africa's carbon tax can count. CBAM lets an importer deduct a carbon price effectively paid in the country of origin, but only when it is documented and verified. Werksmans reports that the EU will publish default carbon-price references for third countries from 2027.

Trade minister Parks Tau said in May 2026 that export competitiveness increasingly depends on carbon intensity, and that a steel value chain roadmap is being developed with industry and labour.

What green finance can pay for

The projects that lower embedded emissions per tonne are the ones a green lender understands: furnace and reheating efficiency, waste-heat recovery, fuel switching, more scrap in the charge, and on-site solar to cut grid exposure ahead of any change in the electricity rule.

The Industrial Development Corporation and Germany's KfW set up a Green Energy Efficiency Fund of R500 million, with loans of R1 million to R50 million at prime less 2 percent and terms of up to 15 years. Those were the launch terms. Ask the IDC whether the fund is still open and on what terms before you plan on it. Commercial banks also run green and sustainability-linked loans; their price depends on the bank's credit view and on the evidence you bring.

What the lender and the buyer both need

The same file answers both:

Emissions per tonne, by product and route, built from fuel, electricity and raw-material records for each installation.
Carbon tax paid, with the returns that show it, if you want an importer to claim the deduction.
A before-and-after plan for the project being financed, with the metering that will prove the result.

Default values are the fallback when a producer cannot supply actual data, and for steel they carry a mark-up of 10 percent in 2026, 20 percent in 2027 and 30 percent from 2028. Actual, verified data is usually the cheaper answer for your buyer. Work out the cost with the CBAM calculator, which lets you pick the country of origin and enter a carbon price paid, and see CBAM default values versus actual emissions.

Senseible turns fuel, electricity and purchase invoices into emission records linked to their source documents, the evidence both an EU importer and a lender can check. Confirm eligibility and terms with the lender before you apply.