South African platinum supply is tightening as operational headwinds persist. The country produces approximately 4.1 million ounces of platinum annually, accounting for two-thirds of global mine supply. In 2026, output is tracking 3-4% below 2025 levels due to a combination of power shortages, cost inflation, and labor constraints.
Eskom, the state-owned power utility, continues to struggle with generation capacity. Plant availability has dropped to approximately 65% of installed capacity, down from 70% in 2025. Stage 3 and Stage 4 load-shedding remain common, forcing PGM mines to either idle shafts during power cuts or run expensive diesel generators. The cost of electricity for mining operations is up 12% year-over-year.
Anglo American Platinum's 2026 production guidance remains at approximately 1.1 million ounces, in line with 2025. However, the company has flagged risks from power availability in its quarterly reporting. Impala Platinum and Sibanye-Stillwater have reported similar constraints, with Sibanye noting that milling volumes at its Rustenburg operations were down 2% in Q1 due to power interruptions.
Labor costs are rising. The three-year wage agreement signed with the Association of Mineworkers and Construction Union (AMCU), which covers the majority of PGM workers, expires in mid-2027. Negotiations for the next cycle are expected to begin in Q4 2026, and initial union demands signal a push for double-digit increases. Labor accounts for 45-50% of operating costs at South African PGM mines.
On the positive side, the weaker South African rand provides a natural hedge for producers. The ZAR has depreciated 11% against the US dollar in 2026, meaning dollar platinum prices near $1,580/oz translate to rand prices above ZAR 1.1 million/kg — a level where most South African mines remain profitable. This keeps production flowing despite operational challenges.
Above-ground platinum stocks, as measured by the WPIC, have declined to approximately 2.3 million ounces, equivalent to about 3.5 months of global demand. Inventory destocking has been underway since 2024, with visible stocks declining by 400,000 oz over the past 12 months. The inventory buffer is thinning.
South African supply risk is a recurring factor, not a new one. What's changed is that the inventory buffer is lower than it was in 2024-2025. If you consume platinum in significant volumes, consider 3-month forward contracts rather than spot purchases. The Eskom situation typically worsens during the Southern Hemisphere winter (June-August), so supply disruption risk is currently at a seasonal peak.