Nexa to Restart Cajamarquilla Casting Lines by Mid-June after 7,000t Zinc Disruption
NEXA•Nexa has resumed electrolysis at its Cajamarquilla zinc smelter in Peru, with one casting line producing bars and the other two lines set to restart by mid-June. The incident is projected to cut 2Q26 zinc output by 7,000 tonnes (2% of annual production), with volumes recovered later in 2026.
1. Smelter Resumption Timeline
Nexa has fully brought electrolysis lines online at Cajamarquilla, with one casting line producing zinc bars since the weekend. The second casting line is scheduled to restart within days, followed by the final line by mid-June.
2. Production Impact and Recovery
The May 13 incident is estimated to reduce 2Q26 zinc output by roughly 7,000 tonnes, representing about 2% of annual production. The company expects to recover these volumes during the second half of 2026.
3. Guidance and Outlook
Despite the disruption, Nexa has maintained its 2026 sales guidance and does not anticipate any material financial impact. The root cause of the incident remains under investigation and updates will be provided as available.
