ABB automates Aitik tailings dam expansion

ABB automates Aitik tailings dam expansion

ABB has expanded electrification and automation at Aitik mine. The upgrade supports Boliden’s tailings dam expansion at Sweden’s largest open-pit copper mine, using modular e-houses, switchgear, drives, and ABB Ability System 800xA to improve monitoring, safety, and uptime.


ABB has delivered an expanded electrification and automation package at Boliden’s Aitik copper mine in northern Sweden, targeting enhanced tailings dam monitoring and operational resilience as the mine scales to meet rising copper demand.

ABB’s project scope covers power distribution, drive systems, and control infrastructure for pumping stations and monitoring, intended to strengthen water storage, recycling, and oversight of tailings dam behaviour. Boliden’s stated requirement was future-proofed infrastructure aligned with the Global Industry Standard on Tailings Management (GISTM), with an emphasis on compliance, real-time visibility, and reduced operational risk.

The supplied equipment includes modular e-houses, medium- and low-voltage switchgear, transformers, variable speed drives, and the ABB Ability System 800xA distributed control system for automated monitoring and diagnostics. ABB said the modular approach enabled rapid deployment while minimising downtime — a practical necessity when the job is being delivered in sub-arctic conditions, and production schedules are not obliged to wait for a tidy commissioning window.

The market driver is not subtle. ABB referenced projections for rising refined copper demand through 2035, and framed the project as part of Boliden’s longer-term resilience investments. Copper’s demand curve is increasingly anchored to electrification, grid build-out, and renewables, but tailings management is the constraint that can turn growth into a liability if it is not engineered, monitored, and governed properly.

“Boliden needed future-proofed infrastructure to keep pace with increased demand for European copper production,” said Björn Jonsson, Global Business Line Manager, Mining & Materials, ABB’s Process Industries division. “Our modular approach allowed us to quickly deliver electrified and automated operations, without compromising on quality or safety standards.”

Peter Nystedt, Manager at Project Office, Boliden, added: “As this is such a crucial project for the future of the Aitik mine, it makes us even more pleased to see it meeting both deadline and budget.”

Tailings is one of mining’s most scrutinised risk categories, and that scrutiny is not going away. The closer mines can get to continuous monitoring, predictive maintenance, and audited controls around water balance and dam performance, the less exposed they are to operational shocks, regulatory pressure, and the sort of reputational damage that money cannot easily fix.


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