Sustainability

Responsible,
Low‑Carbon Aluminium

MetSol’s advanced technologies support responsible, low‑carbon aluminium production by improving energy efficiency, reducing emissions, and strengthening ESG performance in primary aluminium smelters.

Lowering Carbon Intensity at the Source

Climate and carbon performance
MetSol solutions directly lower carbon intensity through three core process mechanisms — targeting both operational emissions and energy-related carbon output.

Higher current efficiency — increases metal output without higher amperage or energy input, reducing the carbon intensity per tonne of aluminium produced.
Reduced specific energy consumption — achieved by lowering operating voltage, minimising anode effects, and improving alumina dissolution and distribution.
Significant PFC emission reductions — through predictive suppression of anode effects, cutting both frequency and duration directly at the pot level.
Regulatory alignment
Scope 1 emissions — reduced through PFC suppression and process-level anode effect management
Scope 2 emissions — reduced through lower specific energy consumption across the potline
EU CBAM — measurable carbon footprint per tonne supports border adjustment reporting and compliance
Global carbon standards — quantified improvements align with international reporting and certification frameworks
MetSol technologies help smelters lower the carbon footprint per tonne of aluminium — a key requirement under CBAM and global carbon‑reporting standards.

Support for Green Aluminium and ESG reporting

Built for Measurable ESG Impact

MetSol’s systems are designed to support Green Aluminium production and more robust ESG reporting — providing the measurable data that buyers, certifiers, and regulators require.

Green Aluminium

MetSol combines efficiency gains with lower emissions to support credible Green Aluminium production. By reducing both energy use and process-related emissions simultaneously, smelters can meet the quantitative requirements of green product certification and low-carbon supply chain commitments.

ESG Reporting

Measurable improvements in current efficiency, energy consumption, pot stability, and emissions performance provide the data foundation for robust ESG disclosure. MetSol results are generated through independent and site-based trials, giving smelters verifiable numbers for climate-related and governance reporting.

Independent and site‑based trials

Demonstrated Results

Increased current efficiency
Reduced specific energy consumption
Lower anode‑effect frequency and duration
Reduced PFC emissions
Improved pot stability and lower electrical noise

Tangible contributions to ESG objectives — verified in the field.

These results translate into measurable contributions to environmental, social, and governance objectives — including climate‑related targets and long-term operational efficiency improvements.

Results are generated through independent and site-based trials, providing smelters with verifiable, auditable data for ESG disclosure, carbon reporting, and Green Aluminium certification.

Sustainable upgrades without major rebuilds

A Practical Pathway to Better Environmental Performance

MetSol provides better environmental performance without requiring structural rebuilds or major capital expenditure — each technology designed for retrofit installation on existing potlines.

APC+™
Advanced Pot Control

Modernises pot control on existing potlines, turning legacy control systems into intelligent, data‑driven assets. Directly reduces anode effects, lowering both Scope 1 PFC emissions and Scope 2 energy-related emissions.

MPF™
Multi-Point Feed

Enhances alumina distribution and pot stability in retrofit applications. Reduces local depletion and anode-effect risk, contributing to lower PFC emissions and improved energy efficiency without structural changes.

HPCA™
High-Performance Cathode

Upgrades cathode performance at reline, reducing resistive losses and extending pot life. Delivers sustained energy savings and a lower carbon footprint over the full cathode lifecycle.

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