The aluminum industry consumes about 4% of global electricity but requires stable power supply as long power outages are catastrophic. We investigate how the aluminum industry can maximally integrate variabl. AbbreviationsCCGT Combined Cycle Gas TurbineEGA Emirates. Aluminum is a critical material for the energy transition. It is the second most-produced metal by mass after iron and demand for it has been growing globally at an average rate. The ability of the aluminum smelting industry to effectively utilize variable renewable energy, especially if output modulation is introduced, requires an understanding of. The optimization model described in Section 2.3 is customized for a cell similar to the DX + Ultra aluminum reduction cells installed at the Al Taweelah smelter. The RE integration an. Operating an aluminum smelter with renewable energy in the Arabian sub-belt can provide significant cost advantages by reducing fuel costs between 2.2% and 5.3% for fuel pric.