SYDNEY, Oct 30 (Reuters) - Alcoa ( AA ) is 'very

bullish' on aluminium as the energy transition drives demand

growth, including substitution from copper, its CEO, William F.

Oplinger, said on Wednesday.

"As we look forward, demand growth will be driven by this

energy transition," he said, adding that as demand outstrips

supply for copper, demand for aluminium will grow because it is

a ready substitute in some applications, he told a conference in

Sydney.