From oil to nuclear power, via gas, coal and renewables, Asia's economic growth is increasingly steering the forward path of the global energy industry.

"It's clear that Asia's emerging economies have entered a historic phase of industrialisation and urbanisation," Peter Voser, the chief executive of energy giant Shell, said at the ongoing World Energy Congress in Daegu, South Korea.

"The pace of change is almost inconceivable," Voser said.

Shell estimates that energy demand across the Asia region will double over the next 50 years, with China and India the main growth drivers for at least the next two decades.

"This is not only transforming Asia's energy system, but also the world's," Voser said.

The geographical shift in global energy consumption is already becoming clear.

China passed the United States in September as the world's biggest net oil importer, driven by faster economic growth and strong auto sales, according to data released last week by the US Energy Information Administration.

In August, energy consultancy Wood Mackenzie predicted that China would be spending $500 billion a year on crude oil imports by 2020 to meet rising demand.

As a result, members of the Organisation of Petroleum Exporting Countries (OPEC) would be "compelled to shift their focus" from the United States towards China, Woodmac said.

Increasing Asian demand for natural gas is also resulting in profound sectoral changes, with suppliers boosting production of liquified natural gas which can be transported by boat to markets not served by pipelines.

"In the gas sector, we have shifted our focus from the Atlantic basin to Asia-Pacific, through agreements with a number of major Asian players," Gerard Mestrallet, the chairman of France's GDF Suez, told AFP in Daegu.

The French giant is engaged in a number of energy infrastructure projects in the region -- particularly India and China -- and is a partner in a liquified natural gas export terminal being built in the United States to supply Asian markets via Panama.

Surging Asian demand for coal is also redrawing the energy landscape.

China already consumes more than half of the global coal supply and Woodmac estimates that coal will surpass oil as the world's major fuel by the end of the decade.

China will account for two-thirds of that growth in consumption, with half of China's new power generation capacity to be coal-fired.

Asia also looks set to drive the nuclear power sector, despite safety concerns and significant public opposition in the wake of the Fukushima disaster in Japan.

China and India are currently building 30 and seven reactors respectively and dozens more are in the pipeline across the region.

And Asia's search for energy sources extends to renewables, with increasing investment especially in wind and solar power to complement the existing energy mix.

Although the cost of alternative energies, especially in relation to coal, will inevitably restrict their roles, an Asia Development Bank study released in Daegu suggested that renewables would account for 7.1 percent of energy produced in Asia by 2035 -- compared to just 1.9 percent in 2010.

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ROYAL DUTCH SHELL PLC

GDF SUEZ

VESTAS WIND SYSTEMS