Back to All Media S&P Global – Oil and gas to be big in energy, power markets through 2050: experts Surging power demand, driven by data centers and the need to serve energy-impoverished people in developing nations, require an "all of the above" strategy in which oil and gas continues to supply about half global needs, executives and experts said Sept. 12. Share Article Surging power demand, driven by data centers and the need to serve energy-impoverished people in developing nations, require an “all of the above” strategy in which oil and gas continues to supply about half global needs, executives and experts said Sept. 12.