Complex sentence: The oilfield off the coast of Suizhong county produces five million tons of crude oil annually, while electricity generation in the same area is set to increase annual capacity to 3.6 million kilowatts.
Split into simpler sentences: The oilfield off the coast of Suizhong county produces five million tons of crude oil annually. Electricity generation in the same area is set to increase annual capacity to 3.6 million kilowatts.