Chinese companies are accelerating the construction of a new type of power system on the back of renewable electricity growth, spurring demand for smart grids and power storage, experts said.

The new power system takes wind, solar, nuclear, biomass and other new energies as the mainstay, with other resources like coal as supplements.

It highlights the advancement of technology to support a large scale of new energies smoothly connecting to the grid.

Lin Boqiang, head of the China Institute for Studies in Energy Policy at Xiamen University in Fujian province, said: "Different from fossil fuels, new energy power generation has higher requirements for the safe and stable operation of the power system. That's because most new energies are intermittent resources, which have rapid and random changes. This makes it hard for stable and steady power generation.

"Besides, it causes volatility in voltage and frequency disturbances in grid operation during power transmission. As a result, it's necessary to develop new power systems to meet growing demand buoyed by increasing new energy installations."