Why is China building pumped-storage hydropower facilities?
China is building pumped-storage hydropower facilities to increase the flexibility of the power grid and accommodate growing wind and solar power. As of May , China had 50 gigawatts (GW) of operational pumped-storage capacity, 30% of global capacity and more than any other country.
How big is China's pumped-storage capacity?
China’s pumped-storage capacity is set to increase even more, with 89 GW of capacity currently under construction. Developers are seeking governmental approvals, land rights, or financing for an additional 276 GW of pumped-storage projects, according to the data from Global Energy Monitor. Pumped storage is a type of energy storage.
Why is wind and solar power important in China?
This flexibility is particularly important in China, which has a large and growing share of wind and solar power in its generation mix. In , wind and solar combined generated 12% of China’s electricity, according to our International Energy Statistics.
Will wind and solar power be curtailed in China?
As wind and solar play an increasingly significant role in China’s electricity mix, the surplus energy generated will need to be stored. Otherwise, it will have to be curtailed, meaning some of the wind and solar power will not be used.
Why is energy storage important in China?
Developing energy storage is an important step in China's transition from fossil fuels to renewable energy, while mitigating the effect of new energy's randomness, volatility and intermittence on the grid and managing power supply and demand, he said.
What percentage of China's Electricity is generated by wind and solar?
In , wind and solar combined generated 12% of China’s electricity, according to our International Energy Statistics. As wind and solar play an increasingly significant role in China’s electricity mix, the surplus energy generated will need to be stored.
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