How has energy storage been developed?

Energy storage first passed through a technical verification phase during the 12th Five-year Plan period, followed by a second phase of project demonstrations and promotion during the 13th Five-year Plan period. These phases have laid a solid foundation for the development of technologies and applications for large-scale development.

Why is energy storage important?

The role of energy storage in the safe and stable operation of the power system is becoming increasingly prominent. Energy storage has also begun to see new applications including generation-side black start services and emergency reserve capacity for critical power users.

What happened to energy storage systems?

Industry attention was also devoted to the effectiveness of applications and the safety of energy storage systems, and lithium-ion battery energy storage systems saw new developments toward higher voltages. Energy storage system costs continued to decline.

What are the characteristics of energy storage industry development in China?

Throughout 2020, energy storage industry development in China displayed five major characteristics: 1. New Integration Trends Appeared The integration of renewable energy with energy storage became a general trend in 2020.

Which energy storage capacity surpassed the GW level?

Newly operational electrochemical energy storage capacity also surpassed the GW level, totaling 1083.3MW/2706.1MWh (final statistics to be released in CNESA’s Energy Storage Industry White Paper 2021 in April 2021).

Which energy storage technologies have been made a breakthrough?

Breakthroughs have been made in a variety of energy storage technologies. Lithium-ion battery development trends continued toward greater capacities and longer lifespans. CATL developed new LiFePO batteries which offer ultra long life capabilities, while BYD launched "blade" batteries to further improve battery cell capacities.