World’s Largest Supercapacitor-Based Facility Enters Service in China

An vitality storage facility in China that mixes supercapacitors and batteries has begun operations. The 100 MW hybrid facility will serve to manage the grid frequency.

A 100 MW hybrid frequency regulation facility has entered service in China’s northern Shanxi province. Billed because the world’s largest supercapacitor-based facility, the challenge combines a 58 MW/30-second supercapacitor array with a 42 MW/42 MWh lithium-ion battery system. The ability, constructed on an space of roughly 16,800 sq. meters, was introduced on-line with an funding of 670 million yuan ($94 million).

Positioned in a village within the metropolis of Xinzhou, the power is located in a area identified for its ample daylight and water assets. These options present very best circumstances for large-scale renewable vitality and storage options.

Supercapacitors Provide Quick Response Instances and Lengthy Lifespans

The system is managed by an vitality administration system that dynamically distributes duties between the supercapacitors and batteries. The supercapacitors deal with adjustments on a millisecond scale, whereas regulation duties on a minute scale are carried out by the batteries.

Supercapacitors present ultra-fast response instances, corresponding to 0.001 seconds, and considerably outperform lithium-ion batteries in excessive chilly, retaining over 85% of their capability at -40°C. This extends the lifespan of the batteries, with the objective of lowering life-cycle prices by 30%.

The ability’s operational targets embrace sustaining the grid frequency inside a ±0.02 Hz restrict and responding to system adjustments inside one second. Because of this high-speed response functionality, 1.6 GW of variable renewable vitality—roughly 20 instances the plant’s instantaneous energy—might be built-in into the grid.

The plant is predicted to generate over 120 million yuan ($16.5 million) in annual income, contribute round 12 million yuan in taxes, and obtain a return on funding inside roughly 7 years. It was additionally famous that the challenge created over 500 jobs.

In a deliberate second part, the capability is focused to be elevated to 200 MW. The hybrid mannequin can also be deliberate to be used in resource-rich areas like Interior Mongolia and Xinjiang, the place China is quickly increasing its large-scale renewable vitality infrastructure.

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