News

Have you ever seen energy storage suspended mid-air? Above Zhangjiakou's wind farms, rows of ‘gravity weights’ resemble giant dumbbells. When turbines generate excess power, motors hoist these weights to 120-metre heights; when electricity is needed, hooks release them to plummet down, driving generators for secondary power generation. The entire system responds in 0.1 seconds—faster than you could scan a QR code. Engineers quip: This turns wind into “muscle”—one lift of iron generates one kilowatt-hour."

Imagine this: in remote mountainous regions, wind turbines spin ceaselessly day and night, yet forced to curtail output due to grid constraints; in bustling cities, industrial and commercial users endure steep peak-hour electricity tariffs with no recourse. Enter the 5MWh DC-side containerised energy storage system—set to revolutionise these challenges!

The direct consequence of overcapacity is a fierce price war. The average bid price for lithium-ion energy storage systems has plummeted like a slide, dropping repeatedly. In 2024, the year-on-year decline reached 47.82%, and this trend continued in the first half of 2025, with another year-on-year decline of 29.94%. In this price war, companies are willing to go to great lengths to compete for a limited market share, with some even offering cell prices below 0.4 yuan/Wh. Wh, akin to a war without smoke, with companies battling fiercely, severely compressing profit margins. The industry's average profit margin dropped from 15% in 2022 to less than 5%, leaving many companies struggling to survive.

Imagine a world where the sun doesn’t shine, and the wind doesn’t blow. How do we keep the lights on? This is where energy storage steps in as the superhero of the energy world. It captures excess energy from renewable sources like solar and wind and stores it for those moments when nature takes a break. Think of it as a giant, eco-friendly power bank for the planet!

Energy storage technology is like the “Transformers” of the energy sector, capable of flexibly storing and releasing electrical energy according to different needs. For example, when solar panels absorb a large amount of sunlight during the day but cannot generate electricity at night, the energy storage system can store the excess electricity from the day and release it at night, ensuring a more stable energy supply.

Energy storage technology, in simple terms, involves storing electrical energy, thermal energy, or other forms of energy for release when needed. Doesn't that sound a bit like a Swiss Army knife? It is powerful, versatile, and capable of solving many complex problems. For example, in wind power and solar power generation, the intermittent nature of wind and sunlight results in fluctuating power output. Energy storage systems act as a “buffer,” storing excess electricity and releasing it when power is insufficient, ensuring the stable operation of the power grid.