From pv journal ESS News web site
The world’s first large-scale semi-solid state vitality storage venture was efficiently related to China’s grid on June 6. The 100 MW/200 MWh set up is the primary part of the Longquan Energy Storage venture, funded and constructed by the state-owned. utility Power China.
The venture has a complete deliberate capability of 200 MW/400 MWh unfold over a 40-acre web site. This venture is considered one of Zhejiang Province’s “14th Five-Year Plan” new grid-side vitality storage demonstration initiatives. It can be the most important vitality storage energy station in Lishui City, Power China mentioned in a launch.
One cost can save as much as 200,000 kWh of electrical energy, bringing the annual discharge to over 60 million kWh.
The Longquan Energy Storage venture makes use of WeLion’s 280 Ah lithium iron phosphate (LFP) solid-liquid hybrid cells, with an vitality density of greater than 165Wh/kg. The cells can do greater than 6,000 cycles and have an working temperature from -20 to 60 levels.
The energy conversion system for the venture was supplied by Kehua Tech. The Chinese firm personalized and deployed 25 units of 5 MW skids for the venture. It implements 4 1.25 MW high-performance vitality storage converters, related in parallel to a 5,000 kVA transformer, reaching a 35 kV AC grid-connected output.
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