Spanish renewables company Zelestra has signed an agreement with Chinese power equipment supplier Sungrow Power Supply Co Ltd (<a href="https://www.szse.cn/English/siteMarketData/siteMarketDatas/lookup/index.html?code=300274" target="_blank">SHE:300274</a>) to purchase around 1 GWh of battery energy storage systems (BESS) for its Aurora hybrid project in northern Chile.