Reliance Infrastructure Ltd (<a href="https://www.bseindia.com/stock-share-price/reliance-infrastructure-ltd/RELINFRA/500390/" target="_blank">BOM:500390</a>) said on Tuesday it has received a letter of award from Indian state-run hydropower company NHPC Ltd (<a href="https://www.bseindia.com/stock-share-price/nhpc-ltd/NHPC/533098/" target="_blank">BOM:533098</a>) to develop a 390-MW inter-state transmission system-connected solar plant project with a battery energy storage system (BESS).