Indian electric utility Tata Power Co Ltd (<a href="https://www.bseindia.com/stock-share-price/tata-power-coltd/tatapower/500400/" target="_blank">BOM:500400</a>) has joined forces with a unit of Bhutanese peer Druk Holding and Investments Ltd to deploy at least 5 GW of renewable power generation and storage capacity in the Kingdom.