Sterling and Wilson Renewable Energy Shares Jump 8% on Rs 985-Crore Order Wins

Shares of Sterling and Wilson Renewable Energy climbed as much as 8% in Tuesday's trading session after the company announced two fresh order wins, in India and South Africa, together worth more than Rs 985 crore including taxes. The stock's jump made it one of the standout movers on the exchanges in an otherwise choppy session for the broader market.

The larger of the two contracts is a domestic order from Rajasthan, where Sterling and Wilson will supply a Balance of System package for a 534.3 MWp solar project. The company said the order comes from a leading independent power producer that is a new client for the firm, marking an expansion of its customer base within India's fast-growing utility-scale solar segment. A Balance of System contract typically covers everything in a solar installation apart from the panels themselves, including mounting structures, inverters, cabling and the engineering work needed to tie a plant into the grid.

The second order takes Sterling and Wilson further into the international battery storage business. The company will execute two battery energy storage system projects in South Africa, each with a capacity of 308 megawatt-hours, taking the combined storage capacity of the contract to 616 MWh. This order is structured as a turnkey engineering, procurement and construction package and comes from a repeat customer, which the company highlighted as a sign of client confidence carrying over from earlier projects in the region.

The order wins extend a period of improving momentum for the renewable energy engineering and construction specialist, which has been rebuilding its order book after a stretch of financial stress in preceding years. Winning both a large domestic solar contract and a sizeable international battery storage deal in the same announcement suggests the company is diversifying its revenue mix, leaning further into energy storage even as India's solar EPC market remains intensely competitive on pricing.

Battery storage in particular has become an increasingly important growth area for renewable energy EPC firms globally, as grid operators lean on storage systems to smooth out the intermittency of solar and wind generation. South Africa, which has faced chronic power shortages and has been aggressively expanding renewable capacity alongside storage infrastructure, has emerged as an active market for Indian EPC contractors looking to diversify beyond the domestic market.

For Sterling and Wilson, the twin order wins offer near-term revenue visibility and reinforce the narrative among analysts that private capital expenditure into renewable infrastructure remains resilient even as parts of the broader market turn cautious. Investors will now watch execution timelines on both projects, along with further order announcements, as the company looks to sustain the momentum that has driven the stock's sharp gains through much of this year.

This is an original summary based on public reporting. See our editorial policy for how we source, write, and correct our stories.