Sterling & Wilson Pins Hopes On BESS, Wind EPC Projects

By Saur News Bureau/ Updated On Thu, Jun 26th, 2025

Renewable energy company Sterling & Wilson (SW Solar) is now looking ahead to explore its fortunes in the Battery Energy Storage System (BESS) sector and wind energy EPC projects in the country. The top management of the firm recently revealed that transitioning to new areas to widen their projects and revenues. Chandra Kishoree Thakur, the Global CEO of publicly listed firm Sterling & Wilson, revealed the new roadmap of the firm.

“Apart from our growing domestic solar EPC business, FY ’25 also marked our entry into two new important growth market: battery energy storage solutions, and the wind EPC. With more and more projects in the renewable space moving towards the hybrid model, we believe a well-rounded offering, like we currently provide to our customers, is crucial to tap into the growth, Thakur told investors.

Three new projects in Q4

He also added, “We bagged three new projects in the domestic EPC market in the 4th Quarter. We received our first order for wind EPC from a private IPP for a hybrid project in Rajasthan. The scope of work includes engineering, procurement and constructions of a 69.3 megawatts wind Balance of the Plant and 55 megawatts AC (75 megawatts DC) solar BoS, along with 132 kV/33 kV pooling substation. Our entry into wind helps us provide holistic EPC solution for hybrid projects and opens up a new exciting segment for us.”

Sterling & Wilson Renewable Energy reported a total order inflow of ₹7,051 crore in the financial year ended March 2025, with India contributing the bulk of the business. The firm said that the domestic market accounted for ₹5,900 crore, or 84% of the company’s total FY25 order inflow. The rest came from international markets, including two South African projects.

21% Growth In Domestic Orders

Thakur noted that domestic orders grew by nearly 21% year-on-year, driven by robust demand from both public and private sector clients. Private Independent Power Producers (IPPs) contributed about 55% of the domestic order inflow, while Public Sector Undertakings (PSUs) accounted for the remaining 45%.

Looking ahead, Thakur projected continued growth in the domestic market, backed by a strong project pipeline. The company expects 22–23 GW of renewable energy projects to be tendered in India in 2025, and plans to actively pursue solar, wind, and BESS opportunities.

Unexecuted Orders

Sterling & Wilson’s unexecuted order value (UOV) stands at over ₹9,096 crore, providing significant revenue visibility for the coming quarters. Over 84% of the UOV is tied to Indian projects, while the remaining comprises two projects each in Europe and South Africa.

The company’s diversification into wind and battery storage comes at a time when India’s energy policy is increasingly focused on grid stability and decarbonization through firm, dispatchable renewable energy.