Sterling & Wilson Solar Limited (SWSL), incorporated in 2017 and based in Mumbai, specializes in providing solar engineering, procurement, and construction (EPC) solutions. The company focuses primarily on utility-scale solar power projects, managing them from initial planning and design to final commissioning. It also offers operations and maintenance (O&M) services for third-party projects. Originally functioning as the Solar EPC division of Sterling and Wilson Private Limited (SWPL) since 2011, the company became an independent entity following a demerger on April 1, 2017. Before the demerger, it operated under the name Rashmika Energy Private Limited. According to IHS Markit, SWSL was recognized as the world’s largest solar EPC provider in 2018 based on the volume of utility-scale photovoltaic system installations. The company now operates in 26 countries and delivers customized solar solutions to its clients. SWSL follows a hub-and-spoke model, where India serves as the central hub for the entire supply chain, including engineering, design, and collaboration with third-party subcontractors and suppliers. The company focuses on enhancing the performance of solar projects by offering cost-effective, innovative designs supported by a skilled design and engineering team, which includes 138 professionals dedicated to engineering and design work.