Engineering, Procurement, and Construction (EPC) services for utility-scale PV power plants, solar panels, inverters, and energy-storage systems, are the business of Sonnenir Energy LLP, an Indian renewable-energy company serving central and state government utilities, industrial, and commercial customers. Founded in 2020, it provides end-to-end solutions from site surveys to plant commissioning, integrating storage for grid and off-grid use, and with a focus on automation it ensures cost efficiency and sustainable growth through CO2-free energy.