East Central Railway has invited bids to install 1.114 MW of rooftop solar systems at Amrit Bharat station (533 kW) and at various locations (581 kW) under Sonpur Division in Bihar.
The scope of work includes the design, manufacture, and supply of grid-connected solar systems without battery backup. The systems should comprise  single/polycrystalline silicon solar cells connected in series, string Inverters, and a data logger, with provision for data to be sent to a remote service platform for analysis.