The Delhi Metro Rail Corporation invited bids to set up rooftop solar power projects with a capacity of 5 MW over its Phase-IV metro rail network. Bids must be submitted by July 31, 2025. Bids will be opened on August 1. The scope of work involves the design, engineering, supply, erection, installation, testing, and commissioning of the solar projects. It also entails providing operation and maintenance services for 25 years.