The Mumbai Metro Rail Corporation (MMRC) is planning to use solar energy to power part of the third phase of the metro project. It plans to use solar energy at the Aarey car depot and at substations along the Colaba-Bandra- Santacruz Electronics Export Processing Zone metro line. The solar installations will also have the provision of net metering, which will allow the MMRC to sell the surplus power back to the grid and save on electricity bill. The MMRC aims to generate up to 1.5 MW power through its solar initiatives. It is also looking at options to harness solar energy for the running of trains.