Khaleej Times has reported that the Dubai Metro is set to break even in 2017. This would be a massive achievement for such a high cost project. In 2010 the RTA introduced some changes to the running of the Metro that cut costs significantly. In addition to this the ridership of the Dubai Metro has increased significantly, providing higher revenues.
The cost of the Dubai metro system was reported to be $7.6 billion after costs escalated in the first few years of building. But with the green line opening the potential passenger numbers were extended and the numbers using the Metro were significantly increased. There are still a few stations on both the Red Line and the Green Line that are yet to open and once they are this should also increase revenue.
The full article can be found here.