ALKHOBAR: Saudi Electricity Co. (SEC) has signed contracts worth SR2.56 billion ($682.5 million) to supply power to the Riyadh Metro, which is currently under construction, the kingdom's state news agency reported on Tuesday.

The seven contracts are to build stations and lay cables for the rail system in the Saudi capital.

The government awarded in July 2013 deals worth $22.5 billion to three foreign-led consortia for the design and construction of the metro due to be completed in 2019.