In Morocco's 850 MW wind tender, the lowest bid came in at $25 per MWh, while the average bid price was $30 per MWh. For more information see http://cleantechnica.com/2016/01/18/new-low-for-wind-energy-costs-morocc...
Factors influencing the low prices are: remarkable wind resource and concessional finance.
According to the vice minister of energy and environment, new coal power plant would be $80 per MWh.
US is the other market where wind PPA are in the $25 per MWh range or lower, however wind enjoys $23 per MWh of incentive--production tax credit for 10 years.