The DPRK has registered its second Clean Development Mechanism (CDM) project: The Kumya Hydro Power Plant.
Here is an older Google Earth satellite image featuring the approximate location of the dam and power station (39.554552°, 127.164363°):
The dam was also featured on the North Korean evening news on 2012-9-28, however, it appears to be known domestically as the “Kumya-gang Power Station No. 2 (금야강2호발전소)”. You can see it here at the 3:36 mark:
1. The DPRK’s first CDM project: Hamhung Hydro Power Plant No. 1