SEMIRARA MINING and Power Corp. (SMPC) said it is confident it can submit a mining plan that meets Department of Energy (DoE) requirements to extend its coal operating contract on Semirara Island. “It’s not easy. The first time we went to the Semirara site, it failed — even the first attempt before we came in. Because once it reaches around 160 meters below sea level, water starts to enter and everything begins to slide. If you don’t know how to…