176498
Oil Fired Peaking Stations Gas/Natural Gas Fired Peaking Stations Hydroelectric Dams Wind Farms Biomass to Energy Plant Milltown Biomass Attempted Nuclear Plants Operating Electrical Utility Companies References
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None