48 00 00 Electrical Power Generation
48 10 00 Electrical Power Generation Equipment
48 11 00Fossil Fuel Plant Electrical Power Generation Equipment48 12 00Nuclear Fuel Plant Electrical Power Generation Equipment48 13 00Hydroelectric Plant Electrical Power Generation Equipment48 14 00Solar Energy Electrical Power Generation Equipment48 15 00Wind Energy Electrical Power Generation Equipment48 16 00Geothermal Energy Electrical Power Generation Equipment48 17 00Electrochemical Energy Electrical Power Generation Equipment48 18 00Fuel Cell Electrical Power Generation Equipment48 19 00Electrical Power Control Equipment