Design a small-scale power generation system based on renewable energy sources

Design a small-scale power generation system based on renewable energy sources 

Paper details

The configuration of the overall system, components such as turbine and generators, the basic principle and the overall efficiency, cost/ environments /government policy are suggested to be covered. Operation and maintenance issue are also suggested. Note that you are suggested to focus on one aspect of the renewable power generation system, while not covering all aspects of the design. You could pick up a current operating power plant as an example, or design a new power generation system.