Introduction
The electricity industry is facing numerous challenges today including environmental pollution, increased demand, and aging infrastructure. Environmental issues are the primary concern of the power generation industry and have necessitated the inclusion of renewable energy sources in the generation of electricity. Renewable portfolio standard has set forth new requirements in the industry obligating electricity generation companies to generate a certain percentage of generated electricity to come from renewable sources. However, rapid integration of new energy sources on the old transmission and distribution infrastructure will cause quality, security and reliability challenges on the electric power supply. The good thing is ...