Wind Power Generations Impact on Peak Time Demand and on Future Power

Jinho Lee and Suduk Kim

Abstract Although wind power is regarded as one of the ways to actively respond to climate change, the stability of the whole power system could be a serious problem in the future due to wind power's uncertainties. These uncertainties include intermittency and the fact that wind power cannot be relied upon to supply energy "on demand," including and especially during periods of peak demand. From this perspective, the peak-time impact of stochastic wind power generation is estimated using a simulation method that extends to 2030 based on the 3rd master plan for the promotion of new and renewable energy. Results show that the highest probability of wind power impact on peak time power supply could be up to 4.41% of total installed capacity in 2030. The impact of wind power generation on overall power mix is also analyzed up to 2030 using the screen curve method (SCM). The impact turns out to be relatively small, but the estimated investment cost to make up any lack of power generation through reliance on LNG power generation facilities is shown to be a significant burden on existing power companies.

Keywords SCM (Screening Curve Method) • Wind power generation • Peak time demand

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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