탄소 중립과 재생에너지 확대에 따른 전원 비중 분석 및 이슈별 대응방안 검토
A Study on Energy Mix Analysis and Countermeasures for the Carbon Neutrality and Renewable Energy Expansion Issues
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Renewable Energy is expected to become a dominant energy supply source with nuclear energy in Korea, to achieve Carbon Neutral by 2050. In recent energy demand & supply system, the base-load demand has been supplied by nuclear and coal power. By contrast, the fluctuation in demand has been met by natural gas, pumped hydro power and energy storage system (ESS). Fluctuations in energy supply arise from variations in renewable energy supply and energy demand between day- and night-time. Renewable and nuclear energy should be deployed to achieve as much carbon neutrality as possible. Excessive supply of renewable energy, however, can make some issues like curtailment, reduced power inertia and an increased need of flexible resources. To address these challenges, forecasting of power generation, supply of power inertia and addition of flexible resources like ESS are required. Numerous ESS technologies have been developed, each with characteristics and specific application fields. Consequently, further integrated research on the optimal storage mix, including application fields, economics and efficiency, should be conducted.
Abstract
Renewable Energy is expected to become a dominant energy supply source with nuclear energy in Korea, to achieve Carbon Neutral by 2050. In recent energy demand & supply system, the base-load demand has been supplied by nuclear and coal power. By contrast, the fluctuation in demand has been met by natural gas, pumped hydro power and energy storage system (ESS). Fluctuations in energy supply arise from variations in renewable energy supply and energy demand between day- and night-time. Renewable and nuclear energy should be deployed to achieve as much carbon neutrality as possible. Excessive supply of renewable energy, however, can make some issues like curtailment, reduced power inertia and an increased need of flexible resources. To address these challenges, forecasting of power generation, supply of power inertia and addition of flexible resources like ESS are required. Numerous ESS technologies have been developed, each with characteristics and specific application fields. Consequently, further integrated research on the optimal storage mix, including application fields, economics and efficiency, should be conducted.