KETEP 세계에너지시장정보

1 Introduction ........................................................................................................................................... 1 
 1.1 Three Key Issues To Maintaining Bulk System Reliability With Increased Wind and Solar ....... 1 
 1.2 Summary of Findings .................................................................................................................... 2 
 1.3 How Have We Studied the Evolving Grid? .................................................................................. 3 
 1.4 Study Geography ........................................................................................................................... 4 
 1.5 Studies Considered ........................................................................................................................ 5 

2 Meeting the Ramp: Lessons From Variability Studies ..................................................................... 7 

3 Meeting the Demand: Lessons From Resource Adequacy Studies .............................................. 10 

4 Keeping the Grid Moving: Lessons From Frequency Stability Studies ........................................ 13 
 4.1 Frequency Stability – Summary of the Issue and Study Approach ............................................. 13 
 4.2 Study Findings............................................................................................................................. 13 

5 From Study to Practice: Where Are We Now and Where Are We Going? .................................... 16 
 5.1 Incorporating High Levels of Variable Generation in Utility Planning ...................................... 16 

6 Conclusions ........................................................................................................................................ 18