KETEP 세계에너지시장정보

Abbreviations ........................ viii

Acknowledgements ........................ ix

Key Messages ........................ xi

Executive Summary ........................ xiii

1. Introduction ........................ 1
  Hybrid Hydropower Facility ........................ 2
  Intended Audience ........................ 8

2. Evolving Power Systems ........................ 11
  Integrating Variable Renewable Energy ........................ 11
  The Essential Role of Power System Flexibility ........................ 14

3. Unlocking Hydropower Hybrid Technologies ........................ 19
  Mastering Energy Control ........................ 22
  Fast-Response Hydropower ........................ 23
  Power Electronics and Inverters ........................ 25

4. Boosting Energy Storage ........................ 27
  Reservoir Energy Storage ........................ 27
  Pumped Storage Hydropower ........................ 28
  Electrochemical Storage (Batteries) ........................ 29
  Flywheels ........................ 31
  Compressed Air and Liquid Air ........................ 31
  Energy Generation ........................ 33
  Harnessing Synergies with Hybrid Operation and Control Systems ........................ 37

5. Exploring the Benefits and Challenges of Hybrid Facilities ........................ 43
  Fortifying Energy Security ........................ 43
  Harnessing Benefits from Hydropower Hybrids ........................ 46
  A Nuanced Interplay with Climate, Environment, and Society ........................ 50

6. Fostering Energy Services ........................ 57

References ........................ 61

Annex 1. Hydropower ........................ 67

Glossary ........................ 69

Photo Credits ........................ 72