Definition:
A system that stores energy for later use, helping to balance supply and demand in power systems. ESS can take various forms, including batteries, thermal storage, and mechanical systems.
Key Components:
- Energy storage medium (e.g., batteries, compressed air, pumped hydro)
- Power conversion system (PCS)
- Control and monitoring system
Use Cases/Industries:
- Renewable energy integration
- Grid stabilization
- Industrial backup power
- Electric vehicle charging infrastructure
Advantages:
- Enhances grid reliability and efficiency
- Enables peak shaving and load leveling
- Supports decarbonization initiatives
Challenges:
- High upfront costs
- Efficiency losses during energy conversion
- Regulatory and permitting complexities
Related Terms:
Battery Energy Storage System (BESS), Grid Stability, Renewable Energy Integration
Example:
A utility-scale ESS installed in California helps store excess solar energy during the day and releases it during peak demand hours.
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Synonyms:
Energy Storage, Power Storage, Grid Storage
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