Definition:
A system that uses rechargeable batteries to store electrical energy for later use, improving grid flexibility and supporting renewable energy deployment.
Key Components:
- Lithium-ion, lead-acid, or flow batteries
- Battery management system (BMS)
- Power electronics for conversion
Use Cases/Industries:
- Solar and wind energy storage
- Uninterruptible power supply (UPS) for critical infrastructure
- Peak shaving in industrial applications
Advantages:
- Rapid response time for frequency regulation
- Scalable for small or large applications
- Can be deployed in urban and remote areas
Challenges:
- Degradation over time and limited cycle life
- Environmental concerns over battery disposal
- Potential fire hazards with certain chemistries
Related Terms:
Energy Storage System (ESS), Frequency Regulation, Microgrid
Example:
Tesla’s Megapack battery system is used in Australia’s Hornsdale Power Reserve to stabilize the electrical grid and reduce blackouts.
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Synonyms:
Battery Storage, Electrochemical Storage
