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What are the advantages and disadvantages of On-Grid battery storage systems?

Advantages

• 1-Peak Shaving: On-Grid battery storage systems are used to shave the high peaks by charging at low peak hours and then injecting the power in high peak hours to shave the peak demand on the grid.
• 2-Frequency: On-Grid battery storage systems some grids suffer from frequency fluctuations that may cause disasters for electric machines like electric motors & other devices. On-Grid battery storage systems can adjust that by converting AC to DC and then back to AC again but with the right frequency eliminating any disturbance.
• 3-Emergency: On-Grid battery storage systems can store power for long times to only inject it into the grid in case of natural disasters or transient grid blackouts.

Disadvantages

• 1-Cost: On-Grid battery storage systems cost too much not just for the battery cost but there is money spent on the control & detection systems to detect all the cases it should start working in.
• 2-Maintenance: On-Grid battery storage systems need regular maintenance for batteries & electronics systems to keep them ready for constant injection into the grid.

What are the use cases of On-Grid battery storage systems?

• 1-Grid Storage: On-Grid battery storage systems are used to store power from the grid in places where the grid is not always injecting power & needs support from an external system.
• 2- Grid Stability: Frequency is one of the main factors that need to be stable for the grid to work properly therefore On-Grid battery storage systems are used in such application.