Residential Battery Storage

1. Control

1.1. Centralized

1.2. Decentralized

1.3. Distributed

1.4. Optimisation

1.4.1. Constraints

1.4.1.1. State of Charge

1.4.1.2. Charge/Discharge Power

1.4.1.3. PV Power

1.4.1.4. Grid Import/Export Power

1.5. PV Generation Threshold

1.6. Real Time vs. Scheduled

2. Economic Evaluation

2.1. Tariffs

2.1.1. TOU

2.1.2. Flat

2.2. Incentive Schemes

2.2.1. NEM

2.3. Optimal Battery Size

3. Adverse Grid Effects (PV Generation)

3.1. Two-Way Power Flow

3.1.1. Voltage Rise

3.1.2. Frequency Variation

3.2. Intermittent Nature

4. Benefits

4.1. Peak Shaving

4.1.1. Prevents Transformer Overloading

4.2. Load Balancing/Shifting

4.3. Tap Changer and Voltage Regulator Relief

4.4. System Upgrade Deferral

4.5. Increase Self-Consumption of PV Generation

5. Trial

5.1. Energex

5.2. Ergon

5.3. AusGrid

5.4. AusNet

6. Sizing

6.1. Shared ESS

6.2. Economic

6.3. Peak Shaving Capabilities

6.4. Mitigate Variations in PV Generation