Complete Western Australia battery guide 2026

DEBS export bonus

Synergy's DEBS program rewards exports during peak demand periods:

• Peak export window: 3pm-9pm
• Bonus rate: Additional 10c/kWh during peak
• Self-consumption value: Avoid import rates of 30-35c/kWh
• Off-peak export: Standard feed-in tariff applies

Rates vary by tariff plan. Check your Synergy account for current rates.

WA battery scheme

Combined with federal STCs, total rebates reach $4,000-5,000 for a typical Synergy household installation.

Perth climate factors

• High summer temperatures (35-40°C+)
• Excellent solar resource year-round
• Hot battery environment considerations
• Dust and ventilation requirements

Choose batteries rated for Australian conditions.

Synergy battery rewards VPP

• Required for WA state rebate eligibility
• Typically 15-25 activation events per year (70¢/kWh)
• Expected earnings: ~$100-180/year for 10-13kWh batteries
• Must be on Synergy's Supported Solutions List (SSL)

VPP participation helps stabilise the grid during peak demand periods.

Inverter & battery sizing

Your inverter capacity determines how quickly your battery can charge and discharge. In WA, residential systems typically use:

• Single-phase: 5kW to 15kW inverters (most Perth homes)
• Three-phase: Up to 30kW inverters (larger properties)

Ensure your inverter's continuous power rating matches or exceeds your battery's maximum charge/discharge rate for optimal performance.