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Calculate the battery capacity needed to reduce your peak demand charges and avoid Western Power network fees.
Check your bill or estimate based on simultaneous appliance use
How long do peaks typically last?
Western Power typical: $25-$45/kW/month
Peak demand is the highest rate of electricity consumption during a billing period. Western Power charges based on your peak demand, even if it only lasts a few minutes.
Batteries can shave your peak demand by automatically discharging during high-consumption periods, reducing network charges significantly.
WA households with batteries can save $200-$600 per year on peak demand charges alone, on top of energy arbitrage savings.