Monthly kWh Usage 3000 kWh 2500 kWh 2000 kWh 1500 kWh 1000 kWh 500 kWh OR Rate Type Residential Seasonal & Residential Service General Service Small Commercial - Single Phase Small Commercial - Three Phase Small Commercial - Public Services & Not-for-Profit - Single Phase Small Commercial - Public Services & Not-for-Profit - Three Phase Large Power Irrigation Enter your on peak Monthly Energy Usage (kWh) Enter your off Peak Monthly Energy Usage (kWh) Enter your Monthly Energy Usage (kWh) Old Bill New Bill Difference Enter your Monthly Energy Usage (kWh).