Rates Standard Single-phase Service Monthly Rate Schedule  - typical for most residential and agriculture applications. Service Availability Charge (does not include any kWh usage)  $26.00 First 1500 kWh  8.7 cents per kWh All usage exceeding 1500 kWh (sales tax not included) 7.4 cents per kWh Standard Three-phase Service Monthly Rate Schedule  - typical for most multi-phase commercial and industrial applications. Service Availability Charge (does not include any kWh usage) $32.00 First 1500 kWh  8.7 cents per kWh All usage exceeding 1500 kWh  (sales tax not included) 7.4 cents per kWh Dual Fuel Rate  - a special rate is given for all qualifying dual fuel installations – for more details on qualifying dual fuel systems click here. Rate for the metered kWh usage through the heat pump (from October through April) will be 1.5 cents below the lowest rate block listed above.