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Electrical Service for Irrigation Pumps

Indian Affairs

Rate Schedule # 3 – IRRIGATION PUMPING:

The Irrigation electric service shall only be used by the customer, on the customers own premises and shall not be resold.

This classification is available to customers with single or three-phase services are used exclusively for irrigation pump motors.

All irrigation secondary service entrances shall be Wye connected services. No new Delta connected secondary service entrances shall be connected to CRA-ES utility services.

CRA-ES shall only supply the following secondary voltages to Irrigation customers:

  • 120/240 V
  • 120/208 V
  • 120/240/208 V
  • 277/480 V

Prior to CRA-ES energizing the secondary service, if the total kW demand for the service is greater than 5 kW the customer shall install motor soft starters and power factor correction capacitors on all motors connected to the service. The goal of utilizing motor soft starters and power factor correction capacitors is to temporarily reduce the load and torque imposed on the motor while increasing the power factor to unity or 1.

If the power factor is found to be less than 85% by use of revenue meter registers an adjustment for power factor will be made by increasing the billing demand for each month by 1% for each 1% or major fraction thereof by which the lagging power factor is less than 85%.

Prior to CRA-ES energizing the service the customer shall ensure that low voltage lightning arrestors are installed on the service. All motors shall be protected on all three power legs.

Rate Schedule # 3:

Energy Charge – 3.3 cents per kilowatt-hour.

Demand Charge - $3.00 per kilowatt of billing demand.

MINIMUM CHARGE: $3.00 per kilowatt of billing demand or contract demand whichever is greater.

BILLING DEMAND: – The highest 15 minute integrated demand in kilowatts occurring during the month or the demand specified in a contract, whichever is greater.

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