A professional who investigates customers' bill complaints for gas and electric-power service. Respnsibilities include:

• Examines weather reports for weather conditions during billing period that might have contributed to increased use of service.
• Examines meter reading schedules to determine if early readings increased billing period.
• Reviews meter books, microfilm, computer printouts, and machine accounting records for errors causing high bill.
• Orders tests to detect meter malfunctions.
• Confers with customer in person, by telephone, or dictates correspondence to explain reasons for high bill.
• Prepares forms required for correction of meter reading or billing errors.