rahul@walawalkar.com PhD, CEM, CDSM 
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General Energy Management Tips for reducing your energy bills.

  • Every month some fixed tariff is charged by the Electric Distribution Company depending on the Maximum Demand load. So estimation of required maximum demand should be done after properly calculating the ac loads, lighting load & other equipment loads.
  • To reduce the peak demand of power supply, scheduling of the non-critical tasks (e.g. running of water pumps) to off peak hours is advisable. The Electricity Boards charge tariffs, by taking into account the PD, thus reducing the peak demand may help you in reducing monthly charges.
  • Maintaining Power Factor at unity (0.95) is advisable in most of cases for economical operation. Due to addition of new loads, the PF (Power factor) may drop below the 0.95 mark required.
  • If found economical, then meters should be installed to monitor energy use. This will help in preventive maintenance, in identifying energy management opportunities. Proper metering also helps to allocate energy costs to various cost centers.
  • Thermostats of the water heaters & air-conditioners should be properly set considering seasonal changes to optimize the energy use with little or negligible impact on comfort. Indicators of switches and heaters should be periodically checked to insure proper Functioning.
  • Switches for equipment like computers, printers should be easily accessible, so that user can turn off the equipment when not in use.