Based on the estimated requirements of power supply as per the National Electricity Policy published in 2005, the recommended consumption is 1000 units per Capita per year or 2.74 kWh per capita per day demand which included domestic, commercial, industrial and other requirements.

The actual estimation of power can be made based on the industrial development (type and extent), commercial development, domestic and other requirements. The provision of one electric substation of 11KV for a population of 15,000 can be considered as general standard for electricity distribution.

Land requirement for  Air Insulated Substations (AIS) , Gas Insulated Substations (GIS) & Hybrid Switchgear

Land /Space Required    AIS   GIS   Hybrid  

2×10 MVA S/S   ~3500 Sq. M.    ~ 1600 sq. M  ~ 2500 sq. M.

 (70×50 sq. M.)   (40×40 sq. M.)    (50×50 sq. M.)

3×25 MVA S/S   ~ 6800 sq m   ~ 2400 sqm   ~4200 sq m

(80×85 sq m)   (60×40 sq m)    (60×70 sq m)  

Source : CEA Guidelines for distribution utilities  for  development of distribution infrastructure -2018

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