Telecom companies’ power cost has three components – grid power, batteries and diesel. Grid power is the cheapest source of power and is the main source in most urban sites. Telecom sites need upwards of 99% uptime, but round-the-clock grid power is not available for most towers. When grid power is not available, the cell site shifts to battery backup. In rural India, most sites either do not have grid connectivity or have grid power availability for a very short period, and grid and battery are not sufficient to provide the high uptime levels required for a cell site. Therefore, most of these sites run on diesel generators
Power and fuel cost is the single-largest cost head for a telecom operator (8-10% of revenue for the most efficient operators). Reading into the Balance sheet of Pure telecom Infratel Player,