The higher time you spend using a voltage stabilizer, the more power it will consume. So,
The answer is yes, a voltage stabilizer could increase your electricity bill. Usually, developing
countries face the issue of voltage fluctuations. The amount of power being consumed
by them varies. It is usually found that the cheapest models consume more power. Also, they will
increase your electricity bill to a much higher level. In the worst case, they will consume 5% of the
maximum load.