i think it will help you to find your answer
http://en.wikipedia.org/wiki/Electricity_pricing
or
http://shrinkthatfootprint.com/average-electricity-prices-kwh
http://en.wikipedia.org/wiki/Electricity_pricing
or
http://shrinkthatfootprint.com/average-electricity-prices-kwh
I would prefer to answer from your own experience. I for example in Poland, pay 0,42 zł city continued price increases to 0.60 zł MIn i was paid 0,35 zł. (zloty)
