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The aim of this study is to analyze how cellular network subscribers behave during an electricity network disturbance situation. Furthermore, removing the effect of randomly accessing the network could improve especially the speech capacity during these events. When part of the mobile network is unavailable, the availability of the cellular network services decreases. However, the subscribers have increased demand for services during disturbance scenarios since they fetch information from the Internet and try to contact their family and friends. The analysis in this paper shows that even an uncommon power blackout resulted in an increase of 73 % in new calls and 84 % in the number of short message service (SMS) demand for mobile network services in a rural area.