The effect of Time of Use in Norway : an empirical analysis of the effect of Time of Use tariff in combination with four different communication strategies on electricity consumption from a field experiment in Eastern Norway
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- Master Thesis 
Norway has the world's second highest electricity consumption per capita (International Energy Agency, n.d.). Increased electrification of society services is expected to push peak consumption to higher levels than its current state. This will challenge the current grid capacity and might require upgrade investments. However, efficient usage of the current capacity might contribute to postponing these costly investments. One of the instruments to achieve this efficiency is designing a new grid tariff. Elvia, the biggest Norwegian distribution system operator is testing a new Time of Use tariff on a random sample of 4505 residential customers. Four strategies have been used to communicate the tariff. This thesis estimates the effect of the interaction of Time of Use tariff and the communication strategies, in comparison to a control group by using the Difference in Differences method. The results show that appealing only to the economic sense was not sufficient to reduce peak consumption, while environmental and social pressure focused messages have higher effect. Limitations and avenues for further research have been discussed.