The article is devoted both to stability theory forming as an important economic conception and tariff policy in energy supply for rural areas as a part of the program to achieve sustainability. Policy evaluation is made on the statistics materials on Permskii Krai. The authors show that government, business and society collaborating can achieve economic efficiency, also through tariff regulation for electric energy payment and due to energy saving. This will have a positive impact on the socio-economic condition of enterprises in rural areas. This policy may also be applied to the whole country as a contribution to sustainable development of rural areas.