In clause problems of management by the power enterprise on the basis of knowledge of features of power and a choice of the strategy corresponding the purposes of manufacture and realization of energy are considered. For the Latvian power enterprise of joint-stock company ”Latvenergo” the author offers the mission In work are taken into consideration the intermediate term purposes of development of the Latvian power and actions on development of the Latvian power are given at performance of Instructions of the European Union The author considers interests of the parties interested in activity of the power enterprise. In power enterprise from them the most suitable are strategy of leadership on costs and strategy of differentiation which principles of application are offered In clause business-strategy of the power enterprise, separate principles of application of strategy of competitive advantage, and also structural making managements on decrease in costs, characteristic for power are offered a matrix. As a result of realization business-strategy and strategy of competitive advantage should be expected creation in the Latvian power of the competitive environment.