The participation of actions for energy savings and efficient use are analyzed in the assessment scenarios of economic, social, and environmental benefits. The financing of these benefits is achieved through the delay of investments, which decreases production costs and reduces environmental emissions. This manuscript also analyzes the international context, which can be characterized by a rising trend in the price of conventional fuels and more restrictive policies imposed by environmental regulations, which subsequently lead to increased production costs in conventional electric systems. In the case of Baja California, the evolution of the electrical system, changes in the energy portfolio and effect of these changes on the emission of pollutants are reviewed, and the forecasts of the classical methodologies are compared with the scenarios of systemic planning.