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Bringing security aspects in earlier phases of development is one of the major shifts in software development trend. Model-driven development which helps with raising the abstraction level and facilitating earlier analysis and verification is a promising approach in this regard and there have been several efforts on modeling security aspects. However, the issue is that when it comes to embedded systems, non-functional requirements such as security are so interconnected that in order to satisfy one, trade-off analysis with other ones are necessary. Energy consumption is one of these requirements which is of great importance in embedded systems domain due to resource limitations that these systems have. In this paper, focusing on security and energy consumptions we propose a new methodology for model-driven design of embedded systems to bring energy measurements and estimations earlier in development phases and thus identify security design decisions that cause violations of specified energy requirements.