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With the growing of intermittent renewable energy sources, like wind and solar, are required energy backup solutions to establish an advantageous compromise between the energy production and consumption. Typically, these renewable energy sources are not installed at the end-users level, which can create the problem of uncontrolled distributed energy sources. In this research work we propose a solution based on the standard OpenADR to handle this problem, creating a platform based on internet-of-things capable to turn-on or off electrical devices based on a central decision process that meets the requirements of energy producers and consumers. Producers can provide energy according to the consumer's requirements and take part of energy production and costs fluctuations. Based on an OpenADR standard for energy data exchange and a central cloud server, a list of services are provided to handle this transactions, with georeferenced information to minimize energy losses in the distribution process.

This paper presents an economical assessment of the benefits of introducing 5G technologies into pilot use cases pertaining to the railroad transportation and energy sectors. For each of the pilots, undergone by EFACEC Engenharia e Sistemas and EFACEC Energia, respectively, under the scope of the H2020 5Growth project, evaluates the expenditure and benefits expected from introducing 5G capabilities over their on-going operations. This evaluation is expressed regarding the Portugal case, and are also scaled to assess the European-wide case. The main objective of the study summarized in this paper is to understand if solutions proposed by the H2020 5Growth project, and 5G as a whole, are also advantageous from an economic point of view. The results of the techno-economic analysis reported in this paper show, on a European scale, millions of euros saved by the different stakeholders involved in the deployment of 5G solutions.