Energy consumption and its associated costs represent a huge part of cloud providers’ operational costs. In this paper, we explore how much energy cost savings can be made knowing the future level of renewable energy (solar/wind) available in data centers. Since renewable energy sources have intermittent nature, we take advantage of migrating Virtual Machines (VMs) to the nearby data centers wi...

Renewable energy planners in developing countries should be cautious in using analytical tools formulated in developed countries. Traditional energy consumption, economic and demography transitions, high-income inequality, and informal economy are some characteristics of developing countries that may contradict the assumptions of mainstream, widely used analytical tools. In this study, we synth...

The energy demand is sharply increasing due to industrialization, huge population growth, and increased comfort lives etc. This energy demand mostly extracts from the fossil fuels which is non-renewable and the known reservoirs expected to finish in near future. The whole world may face energy crisis soon, altogether the fossil fuel produces greenhouse gasses (GHG) which cause the climate chang...

In the US, buildings represent around 40% of the primary energy consumption and 74% of the electrical energy consumption (U.S. DOE, 2012). Incentives to promote the installation of onsite renewable energy sources have emerged in different states, including net metering programs. The fast spread of such distributed power generation represents additional challenges for the management of the elect...

According to the energy crisis in the world, optimization of energy consumption is indispensable. Technological advances in constructions and application of renewable energy resources demand saving energy. Atrium, as one of the construction elements, catches sufficient daylight and acts as a passive solar element and results in a decline of energy consumption. This research seeks to evalu...

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An increasing number of private households are becoming producers of renewable energy. From an economic perspective it is beneficial to utilize this energy both locally and promptly. This does require the ability to be able to deal with local excess production at short notice using, for example, an electronic trading platform. In this paper we describe a future energy scenario demonstrating tec...

Power grids are facing new challenges as a consequence of an increase in the use of renewable energy sources (RES). The fluctuation in power supply from these energy sources results in insecure and unstable operating points. Furthermore, the integration of distributed energy resources (DER), as well as distributed information systems, poses serious stability and security challenges in power net...