Building information modeling can help in predicting the energy efficiency in future based on dynamic patterns obtained by visualization of data. The aim of this study was to investigate the effective parameters of energy consumption using BIM technology which can evaluate the buildings energy performance. First, three forms of general states in the building were modeled to evaluate the propose...

We examined the power consumption of various dynamic disk spindown policies with the goal to save energy for mobile computing. Based on a trace from HP Laboratories, we find that the proposed adaptive 2-competitve algorithm can outperform the share algorithm by 15% or so when the disk spindown cost is low. The relative power performance of different disk spindown techniques are presented and co...

The intermittent nature of the renewable energies increases the operation costs of conventional generators. As the share of energy supplied by renewable sources increases, these costs also increase. In this paper, we quantify these costs by developing a market clearing price of energy in the presence of renewable energy and congestion constraints. We consider an electricity market where generat...

the power supply of remote sites and applications at minimal cost and with low emissions is an important issue when discussing future energy concepts. this paper presents modeling and optimization of a photovoltaic (pv)/wind/diesel system with batteries storage for electrification to an off-grid remote area located in rafsanjan, iran. for this location, different hybrid systems are studied and ...

The Federal ministers for the environment and for economic affairs’ suggestions for a renewables price brake must be seen in the light of upcoming elections. Any change of law would have to pass the Federal Council and, therefore, political opposition. So it is unlikely the effects of their proposed measures will be as great as some fear. However, the proposal has started a debate about possibi...

As one of themost developed provinces in China, Jiangsu Province has been actively developing bio-energy in order to deal with its electricity supply shortage. By the end of 2010, there are 12 grid-connected strawbased power plants, but only two of them are profitable in this province. This paper presents a simple and detailed method for estimating the cost of straw-based power generation with ...

in many hydroelectric dams, when the inflows are greater than the demand for energy, a portion of the water that could be used to generate electricity is diverted to the spillway and literally wasted. this energy,designated as “spilled turbinable energy”, could be used advantageously to generate other products or an energy vector that could be stored for later use, since in these situations the...

This paper presents a new energy consumption scheduling scheme to enable Demand Side Management (DSM) in future Smart Grid Networks (SGNs). Electrical grid has been facing important challenges regarding quality and quantity to meet the increasing requirements of consumers. Environment friendly and economical generation along with efficient consumption through effective DSM in future SGNs will h...

The philosophy of efficient energy consumption is vitally crucial to profitable production cost in manufacturing industries. This is because the unit production cost is largely determined by the cost of unit energy supply; which is quite higher than the cost of raw materials in Nigeria. It has been established that the Nigerian industrial sector is responsible for 8.7% of the total energy consu...

Renewable energy sources are central issues in the current EU energy policy. According to the European Council agreement on climate and energy package of December 2008 (the “20-20-20”), by 2020 the EU is committed to reducing its emissions of greenhouse gases to at least 20% below the 1990 levels, increasing the share of renewables in the energy mix to 20% and increasing power efficiency by 20%...