نتایج جستجو برای: electricity production

تعداد نتایج: 642943  

2012
Rolf Golombek Sverre A. C. Kittelsen Ingjerd Haddeland

This paper studies some impacts of climate change on electricity markets, focusing on three climate effects. First, demand for electricity is affected because of changes in the temperature. Second, changes in precipitation and temperature have impact on supply of hydro electric production through a shift in the inflow of water. Third, plant efficiency for thermal generation will decrease becaus...

2009
Ian Woertz Laura Fulton Tryg Lundquist

High rate algae ponds fed clarified domestic wastewater and CO2-rich flue gas are expected to remove nutrients to concentrations similar to those achieved in mechanical treatment technologies, such as activated sludge. However, the energy intensity of wastewater treatment with CO2-supplemented high rate ponds (HRPs) would be less than that of mechanical treatments. In conjunction with anaerobic...

The present study aims at designing a promising Microbial Fuel Cell (MFC) to utilize wastewater in order to generate electricity. Two types of salt bridge have been used in MFC (KCl and NaCl). The maximum electricity generation with 1M KCl and NaCl has been 823 and 713 mV, respectively. Varied salt concentrations (0.5M, 1M, 2M, and 3M) of salt bridge in MFC have been analyzed with different fac...

Journal: Pollution 2018

The present study aims at designing a promising Microbial Fuel Cell (MFC) to utilize wastewater in order to generate electricity. Two types of salt bridge have been used in MFC (KCl and NaCl). The maximum electricity generation with 1M KCl and NaCl has been 823 and 713 mV, respectively. Varied salt concentrations (0.5M, 1M, 2M, and 3M) of salt bridge in MFC have been analyzed with different fac...

Electricity plays an important role in the production of various economic sectors.  Power outages can thus impose high costs on these sectors and ultimately on economic growth and development.  The purpose of this study is to estimate the welfare losses resulting from a possible power outage in the productive economic sectors of Iran. This study was conducted in two stages using provincial pane...

Recently, imbalances in the electricity production and consumption in Iran, have caused critical situations at specific times of the year; meanwhile, the residential sector, with a 51 percent share, is the main reason for peak demand crisis. According to the international experiences, it can be hoped that by revising the residential electricity tariff structure, consumption pattern in this sect...

2010
B. Roossien

To realize smart grids, there is a need for flexible supply and demand of electricity. Conventional heating systems in the Netherlands are based on gas, but new innovative systems, such as heat pumps and micro-CHPs, consume or produce electricity. If the demand for heat and the production/consumption of electricity is decoupled by using a hot water buffer, these heating systems provide the flex...

2011
Sumit Mitra Ignacio E. Grossmann Jose M. Pinto Nikhil Arora

Optimization models for the production scheduling of power-intensive processes such as air separation can help realizing significant economical savings. However, if the electricity is procured in the dayahead or real-time market, the forecast for the hourly electricity prices contains a significant amount of uncertainty. In this work, we apply robust optimization to the uncertain electricity pr...

2005
Karen Palmer Dallas Burtraw

We analyze policies to promote renewable sources of electricity. A renewable portfolio standard raises electricity prices and primarily reduces gas-fired generation. A “knee” of the cost curve exists between 15% and 20% goals for 2020 in our central case, and higher natural gas prices lower the cost of greater reliance on renewables. A renewable energy production tax credit lowers electricity p...

2013
Michelle T H van Vliet Stefan Vögele Dirk Rübbelke

Recent warm, dry summers showed the vulnerability of the European power sector to low water availability and high river temperatures. Climate change is likely to impact electricity supply, in terms of both water availability for hydropower generation and cooling water usage for thermoelectric power production. Here, we show the impacts of climate change and changes in water availability and wat...

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