نتایج جستجو برای: electricity

تعداد نتایج: 45329  

2017

The report summarises the latest independent scientific evidence on the use of dedicated electricity storage in electricity grids, explains potential impacts on electricity markets of recent and expected developments in storage technologies, and highlights what could be done through electricity market design, energy policy and investment support to ensure that grid-connected storage is used eff...

2005
Ram M. Shrestha S. Kumar Sudhir Sharma

The paper discusses the institutional reforms for rural electrification (RE) in Thailand and Bangladesh and analyses the impacts of private sector participation in electricity generation and tariff reforms on the poor in Thailand. RE program in Thailand, initiated in 1977, increased electricity access by rural households from 7% in early 70s to 97% by 2000. In Bangladesh the RE program, initiat...

Journal: :Science 2009
Michael B McElroy Xi Lu Chris P Nielsen Yuxuan Wang

Wind offers an important alternative to coal as a source of energy for generation of electricity in China with the potential for substantial savings in carbon dioxide emissions. Wind fields derived from assimilated meteorological data are used to assess the potential for wind-generated electricity in China subject to the existing government-approved bidding process for new wind farms. Assuming ...

2010
Melissa Powers

Coal is the dominant source of electric power in the United States, providing nearly 50 percent of all electricity in the country. In comparison, the other major sources of electricity – natural gas and nuclear power – supply only about 20 percent each of the country’s electricity, and renewable energy sources account for less than 10 percent. Until recently, it appeared that coal would retain ...

2008
Elizabeth Hooper Andrei Medvedev

The paper provides an overview of the generation of electricity in 10 countries in South East Europe during 1995-2004. Using the latest available statistics the potential of the nascent integration of the electricity markets in South East Europe is explored. We conduct a cross-country analysis of electricity production based on different types of fuel used. The region has a low level of gasific...

2008
Harrison Fell

A cointegrated vector autoregressive (CVAR) model is estimated to determine the dynamic relationship between Nordic wholesale electricity prices and EU emissions trading scheme (EU-ETS) CO2 allowance prices. An impulse response analysis reveals that electricity prices have large short-term responses to CO2 price shocks, but that this response dampens over time. Using hourly Nordic electricity s...

Journal: :Environmental science & technology 2010
Derek M Lemoine Richard J Plevin Avery S Cohn Andrew D Jones Adam R Brandt Sintana E Vergara Daniel M Kammen

Biomass can help reduce greenhouse gas (GHG) emissions by displacing petroleum in the transportation sector, by displacing fossil-based electricity, and by sequestering atmospheric carbon. Which use mitigates the most emissions depends on market and regulatory contexts outside the scope of attributional life cycle assessments. We show that bioelectricity's advantage over liquid biofuels depends...

Journal: :CoRR 2018
Homayoun Hamedmoghadam Nima Joorabloo Mahdi Jalili

Accurate prediction of long-term electricity demand has a significant role in demand side management and electricity network planning and operation. Demand over-estimation results in over-investment in network assets, driving up the electricity prices, while demand underestimation may lead to under-investment resulting in unreliable and insecure electricity. In this manuscript, we apply deep ne...

2018
Mattias Gustafsson

When there are differences in economic value of self-consumed and exported electricity, economic profitable PV installations are dependent of accurate predictions of selfconsumed electricity. In this study, minute based data of PV production and the electricity use were logged in a single family house in Sweden. It is shown that when self-consumed electricity is estimated, a low time resolution...

The electricity industry that has been administrated with integrated vertical structure worldwide is now undergoing dramatic changes. Electricity industry is converting to a competitive industry in which market powers determine the price of electricity, there for it is important to identify market power. The Electricity Market of Iran and Iran Grid Management Company were established in 2003 an...

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