نتایج جستجو برای: electricity production

تعداد نتایج: 642943  

2017
Peng Hou Peter Enevoldsen Joshua Eichman Weihao Hu Mark Z. Jacobson Zhe Chen

In response to electricity markets with growing levels of wind energy production and varying electricity prices, this research examines incentives for investments in integrated renewable energy power systems. A strategy for using optimization methods for a power system consisting of wind turbines, electrolyzers, and hydrogen fuel cells is explored. This research reveals the investment potential...

2010
Abdul Waheed Bhutto Muhammad Yasin

Energy efficient household appliances ensure substantial financial savings while at the same time ensure better environmental quality. Despite these benefits, historically developing countries like Pakistan have not taken advantage from such opportunities and instead overwhelmingly concentrated on increased energy production. Likewise households are a major consumer of electricity and contribut...

This paper presents a new robust two-stage Data Envelopment Analysis (DEA) for efficiency evaluation of the electricity power production and distribution companies. DEA has been widely used for benchmarking the electricity companies. Traditional studies in DEA consider systems as a whole when measuring the efficiency, ignoring the operation of individual processes within a system. To tackle thi...

2015
Petar Sabev Varbanov Jiří Jaromír Klemeš Sharifah Rafidah Wan Alwi Jun Yow Yong Xia Liu Jiyao Gao Fengqi You

In this work, we address the functional-unit based life cycle optimisation of the design and operations of shale gas supply chain networks considering both the economic and environmental performance. The system covers the well-to-wire life cycle of electricity generated from shale gas, consisting of a number of stages including freshwater acquisition, shale well drilling, fracking, and completi...

2015
Jiyao Gao Fengqi You

In this work, the life cycle economic and environmental optimization of shale gas supply chain network design and operations is addressed. The proposed model covers the well-to-wire life cycle of electricity generated from shale gas, consisting of a number of stages including freshwater acquisition, shale well drilling, hydraulic fracturing and completion, shale gas production, wastewater manag...

2015
Gilbert Fridgen Lukas Häfner Christian König Thomas Sachs

As the transition to renewable energy sources progresses, their integration makes electricity production increasingly fluctuating, also causing amplified volatility in electricity prices on energy markets. To contribute to power grid stability, utilities need to balance volatile supply through shifting demand. This measure of demand side management creates flexibility, being enabled as the inte...

2016
Jethro Browell

This paper derives revenue-maximising and risk-constrained strategies for stochastic generators participating in electricity markets with a single-price balancing mechanism. The solution to this problem requires forecasts of multiple processes: the participant’s energy production, day-ahead and balancing electricity prices, and the system length. By formulating the problem from a probabilistic ...

2010
Nicolas Crettenand

The paper aims to contribute towards further shaping of the institutional framework in Switzerland in order to facilitate the development of small hydropower (<10MW). The context of the research is the current liberalisation process of the electricity sector, the forthcoming electricity gap and the government’s aim to increase the weight of renewable energy sources (RES), as well as post-Kyoto ...

2012
A. Wagner Andreas Wagner

Worldwide the installed capacity of renewable technologies for electricity production is rising tremendously. The German market is particularly progressive and its regulatory rules imply that production from renewables is decoupled from market prices and electricity demand. Conventional generation technologies are to cover the residual demand (defined as total demand minus production from renew...

2005
S. J. Deng S. S. Oren

Electricity spot prices in the emerging power markets are volatile, a consequence of the unique physical attributes of electricity production and distribution. Uncontrolled exposure to market price risks can lead to devastating consequences for market participants in the restructured electricity industry. Lessons learned from the financial markets suggest that financial derivatives, when well u...

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