In a renewable energy-based system, energy storage must match the energy demand with supply. Usually a lead …-acid battery is utilised as a short-term energy buffer. A system, which has a combination of an electrolyser and a high …-pressure hydrogen tank for long-term energy storage, is considered in this paper. The cost intensive components are sized considering …

In a renewable energy-based system, energy storage must match the energy demand with supply. Usually a lead …-acid battery is utilised as a short-term energy buffer. A system, which has a combination of an electrolyser and a high …-pressure hydrogen tank for long-term energy storage, is considered in this paper. The cost intensive components are sized considering …

related to the efficiency developments of spatial energy systems. The study analyses the efficiency development in the global … world economy. This study is a comparative analysis of energy and CO <SUB align="right"><SMALL>2</SMALL></SUB> emission …, from which the authors provide the analysis of dynamic changes of energy consumption and CO <SUB align="right"><SMALL>2 …

This article proposes a mean-variance optimisation and portfolio frontier analysis of energy risk management with … a diversified portfolio composed of energy (oil, gas, coal), weather, bond, equity risky assets, and of a riskless asset …

was the deregulation of a public "good" (such as energy) and as such a civic "trust"? What role does public policy play in … economic decisions? No matter what the opinions about the causes of the energy crisis, the result is the same the crisis has … countries as well. The reasons are clear: can energy, like water, waste or the environment, be subject to market forces? Or are …

demonstration study of "urban energy supplying project based on the environmental demand and sustainable development" with the … the city of Hohhot. During the study, we have developed "Integrated Energy Programming Model, IEPM" which is suggested by … German experts. The fundamental principle of this model has been extensively used by German energy consulting company and has …

This paper presents some important macroeconomic components characterising the energy economy in Poland during the … transition period 1995-2000. Evaluation of primary energy use in Poland has been made in two separate energy flows firstly …, energy in the production sector and secondly, energy consumed by households. The comparison of energy productivity in Poland …

The paper presents some aggregated technological, economic and environmental indicators of a national energy efficiency … macroeconomic and branch dynamics, industry, households and service sector, transport, efficient lighting programme, and the energy … sector of the country. The quantitative characteristics of the programme are impressive it could halve the energy intensity …

The Energy Information Administration (EIA) of the US Department of Energy (DOE) forecasts US renewable energy supply … and demand in the context of overall energy markets using the National Energy Modelling System (NEMS). Renewables compete … sectors of the US economy. NEMS forecasts renewable energy for grid-connected electricity production within the Electricity …