Abstract
The key indicators, in the Annex IV of Regulation (EC) 1221/2009 (“EMAS III”), should permit an assessment of the environmental impact of an organization, through the quantification of resources and the evaluation of significant environmental aspects. The aim of this research is to carry out a brief survey on the suitable use and reporting of the performance indicators in the EMAS Environmental Statements of a very representative sample of Italian CCGT (Combined Cycle Gas Turbine) power plants and then on the state and evolution of few core energy and environmental indicators in order to investigate their benchmarking performances. Our findings are that the total consumption of fossil fuels and the overall emissions have greatly decreased in relation to the less operating time of the CCGT power stations, but, in relation to the electricity produced, the consumption of natural gas and the emissions of greenhouse gases have drastically increased.Keywords: CCGT power stations, EMAS Environmental Statement, performances.JEL Classifications: L940, Q310, Q41DOI: https://doi.org/10.32479/ijeep.7906
Highlights
In Italy, and in the rest of world, the use of fossil fuels, for electricity production, covers most of the domestic power generation and energy demand “World Energy Council (2013)”
Some Preliminary Considerations about EMAS Environmental Statements Content We have found, at first, that all the EMAS key performance indicators, as reported in the Annex IV of the Regulation, are referred, very
From 2007 to 2016, as a consequence of economic crisis and energy demand, there has been a drastic reduction of annual operating hours and electricity production of cycle gas turbine (CCGT) power stations
Summary
In Italy, and in the rest of world, the use of fossil fuels, for electricity production, covers most of the domestic power generation and energy demand “World Energy Council (2013)”. Despite the modernization and performance upgrading of the national thermoelectric industry – in particular of the combined cycle gas turbine (CCGT) power plants – which has been taking place already for several years “Montanari (2004)”, the severe economic crisis has had serious repercussions on productivity, plant utilization quotas and, on the efficiency of the whole sector. CCGT system, which uses natural gas as fuel, is considered, among those traditional sources, the best available technology for electricity generation, owing to its high energy efficiency (over 50%) and its reduced environmental impact. As it is well known, this technology is based on the combined application of two thermodynamic cycles in successive phases (Rankine and Brayton cycles) with gas and steam turbines
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