Abstract
This paper examines the data collected from the power industry over the last six years of actual reported emissions of sulphur hexafluoride (SF6) and the potential impact. The SF6 emissions have been collated from the 14 different regions in England, Scotland, and Wales (Great Britain) from the six distribution network operators. The emissions of SF6 due to the transmission network of Great Britain have also been collated from the three different transmission network operators. By collecting this SF6 emissions data from the power industry, in both the distribution and transmission networks, an overall view of the scale of SF6 emissions in Great Britain can be evaluated. Data from the power industry also shows the inventory of SF6 power equipment in use over the last six years in Great Britain and shows the calculated percentage leakage rate of all of this equipment. In this paper, these figures, as reported by the electrical power industry to the UK government, have been used to estimate the likely inventory of SF6 equipment in England, Scotland, and Wales by 2050 and the future emissions of SF6 that could be leaked into the atmosphere by this equipment.
Highlights
This paper examines the reported emissions of sulphur hexafluoride (SF6 ) from the power industry in Scotland, Wales, and England
It is of timely importance that how much SF6 is in use in the distribution and transmission networks, the amount of SF6 that leaks each year, and the potential impact this gas can contribute to global warming both and in the future be evaluated
This paper evaluates the present inventory of SF6 that is needed to sustain the electrical distribution and transmission networks in England, Scotland, and Wales
Summary
This paper examines the reported emissions of sulphur hexafluoride (SF6 ) from the power industry in Scotland, Wales, and England. SF6 exhibits extremely useful insulation characteristics that allow for its use in distribution and transmission equipment in the power network It exhibits an insulation capability approximately three times that of air [7] and, it allows for compact gas-insulated switchgear (GIS) and gas-insulated lines (GIL) to be adopted. It has become apparent that a new alternative, environmentally-friendly, gas is needed to replace SF6 entirely because of its inherent global warming potential. It is of timely importance that how much SF6 is in use in the distribution and transmission networks, the amount of SF6 that leaks each year, and the potential impact this gas can contribute to global warming both and in the future be evaluated
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