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<p>were established: domestic heating and <a href="page.php?w=air-conditioning">air-conditioning</a> led to daily peaks in demand that were met by an array of 'peaking power generators' that would only be turned on for short periods each day. The relatively low utilisation of these peaking generators (commonly, <a href="page.php?w=gas_turbine">gas turbine</a>s were used due to their relatively lower capital cost and faster start-up times), together with the necessary redundancy in the electricity grid, resulting in high costs to the electricity</p><p>
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