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<p>Grid reinforcement and system management costs form part of overall network costs which are, in part, charged to energy suppliers and feed through to consumer bills. In announcing the recent price rises, energy suppliers have listed wholesale prices, cost of environmental and social schemes, and network costs as the main drivers for the increases. However, none of them has given proportions to these elements.</p><p>There are no data available on the proportions of network costs due to wind power. Most expenditure on network reinforcements benefits more than one type of generation and has multiple purposes. For example, reinforcements are needed to replace ageing assets, to maintain network reliability and to ensure electricity reaches customers throughout the country.</p> |