Private wire systems are localised electricity grids connected to the local distribution networks but linked to privately owned central plant which produces electricity. This enables them to operate a stand-alone supply in the event of the national grid failing, providing localised energy security. The business case for private wire supply is driven by the fact that off-grid generation generally avoids network charges and statutory costs.Lloyd, A., The promise and pitfalls of private wire electricity supply, published 9 May 2019, accessed 26 August 2019 Ofgem's "Significant Code Review" in the UK, launched in August 2017,Ofgem, Targeted Charging Review: Significant Code Review, accessed 26 August 2019 includes private wire supplies within its scope.Coyne, B., Ofgem consults on major network charges review, small generators, storage and private wires in scope, published 13 March 2017, accessed 26 August 2019
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