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<p>The Electricity System Operator, (NGESO) has a legal obligation to provide a capability
to restore the electricity system in the event of its total or partial failure.</p><p>
</p><p>Under a new regulatory framework introduced in 2017, NGESO is required to submit
on an annual basis, a Restoration Strategy, which outlines how restoration will be
achieved in the short, medium (one to three-year time horizon) and long-term (beyond
three years), as well as a Procurement Methodology, which outlines how this approach
will be delivered.</p><p> </p><p>The Government regulator for gas and electricity
markets, Ofgem, is responsible for considering these methodologies and determining
whether these are sufficient, efficient and cost-effective.</p><p> </p><p>In order
to ensure that GB’s restoration capability evolves in line with the decarbonisation
and decentralisation of the electricity system, NGESO is undertaking a project to
develop and demonstrate new approaches to restore the electricity system from Distributed
Energy Resources. This will reduce the reliance on large, thermal, synchronous generation
for restoration services and increase competition in the market to deliver cost and
carbon emissions reductions.</p>
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