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Network March 2018

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Tim Rotheray, director, Association for Decentralised Energy Tim was appointed director of the ADE in August 2013 having previously led the team as head of policy and communications. Tim is responsible for the development and implementation of the Association's vision for the energy system and oversees the Association's strategic relationships with members, government, regulators and wider stakeholders. Tim joined the ADE as policy manager at the beginning of 2010 from the Micropower Council where he also held a policy role. During his time in the sustainable energy sector, Tim has also worked for the National Assembly for Wales where he researched the renewable energy potential and barriers in Wales. Mark Thompson, senior innovation lead – energy systems, Innovate UK Mark joined Innovate UK in February 2015 and leads its energy system programme. He has a back- ground in engineering, manufacturing, technology commercialisation and for the last seven years in energy network and energy system innovation. His specific areas of activity and expertise are: Supporting the development of innovations that enable greater energy system flexibility, including smart grids, storage, and demand side response. Developing opportunities for electric and plug- in vehicles as transport and the energy system converge, including leading the recent £30m vehi - cle to grid innovation funding competition. Energy user behaviour and increasing their engagement in the energy system. An Innovate UK lead on the international agenda and leading on the development of inter - national innovation partnering in energy systems. Joss Clarke, head of stakeholder and external communications, RIIO T2 – National Grid Joss Clarke has more than 15 years` experience in the energy industry with National Grid. Having lead the EU & UK public affairs out of London and Brussels until last September when he moved to set up a new team focusing on building a new approach to Grid's stakeholder engagement pro- gramme for RIIO T2. Prior to this Joss worked in the telecoms sector developing competitor telecom networks in South America with a focus on Brazil, Argentina and Chile. NETWORK / 10 / MARCH 2018 Christopher McCarthy (managing director–EMEA) and Christopher Watts (regulatory affairs director), at S&C Electric Company, discuss the reasons why short-interruption incentives would aid renewable generation. Power reliability is growing in importance as consumers rely on electricity always being available. Distributed generation (DG) and electric vehicles create new challenges for protecting and controlling the power grid. Great Britain's reliability incentives were introduced in 2002, when there was almost no DG, and all domestic and commercial customers had the same weighting. Over 50 per cent of renewable capacity is now connected to the distribution network, and this will increase. Worldwide, short interruptions, are becoming less tolerable. Even a short-interruption of five seconds can trip generation, and it takes minutes to restart and reconnect meaning that: l The renewable resource is unable to export l Demand previously met by distributed generation now must be met through additional reserve from conventional generators l Distribution-network loading under the planning standard, has to be managed in a way that does not take DG into account. We consider that, in addition to customer interruptions (CI) and customer minutes lost (CML) incentives, which are targeted at load-based customers, there should be a measure of distributed generation interruptions (DGI) and distributed generation minutes lost (DGML). This creates a broader incentive that includes the effects of both short and sustained interruptions. Technologies such as sectionalisers have been successful in reducing CI and CML, but result in high numbers of short interruptions because they don't contain the area affected by the fault. The measures of short interruptions are indicating a significant increase, but this is likely understated and does not capture the extent of the impact on DG. I N D U S T RY I N S I G H T EDITORIAL BOARD Short-interruption incentives aid renewable generation

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