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Ipswich study demonstrates potential of behind the meter storage

Dan Starman Senior Consultant

In 2018, BEIS provided funding to support a range of Flexibility Market Feasibility Studies. Pixie Energy, as part of a consortium including Ipswich Borough Council and Suffolk County Council, led a study based on Ipswich. Here we outline some of the project’s key findings. The study The Ipswich Local Supply Community Assessment Project (‘the Project’) set out to analyse mechanisms to exploit electricity flexibility at the household level. It is modelling local demand and testing the impact of adding solar and storage behind the consumer’s meter using representative consumption data for different types of consumer (“archetypes”). It also explored how emerging demand-side response (DSR) techniques and programmed market initiatives, including the introduction of half hourly settlement (HHS) combined with time-of-use (ToU) retail pricing, can enhance flexibility and support local system resilience. Ipswich had over 133,000 residents at the time of the 2011 census, with over 154,000 expected by the 2031 census. The total electricity demand of the Ipswich Borough Council area is 523.3GWh. Market context The current electricity market structure and charging methodologies do not presently incentivise flexible local markets. They are predicated on a national top-down utility-scale generation model whereby the networks have sufficient capacity to distribute the power to customers connected at low voltage. The electricity industry is undergoing a transition to a smart, flexible system centred on a distribution system operator (DSO), recognising that increasing levels of distributed generation are resulting in the need to more actively manage distribution networks. Approximately 29% of the population ...

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