EVALUATION

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AN INDEPENDENT <strong>EVALUATION</strong> OF THE LCNF Focuses on network methods that are at the trialling stage 3 Assessment:4 Solution moved to TRL7 (system prototype demonstrated in operational environment), or commercial solution demonstrated in operational environment. Evidence: TRL is not specifically mentioned in the closedown report. Considered that technology is at least at TRL 7 (technology validated in relevant environment). Commercial arrangements are being looked at as part of the Tier 2 Smarter Network Storage project. References: • First tier project registration pro-forma • Demonstrating the benefits of short-term discharge energy storage on an 11kV distribution network; Close down report; June 2014. PÖYRY MANAGEMENT CONSULTING October 2016 713_Poyry_Report_Evaluation_of_the_LCNF_FINAL_Oct_2016_v700.docx 300
AN INDEPENDENT <strong>EVALUATION</strong> OF THE LCNF LV Network Connected Energy Storage Project Title LV Network Connected Energy Storage Tier 1 DNO SSE Status Complete LCNF project funding £310,000 Project objectives • Prove the batteries and power conversion units can operate as intended on an LV network in the UK and have a tangible benefit electrically. • Inform the establishment of the economic threshold for this technology. • Validate the technical specification to inform and de-risk the tendering exercise for the Tier 2 project. • Define, test and prove the communications and the associated data transfer requirements for this small trial and inform that required for a larger array. • Inform the safety case and the operational procedures including installation, maintenance and operational work on a network with storage connected (faults, protection. live working, safety procedures etc.) • Inform decisions regarding the physical location of storage devices given public perception and acceptance. Assessment Criteria Accelerates the development of a low carbon energy sector Score (1-5) 4 Overview of assessment, sources of evidence and comments Assessment: The project clearly facilitates the connection of low carbon generation or demand. Evidence: The study was carried out to determine the potential benefits, practicalities and costs of installing electrical energy storage (ESS) connected via 4 quadrant power conversion systems (PCS) on the LV network. The ESS units with associated PCS have the potential to aid power quality, to manage reactive power flows and to reduce the peak demand / peak generation real power flows, through peak lopping. This has the potential to delay or reduce the need for traditional network reinforcement, thereby preventing the local DNO network from becoming a barrier to the deployment of low carbon technologies. References: • Low Voltage Connected Energy Storage closedown report; 2014. PÖYRY MANAGEMENT CONSULTING October 2016 713_Poyry_Report_Evaluation_of_the_LCNF_FINAL_Oct_2016_v700.docx 301
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EVALUATION

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