EVALUATION

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AN INDEPENDENT <strong>EVALUATION</strong> OF THE LCNF D.8 Storage SoLa BRISTOL Project Title SoLa BRISTOL Tier 2 DNO WPD Status Complete LCNF project funding £2.204m Project objectives "B.R.I.S.T.O.L." was the Buildings, Renewables and Integrated Storage, with Tariffs to Overcome network Limitations project. SoLa Bristol investigated the combination of home energy storage coupled with new variable tariffs and integrated network control. 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. The carbon benefits not specifically quantified. Evidence: One of the main project objectives was to ‘test the viability of integrating Low Carbon Technologies (LCTs) in a cost effective manner within the context of the Distribution Network’. There are also objectives around smarter grid technologies and use of DC to encourage customer energy efficiency. The LCNF Full Submission Pro-forma stated that it has been estimated that BRISTOL could displace 1,452.3 thousand tonnes of CO2 by connecting PV generation that would not be connected using conventional network reinforcement methods between 2015 and 2030. This is also stated in the Summary of the LCNF funds learning EATL report. However, actual, achieved carbon benefits are not specifically quantified at the end of the project – either in the closedown report or the final report. References: • SoLa BRISTOL project closedown report, 16th April 2016. • Summary of the LCNF funds learning EATL, April 2016. • Low Carbon Networks Fund; Full Submission Pro-forma. PÖYRY MANAGEMENT CONSULTING October 2016 713_Poyry_Report_Evaluation_of_the_LCNF_FINAL_Oct_2016_v700.docx 232
AN INDEPENDENT <strong>EVALUATION</strong> OF THE LCNF Has the potential to deliver net financial benefits to future and/or existing customers Generates knowledge that can be shared amongst all DNOs - 5 Assessment: Evidence that the project may deliver short-term financial benefits to a limited group of customers. Evidence: Conclusions: • Customers can make savings from the use of storage and solar panels. However, given the variability of savings it is difficult to say what the normal saving for a customer would be. • There is some evidence that Time of Use tariffs work in that there were some engaged customers who did modify behaviour to reduce their bills. References: • SoLa BRISTOL project closedown report, 16 th April 2016. Assessment: Specific replication report(s) exist. These cover the main technical / stakeholder aspects as applicable. Learning was disseminated with stakeholders at a number of events. Evidence: There is a section in the final report on system design and approvals. This is supported by a detailed design report, ’Confirmation of the SoLa BRISTOL design’. This report covers project specific descriptions, component information and supplementary information. However, these are mainly technical in nature and do not specifically cover commercial or stakeholder aspects. A separate customer engagement plan exists for the project. The closedown report states that a workshop was held with other DNOs in September 2015 to share results and thinking from the project. Since completion of the project, two events have been attended where findings of the project have been shared with stakeholders – London Grid & Storage Event (15 th March 2016) and Energy UK storage summit (28 th April 2016). Due to the findings of the project, it appears that a dedicated project closedown event would not have been appropriate. References: • SoLa BRISTOL project closedown report, 16 th April 2016. & SoLa BRISTOL final report, January 2016, re-issues 10 th March 2016 & Confirmation of the SoLa BRISTOL design report, September 2012. & SoLa BRISTOL Customer Engagement Plan, 18 th December 2013. PÖYRY MANAGEMENT CONSULTING October 2016 713_Poyry_Report_Evaluation_of_the_LCNF_FINAL_Oct_2016_v700.docx 233
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EVALUATION

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