Distributed Generation HV & EHV London Workshop 21 November 2019
Introduction Mark Williamson 2
Connection Getting DG Heat Map Offer Interactivity Connected Welcome & Agenda Expenses: Tool Process in the North Introduction Feedback on Demonstration West Options Lunch 12.30 Our Accelerated Question & Your Post Engineering Wrap Up & Loss of Mains Commitments Answer Acceptance Recommend’n Close & Change Session Journey G99 Engagement Programme
What do we want from you today? • One word – Feedback! • Use the feedback forms and give us your honest opinion • Contact the ICE team or your usual contacts in ENWL at any time to give us feedback • ice@enwl.co.uk 4
Domestic Arrangements • Don’t forget to sign in! • Toilets situated outside of Morris Suite • No Fire Alarms planned for the day • Floor plans highlight evacuation point • Emergency Assembly Point – Tavistock Square (right hand side of venue) • Mobile Phones • Photography will be taken during the event • Reminder – we have a delegate with a severe nut allergy 5
Meet the Team Victoria Brown Mark Williamson Brian Hoy Steffan Jones Ma Head of Market Infrastructure Energy Solutions Bid Engineer Solutions Manager Regulation Director Steffan joined Electricity North West in 2014 as the Infrastructure Solutions Mark is a chartered engineer with over 30 Brian has over 30 years of experience Victoria joined Electricity North West in Victoria started at Electricity North West Manager, heading up both the Grid and years experience in the electricity supply working in the electricity industry. 2014 after graduating from university. straight from university in 2014. She began industry. He is responsible for all new Primary Connections team and the Asset He has an engineering background but has As a Bid Engineer within the Grid and working as a Trainee Bid Engineer within Diversions team. During his 24 year connections to the Electricity North West worked in the regulatory aspects of new Primary Bid Team, Victoria is the Grid and Primary connections team in career he has worked in both heavy network in the North West of England. In connections for a number of years. Brian responsible for estimating and quoting July 2017, which she recently completed in industry and commercial contracting addition, via our ENWL Construction and represents Electricity North West on Generation connections >1MW. December of last year. roles as well as the electrical utility Maintenance Ltd division provides control, connections related matters and leads a operation, maintenance and construction sector. Steffan looks to bring this number of national industry groups. experience to enhance the customer services for customer’s with private high journey throughout the delivery of and low voltage networks. Infrastructure Solutions projects. 6
Meet the Team John Carlisle Hannah Sharratt Tracey Taylor Peter Barlow Ma hbh Delivery Manager- Infrastructure Solutions Connections Stakeholder Programme Manager- Business Connections Programme Manager Engagement and Grid and Primary Lakes Regulation Manager Gregg manages the secondary networks Mark is a chartered engineer with over Tracey joined Electricity North West 31 John is the Delivery Programme Manager Lois works within the Capacity Strategy Land Rights and Consents team in Cumbria Peter joined Electricity North West in 30 years experience in the electricity for our Grid and Primary Connections team. years ago and currently works within the Hannah has 20+ years experience in team. Her role is centred around flexible and north Lancashire. Greg’s team 2017 as a Programme Manager for supply industry. He is responsible for Business Connections Team as John is an Incorporated Engineer with the the Utility industry in programme, services and contracted capacity, negotiate all of the legal consents and land Infrastructure Solutions. He leads the Bid all new connections to the ENWL Institute of Engineering and Technology Construction and Delivery Manager rights necessary to maintain and develop project and change management helping to find innovative alternatives Team within Grid and Primary network in the North West of England. (IET) and a registered member of the responsible for delivering DG and Electricity North West’s electricity connections. His background is in roles. Hannah is currently focusing on to traditional reinforcement solutions. In addition, via our ENWL Construction Demand Connections at LV And HV within Association of Project Management (APM). distribution network. His team also Mechanical Engineering, previously our Connections stakeholder This is a key activity within the industry, and Maintenance Ltd division provides John and his team are responsible for the the North area. Her focus is ensuring the negotiate and settle all land damage claims working in Energy Markets as a Sales engagement activity and is committed which aims to keep customers bills team are effectively managing the delivery of all new connections on the 33KV control, operation, maintenance and caused by works on privately owned land Manager, predominately in Oil & Gas, and to delivering real and lasting down, as well as boosting revenue for and 132KV networks, inclusive of all construction and energisation of construction services for customer’s and are responsible for maintaining good Offshore Renewables (Wind, Wave, and enhancements to our stakeholder participating customers. connections in line with customer demand and generation projects . with private high and low voltage working relationships with ENWL’s grantors Tidal Power). experience. expectations during the delivery stage. networks. in the north of the region. 7
Getting DG Connected in the North West Victoria Brown
An Overview of the DG Connection Process Connection Offer Issue & Construction Energisation Pre Application Application Acceptance & Design Customer can An application is Following receipt of Following receipt of The connection is approach ENWL for received from the an acceptance, the the Application, a energised, following information on the Customer for a DG project moves to the Connection Offer is successful feasibility of a connection. Construction and issued to the completion of all connection before Design phase. Customer. The Offer required connection applying, or they can is then available for works. use the ENWL heat acceptance within map. the Validity Period of the Offer. 9
Application Types Formal Budget Gen Plus Offer Advantages Disadvantages Advantages Disadvantages Advantages Disadvantages • Open to • Fee of £1,000 + • Budget letter within • Fee of £500 + VAT for • No Cost Associated • High Level Desktop Acceptance – secure VAT 30 working days, early the budget assessment • Short timescales- Assessment – • Then a further capacity for the • Maximum indication whether the Network Modelling is max 20 working days requested connection is viable £1,000 + VAT if not undertaken timescale of 65 • Gives an early technology and size progress to a Formal • Network assessment • Cannot be accepted working days to indication whether a • Network Modelling Application issue the Offer undertaken for the or progressed to a connection will be is undertaken to • No early indication budget element Formal Application – cost prohibitive determine the no ability to retain • Up to 6 options of viability/cost of impact on the ENWL start date the requested (export/technology) network connection for one site • Start date is retained for the formal offer if pursued within 7 days 10
Distribution Constraints There are common constraints that can be encountered across the ENWL network, which can have an impact on Connection Applications, either through Reinforcement or on the Point of Connection. Voltage Step Voltage Drop or Fault Level Thermal Power Swing Change Rise • Distribution Code / • Encountered in areas of the • All generation has • Thermal constraints • Occurs when P28 highlight Network where there are a some FL contribution – arise where the Network connecting into a acceptable limits. large number of connected Synchronous generation has insufficient capacity heavily/lightly loaded and/or proposed battery • If a proposed will contribute more to accommodate the circuit or for storage connections connection causes a than Asynchronous requested generation. connections with a long • Caused when ‘swinging’ from voltage step change • Can potentially be • Thermal constraints can cable route. outside these limits, the import to export and vice • POCs that exceed mitigated by ENWL or by sometimes be mitigated POC will be discounted versa the Generator with network acceptable levels will be • A swing of >3% on ENWL • POC will be discounted reinforcement eg discounted switchgear will be discounted. overhead line restringing if the proposed DG • A swing >3% at Generator’s • Thermal constraints can causes a FL exceedance node can be offered subject to sometimes be mitigated the Generator’s agreement with export limitation 11
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