Battery & Energy Storage 29 th November 2017 The Slate at University of Warwick Faithful Chanda Innovation & Low Carbon Networks Engineer
Battery & Energy Storage Agenda Who we are Context Network issues Storage Projects: Industrial & Commercial Project LV Connect & Manage Solar Storage Conclusion
Industrial & Commercial Storage Project Western Power Distribution 7.8 Million customers over a 55,500 sq kms service area WPD network consists of 216,000 kms of overhead lines and underground cables, and 184,000 substations LV to 132kV Network ownership Network - East Midlands, West Midlands, South Wales, and South West
Battery & Energy Storage Context Network Issues Constrained and overloaded grid Reduction in centralised generation Rapidly increasing sale of EVs EVs are part of electrical energy systems Smart systems require control Climate change is happening New loads and load profiles on the grid Increase in distributed generation A strong future for distributed storage
Battery & Energy Storage A typical demand increase in EVs From the start of data collection (Q2, 2012) the cumulative Electric Vehicle (EV) data shows a sustained and dramatic growth of the EV car and van market In Q2, 2012, there were 3,000 registered EV s on the road By Q2, 2014, this had rose to over 10,000 After this time there was exponential growth The latest results Q3, 2016, shows 90,000 registered EV s
Battery & Energy Storage The future strategy for managing the grid Statement: There is an increase in demand for electric vehicles The grid can do one of three things to cope with this demand: Option 1: Introduce more capacity to the grid through generation and expand the networks capacity Option 2: Introduce more flexible generation in order to deal with spikes seen from chargers Option 3: Introduce local storage to greatly reduce the demand spike by using storage to deal with the ramp up of power Option 3 is the most cost effective for the network as options 1 & 2 both require the local, and eventually, the national network to be upgraded in order to handle the capacity increase / capacity potential.
Battery & Energy Storage Our response WPD Innovation Projects DSO Flexibility from Energy Storage Storage Solar Storage FALCON I&C Storage Connect&Manage SoLa BRISTOL Solar Storage Co-location with Solar DG. Testing revenue stacking conflicts and optimisation FALCON Assessment of DSO owned storage Technical and Commercial insight I&C Storage Co-location with larger demand customers Connection design options and DSR services SoLa BRISTOL In-home storage plus PV. DC networks. Community microgrid optimisation. Connect and Manage Integration of domestic storage (connection options) DSR revenue stacking and smart grid integration Grid Scale Domestic
Industrial & Commercial Storage Project
Industrial & Commercial Storage Project Project Aims & Objectives Promote innovation, flexibility and non-network solutions (50kW, 210kWh) Engage with Industrial and Commercial Customers to test Energy Storage Systems Determining the scope of terms and conditions and practical implications of using batteries on the LV networks Attitudinal analysis and performance assessment of participants within the commercial environment Development of new policies, processes and systems to support commercial deployment of Energy Storage Systems Provide knowledge to inform new regulations.
Industrial & Commercial Storage Project Trial sites Spilsby Cardiff Boston Taunton
Industrial & Commercial Storage Project Operating modes Varied test configurations at 4 WPD sites Spilsby Taunton Boston Cardiff Peak Shaving + PV integration Demonstrating Backup/Islanding Active control by WPD Own controller and scheduling tools UK Standard Battery Storage approach. Most common use case today in the UK At peak demand, storage can be used to eliminate peaks Sensing either grid failure or a simulation of grid failure the energy storage system then energises the selected maintained loads Flexibility and scalability for various trials -Operating the site at constant load, constant voltage, etc. FFR, Triad Avoidance and DUoS Charge reduction
Industrial & Commercial Storage Project Site works Delivery of the Energy Storage units to site (s) June 2017 Civil works Plinth all sites Electrical connections: Spilsby 27 th of July - No shutdown Boston 25 th of July - Shutdown for 3hrs Cardiff 29/30 th July. New busbar installed for connection due to insufficient capacity in existing DB Taunton Planned for November Commissioning: Spilsby 14 th August Boston 16 th August Cardiff 9 th October Taunton - December
In general we can use the Tesla Powerpacks for. Industrial & Commercial Storage Project Grid Support Energy Management Others Grid support 1. Load Shifting 2. Voltage support 3. Stability 4. Peak shaving Uninterruptible Power Supply Energy Management 1. Bulk Energy Trading 2. Arbitrage Original load profile Load profile after Powerpack Grid support 1. Primary & Secondary reserve 1. Emergency backup 2. Power Quality 2. Black Start 3. Load following/levelling
What does this mean to a customer? Industrial & Commercial Storage Project Deliver more options for customer connections through alternative connections develop an alternative connection agreement for behind-the-meter Triad avoidance Lower future DUoS charges due to the reduced reinforcement requirements Overall reduction in power consumption due to onsite generation Access to the flexible market Through storage customers can support the local grid independently and reduce strain on the network
LV Connect & Manage Project
Low carbon technology (LCT) connections on LV network: Trend for clustering Hard to predict and plan ahead reinforcement Traditional reinforcement is expensive and takes time Delayed customers connections Reverse Power Flow (RPF) impact on distribution network LV Connect and Manage
LV Connect and Manage LV Connect & Manage outline 1.7m NIA project (April 2016 - March 2019) Ability to provide more power during non peak hours Bi-directional power flow control via Domestic Load Controller (DLC) hardware Accelerate connection of LCTs (storage, EVs, heat pumps) Protect WPD assets from overload 6 distribution substations and 100 customers in Furzton, Milton Keynes (Energy Storage) and West Bridgford, Nottingham (EV chargers)
LV Connect and Manage Objectives The project objectives are to trial and demonstrate: Smart ANM solution for LV network Possibility of load management, as an alternative to network reinforcement BPL communication - Broadband over powerline (substation to customers homes) New business processes, based on proven, off-the-shelf technology, which can be quickly and cost effectively deployed
Customer benefits LV Connect and Manage Intelligent interface to accelerate connection of LCTs (storage, EVs, heat pumps) Avoid costly reinforcement Reduced amount of street works Provide flexibility to export more power during non peak hours or/and use stored energy in self consumption mode Consume energy in more sustainable, environmentally friendly way. Reduce amount of CO 2 emissions
LV Connect and Manage Hereford depot trial installation Customer side Demonstration of PV/battery export control Demonstration of EV charge control
LV Connect and Manage Hereford depot trial installation LV substation installation
LV Connect and Manage Project roll out Control & monitoring equipment is installed in 6 distribution substations: 942197 GRASSCROFT BLETCHLEY (FURZTON) 942196 PARKSIDE FURZTON 942183 PERRACOMBE FURZTON Customers engagement activities: Customer engagement meetings Leaflets Social networks Customer engagement video Website: www.wpdconnectandmanage.co.uk 881417 WEST BRIDGFORD RUGBY ROAD 881418 WEST BRIDGFORD COMPTON ACRES 881089 WEST BRIDGFORD HAWTHORNE PARK
LV Connect and Manage Customer installations - Storage 38/50 sign-ups in Milton Keynes, 14 installations to date
LV Connect and Manage Customer installations - EVs 27/50 sign-ups in Nottingham, 26 installations to date
Solar Storage Project
Solar Storage Project Project Overview Trial of a behind-the-meter battery energy storage system (300kW/600kWh) on a large solar site (1.3MW) in Somerset. Quantify benefits of nine use cases for both the DNO & battery owner. See how use cases be combined and revenues stacked. Explore routes to market challenges and rewards. Making the case for energy storage in new connection offers. Western Power Distribution 2017
Solar Storage Project Benefits split into 9 use cases Western Power Distribution 2017
Summary
Battery & Energy Storage Energy Storage Integration - Summary Innovation projects are developing Real world learning on storage operation Knowledge to adjust technical standards Alternative connection variants customer choice Challenges ahead Use of system charging Software interlocking of operational modes Open standards Cyber security
THANKS FOR LISTENING Faithful Chanda Western Power Distribution Innovation and Low Carbon Networks Engineer +44 7595 434811 fchanda@westernpower.co.uk wpdinnovation@westernpower.co.uk www.westernpowerinnovation.co.uk