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What is Energy Superhub Oxford (ESO)?
The Energy Superhub Oxford (ESO) is one of four demonstrator projects part-funded by the UK government’s Industrial Strategy Challenge Fund under its “Prospering from the Energy Revolution” (PFER) programme. ESO is a world-first project which aims to demonstrate the benefits of smart local energy systems through combining technological innovation in transport, heat and power, creating a model for cities around the world to cut carbon and improve air quality.
What are the benefits of ESO?
ESO is helping Oxford City Council’s journey to zero carbon. By showcasing cutting-edge electric vehicle charging, energy storage systems, and low carbon heating, plus smart energy management technologies, it aims to save 10,000 tonnes of CO2 per year by 2021, rising to 25,000 tonnes per year by 2032.
How many EV chargepoints will the project install?
ESO will provide up to 25MW for EV charging which is enough power for over 100 ultra-rapid chargers. Initially there will be 20 rapid (DC) chargers and 30 Fast (AC) chargers at Redbridge Park & Ride, available to the public. These will be operated by several Charge Point Operators.
Where will the EV chargepoints be sited?
Chargepoints will be sited at Oxford City Council locations to enable the council to electrify a range of vehicles, from cars and vans through to tipper trucks. A public superhub will be created at Redbridge Park & Ride offering 50 chargepoints for public use.
The ESO team are also in discussions with local bus operators, taxi firms and businesses to assess how and where the project could deliver additional capacity to support the electrification of transport across the city.
How quickly can I charge my car?
ESO will install 50 public chargepoints at Redbridge Park & Ride catering for the full range of vehicles. There will be 20 ultra-rapid DC chargers, capable of charging a car in 15-20 minutes, and 30 fast AC chargers which can charge a car over a period of hours, for example while Park & Ride users are visiting the city centre.
What kind of ‘smart’ EV charging is the project demonstrating?
EV charging will be managed by a central Optimisation and Trading Engine which will decide when to charge which of the Council’s fleet vehicles to optimise fleet costs. It will also control the hybrid battery energy storage system to ensure charging takes place when electricity is cheap, clean and plentiful.
What sort of battery is the project using?
The project will create a world-first hybrid battery energy storage system that combines the high-power capabilities of lithium-ion batteries with the longer-duration, non-degrading characteristics of vanadium flow batteries.
Where is the battery going?
The battery will be sited to the South East of Oxford alongside the National Grid Cowley substation.
What is a flow battery?
Flow batteries have different characteristics to lithium-ion batteries providing longer-duration storage capabilities with limited degradation. The technology uses the flow of vanadium electrolyte across an ion exchange membrane. In a world-first ESO is combining the two technologies to create a hybrid battery energy storage system which can leverage the capabilities of both systems to maximise benefits to the electricity grid and users.
Is the battery charging the EVs?
No, EVs will charge directly from the high voltage power network, which will deliver massive amounts of power where and when it is needed to enable mass-scale, rapid EV charging.