Vehicle-to-grid technology allows EVs to do more than just charge, turning parked vehicles into mini power stations that send electricity back to the grid.
At a glance
Who: UK Power Network (UKPN); Octopus Energy.
What: The UK’s largest electricity distribution network UKPN is working with Octopus Energy to fast-track vehicle-to-grid (V2G) technology.
Why: To enable electric vehicles to send electricity back to the grid when it is needed most to power homes or support the network.
Where: A number of trials are taking place in the UK in Amersham, Worthing and Enfield with more to follow.
The UK’s largest electricity distribution network UK Power Network (UKPN) is working with Octopus Energy to fast-track vehicle-to-grid (V2G) technology.
V2G technology allows electric cars to do more than just charge, it means they can send electricity back to the grid when it’s needed most. This allows a car’s battery to help power homes or support the wider network during peak periods, turning parked vehicles into mini power stations.
Installing any low carbon technology (LCT) such as an electric vehicle charger or solar panels in the UK requires approval from the local network operator. While the national average for automatic approvals is 11 per cent, UK Power Networks already approves 80 per cent of LCT applications instantly – whether submitted online or via paper forms processed by AI.
The same approach is now being applied to V2G with it becoming the first network operator in the UK to approve new connection requests automatically within seconds, including for EV chargers that enable V2G.
“Instant approvals means we can focus on unlocking the full potential of V2G – turning parked cars into flexible, low‑carbon power sources”
There are a number of ongoing trials that give manufacturers a chance to test their equipment. UKPN is making sure everything is in place for a smooth scale-up, including coordinating any cabling upgrades that are needed. Where the local electricity is already prepared for extra connections, device installers receive approval by email.
UK Power Networks has also helped Octopus Energy teams meet all the necessary safety and technical standards. Trials are already happening with EV owners in Amersham, Worthing and Enfield, with more expected to join in the coming months.
“What makes this work so exciting is that it’s about innovation and collaboration as much as technology,” said Ashley Southgate, LCT strategy project manager at UK Power Networks. “By working closely with Octopus Energy, we’ve been able to safely approve V2G connections automatically – a UK first.
“It’s a real step forward in showing how networks can enable innovation while maintaining high safety and performance standards.”
Michael Evans, director of optimisation and V2G at Octopus Energy Group, added: “Quick and easy grid connections are crucial to making V2G a commercial reality, and UK Power Networks has provided key support to streamline the process. Instant approvals means we can focus on unlocking the full potential of V2G – turning parked cars into flexible, low‑carbon power sources.”
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