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V2G/VGI

A decade of in-market experience with V2G/VGI

While the electrification of transports is required to achieve carbon neutrality, the mass adoption of EVs may strain the grid, as many users start charging their vehicles at around the same time and renewable-based energy productions have the problem of intermittency which requires flexible energy sources to complement.

The bi-directional EV charging function, typically called vehicle-to-grid (V2G) or vehicle-grid-integration (VGI), can avoid such power congestions and ensure the efficient integration of renewable energy sources.

Today, CHAdeMO is the only charging protocol in the world with the bidirectional charging (V2G) functionality enabled, with mass-market production and the certification system in place to ensure interoperability across EVs and V2G devices. To date, there are more than 20 bi-directional charger models available and over 10,000 such units are installed in Japan and the world.

VGI applications

V2L
V2L (Vehicle to load) to provide power at camping/construction sites and other mobile energy source needs such as in case of an emergency
V2H
V2H (Vehicle to home) to optimise home energy management, especially effective when combined with PV and/or heat pumps and/or storage battery
V2B
V2B (Vehicle to building) the same as V2H for office /collective residential buildings
V2G
V2G (Vehicle to grid) to provide advanced services to the grid, typically via an aggregator

CHAdeMO-based V2G demo projects

Projects using V2G capacities of CHAdeMO protocol have been going on around the world since 2012. Recently, their scale and numbers have been growing, with more and more initiatives in Europe and the US. These demonstration projects provide valuable findings and data for large scale market deployment of V2H/ V2G technology.

Australia
Realising EV to Grid Services
Belgium
V2G Zelzate
Canada
PowerStream / Peak Drive
Denmark
SACES Project
Finland
Suvilahti Pilot
France
Nissan HQ Project / GridMotion
Germany
i-rEzEPT Project / Redispatch V2G
Italy
Genoa Pilot
Japan
Yokohama Smart City Project / Leaf to Home
Netherlands
Amsterdam Smart City Project / NewMotion V2G Project / Direct Solar DC V2G Hub / Share the Sun Project
Singapore
MASERA Microgrid Project
Spain
Grow Smarter
UK
Nissan-Enel Project / Domestic Energy Balancing EV Charging Trial / Electric Nation V2G Trial / V2X By Marubeni / EV-elocity / e4Future / Bus2Grid / V2Go! / Smart HUBs / e-flex / Powerloop
USA
LA Air Force Base / UCSD Invent
Norway, UK, Netherlands, Belgium, Germany
SEEV4-City
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