The 'i-rEzEPT' project for the integration of electric vehicles into public and private electricity grids is delivering impressive interim results. For about a year, the project participants have been using a Nissan LEAF not only to meet their mobility needs, but also to use the electric car as a temporary storage unit for the electricity they generate themselves via a photovoltaic system.
In a short film, the project partners draw a first preliminary conclusion.
See details at: https://www.now-gmbh.de/en/news/pressreleases/i-rezept-vehicle-to-grid-project-impresses-with-first-interim-results/
Within the scope of the field trial, e-car pioneer
The participants take advantage of the Nissan LEAF's special ability to perform bidirectional charging, often referred to as vehicle-to-grid technology (V2G for short): The vehicles can store surplus solar energy generated on the roofs of houses in their batteries and later release it to the household or feed it into the public grid as needed.
'i-rEzEPT' was launched by
'Electric cars should be charged when electricity from wind or solar power is available,' says
The interaction between the LEAF and the home power grid is coordinated by a local energy manager from project partner
'The data is necessary to obtain a scientifically supported statement about the business model of bidirectional charging and to identify potential user groups,' says
'Especially against the backdrop of an increasing number of people working from home, there is huge potential here to use renewable energy efficiently and reduce emissions in transport,' adds Vincent Ricoux from
The project name 'i-rEzEPT' stands for 'Intelligent power recovery-capable electric vehicles for self-power maximisation and primary balancing power market participation' (German: 'Intelligente Ruckspeisefahige Elektrofahrzeuge zur Eigenstrommaximierung und Primarregelleistungsmarkt-Teilnahme'). With the project, the initiators are striving to further promote the proliferation and acceptance of electric vehicles and also to highlight the role that electric cars can play in stabilising both public and private power grids.
However, until an affordable V2G system for end consumers can be put into practice, the legal basis, among other things, has yet to be established. This can then serve as the springboard for the development of innovative products that offer a competitive alternative to stationary battery storage.
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