The National Electrical Manufacturers Association (NEMA) has released a new standard for Electric Vehicle Supply Equipment (EVSE) Power Export, aiming to facilitate Vehicle-to-Grid (V2G) technology. This standard provides a unified blueprint for the bidirectional flow of power between EVs and the grid or home.
V2G technology offers the potential to leverage EVs as grid-scale batteries, supporting renewable energy integration. However, widespread adoption hinges on utilities and regulators designing attractive compensation models for vehicle owners.
While the standard addresses the technical aspects, financial incentives are crucial to encourage participation. NEMA suggests the potential for EVs to store energy during off-peak hours and sell it back during peak times, generating profit for owners.
While the standard itself is not publicly accessible, NEMA highlights its potential to enable money-making opportunities for EV owners. The article further references previous articles discussing the challenges and opportunities surrounding V2G systems and home-scale power backup solutions using repurposed EV batteries.
Vehicle-to-grid (V2G) has been hailed as one of the greatest advantages of electrifying transportation, but has so far remained mostly in the lab. Hoping to move things forward, the National Electrical Manufacturers Association (NEMA) has released the Electric Vehicle Supply Equipment (EVSE) Power Export Permitting Standard.
The new standards will allow vehicle manufacturers and charger (EVSE) suppliers to have a unified blueprint for sending power back and forth to the grid or the home, which has been a bit of a stumbling block so far toward adoption of a seemingly simple, but not easy, technology. As renewables make up a larger percentage of the grid, using the increasing number of EVs on the road as battery backup is a convenient solution.
While the standard will simplify the technology side of bidirectional charging, getting vehicle owners to opt into backing up the grid will depend on utilities and regulators developing attractive remuneration plans. Unfortunately, the standard itself is paywalled, but NEMA says the standard “could put money back in electric vehicle owners’ pockets by making it easier for cars to store energy at night or when turned off and then sell power back to grids at a profit during peak hours.”
We’ve covered some of the challenges and opportunities of V2G systems in the past and if you want something a little smaller scale, how about using a battery that was once in a vehicle to backup your own home?
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