UL Solutions V2G Certification Program Supports EV Charging

UL Solutions Launches V2G Certification Program

UL Solutions has introduced a new UL Solutions V2G certification program designed to support vehicle-to-grid technologies that allow electric vehicles to return stored electricity to the power grid. The program addresses bidirectional EV charging equipment and gives manufacturers a way to demonstrate compliance with applicable safety, performance, and utility interconnection requirements. The certification is based on UL 1741 Supplement SC and can support systems using vehicles equipped with bidirectional inverters that have been tested to SAE J3072. The initiative focuses on certification needs associated with V2G systems as manufacturers and utilities develop technologies capable of moving electricity in both directions.

V2G Certification Covers Bidirectional Charging Requirements

The certification program covers bidirectional EV charging equipment used in vehicle-to-grid applications, where electricity stored in an electric vehicle can be supplied back to the grid. By addressing safety, performance, and utility interconnection requirements, the program provides manufacturers with testing and certification services relevant to the deployment of these systems. Its technical basis is UL 1741 Supplement SC, while supported systems can incorporate vehicles equipped with bidirectional inverters tested to SAE J3072. This combination connects the charging equipment certification process with established technical requirements for bidirectional operation, helping manufacturers demonstrate that their V2G systems meet applicable criteria before broader deployment.

V2G Technology Supports Grid Flexibility

The development of vehicle-to-grid systems comes as electricity demand increases across data centers, transportation, buildings, and industry. V2G technologies can allow utilities to use electricity stored in electric vehicles as part of demand-management strategies, potentially improving flexibility in how electricity supply and demand are balanced. The technology therefore connects electric vehicle charging with broader grid-management requirements, particularly where bidirectional power flows are supported. For manufacturers, certification can provide a structured way to demonstrate compliance for equipment intended to participate in these applications, while utilities can use certified equipment as part of systems designed around changing electricity-demand conditions.

UL Solutions Expands V2G Testing Services

UL Solutions is offering testing and certification services for V2G technologies at its laboratories in Fremont, California, and Northbrook, Illinois. These facilities provide locations where manufacturers can pursue evaluation of bidirectional EV charging equipment under the certification program. The availability of testing and certification services is relevant to companies developing systems that must address both equipment performance and utility interconnection considerations. As V2G deployment develops, manufacturers can use the certification process to demonstrate compliance with the applicable requirements identified by the program, while the underlying standards provide the technical framework for evaluating systems designed to transfer stored vehicle electricity back to the grid.

Industry Impact & Outlook

The certification program could help standardize the evaluation of bidirectional charging equipment as vehicle-to-grid systems move toward broader practical use. Its focus on safety, performance, and utility interconnection places attention on requirements that affect manufacturers, charging-system developers, and utilities involved in connecting EV-based energy resources to the grid. The use of UL 1741 Supplement SC and support for vehicles with bidirectional inverters tested to SAE J3072 also provides a defined technical basis for evaluation. With electricity demand rising across multiple sectors, the availability of certification services may support further development of V2G systems intended to provide utilities with additional demand-management and grid-flexibility capabilities.

Frequently Asked Questions

What is the UL Solutions V2G certification program?
UL Solutions' program provides testing and certification for vehicle-to-grid systems that enable electric vehicles to send stored electricity back to the power grid. It covers bidirectional EV charging equipment and addresses safety, performance, and utility interconnection requirements for supported systems. The certification is based on UL 1741 Supplement SC and can support systems using vehicles with bidirectional inverters tested to SAE J3072. Testing and certification services are available through UL Solutions laboratories in Fremont, California, and Northbrook, Illinois.