This certification is the most widely adopted communications standard between distributed energy resources (DER). It enables Nuvve's GIVe V2G platform to connect and communicate with the leading distributed energy resources management systems (DERMS). The company chose to utilise Congruence.IQ software by Tantalus Systems, a smart grid technology company, focused on helping build sustainable utilities, to assist with this certification process.

Nuvve chose Tantalus to facilitate the SunSpec certification process of its innovative V2G bi-directional charging solution due to Tantalus' extensive and proven experience with utility data interoperability. 

Nuvve's V2G technology works by allowing vehicle batteries to charge during the day when energy — particularly renewable energy such as solar — is abundant and discharge during times of high demand or when sources of renewable power are less available. 

Nuvve's GIVe platform aggregates electric vehicle batteries across multiple sites and fleets to form a virtual power plant. Utilities and other load serving entities (LSEs) can now draw upon the excess stored electricity in Nuvve-managed EV batteries during periods of peak load. 

Fleet operators can also offset their fleet electrification costs through revenues from their electricity exports; utilities and transmission system operators can maintain grid reliability as millions of electric vehicles come online as storage resources and not just additional load.