Tariff Interoperability Arrangements Published
DESNZ Approves Implementation of Tariff Interoperability Arrangements within the REC The Department for Energy Security and Net Zero (DESNZ), supported by RECCo, has now published the Tariff Interoperability (TI) Phase 1a arrangements under the Smart Secure Electricity Systems (SSES) Programme. Tariff Interoperability will support consumer-led flexibility by standardising how electricity tariff pricing data is shared […]
Tariff Interoperability Consultation Webinar: Key takeaways and next steps
Catch up on RECCo and DESNZ’s webinar on the Tariff Interoperability Arrangements Consultation, including a walkthrough and live Q&A.
Join our Tariff Interoperability Consultation Webinar
Have your say This joint Tariff Interoperability Arrangements Consultation session, hosted by RECCo and the Department for Energy Security and Net Zero (DESNZ) on 17 December 2025 (11:30–12:30 GMT), is open to all REC Parties and industry stakeholders. The session will be co-led by Project Manager Kevin Redmond and Senior Responsible Owner Chris Stock, with input from DESNZ Policy […]
DESNZ confirms Tariff Data Specification host
DESNZ confirms the Retail Energy Code will host the Tariff Data Specification. What this means for suppliers, timelines, and next steps.