What you can expect and when from DSO services

The dates below list the types of publication in place for each of the three core delivery areas and their publication frequency.

Our current monthly releases of data and network intelligence will be further supplemented in ED2, giving customers all the information they need to plan their flexibility opportunities.

April

Market Data: Flexibility procurement statement and quarterly updates of Distribution System Operability Framework (DSOF), Network capacity heat maps, Network state data

Operational Data: Flexibility service requirements - weekly or daily as required

Forecasting Data: Quartlerley updated distributed generation mapping tool - API

June

Market Data: Updated long term development statements (LTDS), Network Development Plan (bi-annual by 1st May) and Load indicies submission (LI) - published on website

July 

Market Data: Quartlerly updates of Distribution Systerm Operability Framework (DSOF), Network capacity heat maps, Network state data

Operational Data: Flexibility tendering

Forecasting Data: Quarterly updated distribution generation mapping tool - API

September

Market Data: Updated network planning data (half yearly)

October

Market Data: Quarterly updates of Distribution System Operability Framework (DSOF), Network capacity heat maps, Network state data

Forecasting Data: Updated curtailment data published monthly from here. Also weekly outage data will be available from Q3 2023

November 

Market Data: Updated long term development statement (LTDS) published on website. 

Forecasting Data: Near real-time boundary flow data, quarterly update. 

January 

Market Data: Quarterly updates of Distribution System Operability Framework (DSOF), Network capacity heat maps, Network state data

Operational Data: Quarterly updated distributed generation mapping tool - API

Forecasting Data: Annual flexibility road map consultation and publication (SLC31E) Flexibility tendering

March 

Market Data: Distribution Future Energy Scenarios (DFES) published on website

Forecasting Data: Near real-time boundary flow data, quarterly update 

RIIO-ED2 onwards

As we progress through ED2 we will add to our reporting calendar using new data and processes that will emerge from the early years of DSO. Our website will remain up-to-date and host the latest materials as they become available, but we expect future publications to include:

• Near real time operational forecasting, from Q1 2024
• Annual API standards for market platform data flows, initially from 2023 and a common standard delivered by 2027 
• Daily flexibility market insight reporting, from Q1 2024
• Weekly/ daily contracted DER Reporting, from Q1 2025
• Flexibility services volumes, prices, and cost reports from Q1 2027