This dataset contains information about reactive compensation equipment.To view or download this data, please register or login.
This dataset contains information regarding transformer changes.To view or download this data, please register or login.
This dataset contains information about changes to reactive compensation equipment.To view or download this data, please register or login.
Contract Award Notices as found on 'Find A Tender' .
This dataset contains the results of the data triage process.
Summary of data triages
A Distribution Future Energy Scenarios (DFES) analysis for both the North of Scotland (SHEPD) and Southern England (SEPD) distribution network licence areas. LCT uptake scenario projections for EVs, electricity fuelled heating technologies and domestic rooftop solar PV capacity to secondary substation and feeder level, year by year, out to 2050.
This dataset contains data about transmission circuits for year 2022/23.To view or download this data, please register or login.
This dataset contains information about changes to transmission circuits for years 2023/24 to 2031/32.To view or download this data, please register or login.
This dataset contains information about summer fault level.To view or download this data, please register or login.
This dataset contains data about Winter Transmission fault levels.To view or download this data, please register or login.
This dataset contains information about fault levels for Winter 2028/29.To view or download this data, please register or login.
This dataset contains data about transmission circuits for year 2023/24.To view or download this data, please register or login.
This dataset contains data about transmission transformers for year 2023/24.To view or download this data, please register or login.
This dataset contains data about changes to transmission circuits for years 2024/25 to 2031/32.To view or download this data, please register or login.
This dataset contains data regarding transformer changes for years 2024/25 to years 2031/32.To view or download this data, please register or login.
This dataset contains information about summer fault levels for 2023/24.To view or download this data, please register or login.
This dataset contains data about transmission winter fault levels for year 2028/29.To view or download this data, please register or login.
This dataset contains data about fault levels for winter 2031/32.To view or download this data, please register or login.
The Embedded Capacity Register (ECR) has been developed to provide better information to electricity network stakeholders on connected resources and network requirements. Each Distribution Network Operator (DNO) will host a register which will provide accessible information at a local and national level. The register uses a format agreed through the Energy Networks Association's Open Networks project, an industry initiative aimed at transforming the operation of energy networks and delivering a smart grid. Our register provides information on generation and storage resources (>=50kW) that are connected, or accepted to connect, to the electricity distribution networks owned and operated by us and it will be updated on a monthly basis. The register also includes information on the flexibility services that are being provided by connected resources, assisting to control or schedule demand and/or generation to reduce network constraints.
This statement by SSEN provides the Exceeded Import Curtailment Price and Exceeded Export Curtailment Price using flexibility market data which has been determined in accordance with this Schedule 2D of the DCUSA. Separate statements are published for the SEPD and SHEPD Licence Areas.
Outcomes of procurement activity and list of contracts from various parties to provide flexibility services.
Our Generation Availability and Contracted demand map for both north and south. Our map provides an indication of the networks capability to connect large-scale developments to major substations. Accompanying the map, the heat map spreadsheets for both of our network regions provides Grid Supply Point (GSP) details, GSP and substation transformer ratings, Fault level information, and contracted and quoted generation projects at each GSP.
Shapefiles containing the geographical representation of the GSP and BSP approximate supply areas for SEPD & SHEPD. These areas are formed by aggregating the primary substation boundaries that are supplied by each BSP/GSP (also available on the portal).
Isle of Wight ANM Live provides real time information on the status of the ANM systems. It has been designed to help ANM generators understand when the system is operating as expected and when there may be faults. Isle of Wight Electricity Demand: The graph shows the live demand for electricity as a proportion of the winter peak demand. The peak winter demand is a static figure that is reviewed annually by Southern Electric Power Distribution (SEPD) Isle of Wight Renewable Generation: The graph also shows the total live Isle of Wight renewable generation as a proportion of the total renewable capacity. The generation can be greater than the live demand, which means the excess will be exported to the English mainland. The additional renewable generation attributable to the Isle of Wight ANM system is shown as a proportion of the total renewable generation. The total renewable generation does not include the micro generation (<50kw) installed on the network.
The NaFIRS Yearly Export is an annual export to a report file of the details of planned and unplanned outages on the SHEPD and SEPD distribution networks reported under the National Fault and Interruption Reporting Scheme (NaFIRS).
The Near Real-time Data Access (NeRDA) Portal aims to examine how near real-time energy demand and usage data can be best used by stakeholders. The data identifies areas where flexibility could be used or where network reinforcement will be needed. NeRDA is intended to provide open data and share electricity demand estimates with stakeholders. The Portal currently contains EHV/HV datasets from SCADA, LV datasets from LV Monitoring devices, and Load modelling data. There are two ways to access the data using the NeRDA Portal: navigating to and around substations within the Portal itself or via API Access.
Orkney Live provides real time information on the status of the Active Network Management System. Orkney Islands Electricity Demand: The graph shows the live demand for electricity as a proportion of the winter peak demand. The peak winter demand is a static figure that is reviewed annually by Scottish Hydro Electric Power Distribution (SHEPD). Orkney Islands Renewable Generation: The graph also shows the total live Orkney Islands renewable generation as a proportion of the total renewable capacity. The generation can be greater than the live demand, which means that the excess will be exported to the Scottish Mainland. The additional renewable generation attributable to the Orkney ANM system is shown as a proportion of the total renewable generation. The total renewable generation does not include the significant amount of microgeneration (< 50 kW) installed on the network.
Shapefile containing SSEN Transmission Grid Overhead Lines.To view or download this data, please register or login.
Shapefile containing SSEN Transmission Supergrid Overhead Lines.To view or download this data, please register or login.
Shapefile containing SSEN Transmission Grid Poles.To view or download this data, please register or login.
Shapefiles containing the geographical representation of the Primary Substation Boundaries for SEPD & SHEPD. The primary substation areas are formed from Voronoi polygons based off the point locations of all the secondary substations fed by a given primary substation. This means that every point in a polygon is closest geographically to the assigned secondary substation. The secondary substation polygons are then dissolved with respect to the primary they are connected to form the primary supply areas.
The map-based Powertrack tool allows our customers to get access to near-realtime outage data on the SSEN Distribution Network. This includes Planned and Unplanned Outages as well as some supporting information on affected postcodes and reasons for the outage.
The Long Term Development statements provide information for anyone connecting to our distribution system at extra high voltage (EHV) level (including HV busbar of primary substations). It is designed to help to identify and evaluate opportunities for entering into arrangements with us relating to use of system or connection. Our statements include the following: network data; the likely development of our distribution system; plans for modifying the distribution system; and identification of parts of the distribution system that are likely to reach capacity limit in the next years. A long term development statement is available for each of our distribution network areas in central southern England and northern Scotland. Each statement has two sections, a summary (Part 1) and a detailed section (Part 2) both of which are available for download below.
This is Scottish and Southern Electricity Networks (SSEN) Distribution's first Network Development Report and is part of a suite of new information that sets out our longer-term Network Development Plans for our distribution networks. It gives users access to information pertaining to our network plans for the next ten years in relation to our 11 kV networks and above, allowing all interested parties to better assess and identify the future opportunities to use and engage with us and the network.
The Long Term Development statements provide information for anyone connecting to our distribution system at extra high voltage (EHV) level (including HV busbar of primary substations). It is designed to help to identify and evaluate opportunities for entering into arrangements with us relating to use of system or connection. Our statements include the following: network data; the likely development of our distribution system; plans for modifying the distribution system; and identification of parts of the distribution system that are likely to reach capacity limit in the next years. A long term development statement is available for each of our distribution network areas in central southern England and northern Scotland. Each statement has two sections, a summary (Part 1) and a detailed section (Part 2) both of which are available for download below.
This is Scottish and Southern Electricity Networks (SSEN) Distribution's first Network Development Report and is part of a suite of new information that sets out our longer-term Network Development Plans for our distribution networks. It gives users access to information pertaining to our network plans for the next ten years in relation to our 11 kV networks and above, allowing all interested parties to better assess and identify the future opportunities to use and engage with us and the network.
This dataset contains a list of substation codes.To view or download this data, please register or login.
The SSEN Data Roadmap serves as the strategic plan outlining the key milestones related to data provision and management. It provides a structured path for implementing data sets and achieving data strategy goals. The Data Roadmap promotes open collaboration and transparent data sharing with stakeholders. By outlining clear milestones and objectives, it creates a shared vision with stakeholders which encourages active involvement and feedback, where insights and requirements can be openly addressed. This ensures stakeholders are well informed about the data journey, promoting trust and cooperation in achieving common data-related goals.
Boundaries of SSEN Licence Areas for SEPD & SHEPD
The load model is a machine learning product which estimates a half-hourly annual demand profile for each household based on a series of demographic, geographic and heating type factors. To enable us to estimate capacity on the electricity network while protecting individual customers data privacy by using modelled data. These views are then aggregated up the networks hierarchy based on the combinations of customers associated with each asset. This view is supplemented with the forward Distribution Future Energy Scenarios (DFES) which highlight the expected impact of low carbon technology on the network (LCT) such as heat-pumps or electricity vehicles. The view demonstrated here represents a sample iteration of our evolving network capacity & load model - highlighting estimated peak usage against asset rating.
Details of SSEN Substations, their type and identification and location coordinates for both SEPD and SHEPD licence areas. Derived from the Shapefile data and presented separately here for convenience.
This dataset contains Business Glossary definitions and Acronym expansions.To view or download this data, please register or login.
Shapefile containing SSEN Transmission Grid Towers.To view or download this data, please register or login.
The Seasonal Operability Report is a quarterly operational usage report, which will enable current and future providers of both flexibility services and distributed energy resources to understand how the SSEN Control Room has used various services in the past three months and highlight areas of potential curtailment in the future.
Smart meter LV feeder half hourly usage data is collected directly from smart meters in homes and businesses and anonymised through aggregation to no less than 5 properties through SSEN’s smart meter adapter. There is a postcode and LV Feeder Dataset ID lookup to provide the aggregated half hourly consumption data in Wh (combined primary and secondary active import Wh), from the relevant secondary transformer and low voltage feeder IDs with a total count of smart meters.
Standard Licence Condition 31E Procurement Report & Statements
Shapefile containing SSEN Transmission Substation Site Grids.To view or download this data, please register or login
Shapefile containing SSEN Transmission Supergrid Substation Sites.To view or download this data, please register or login.
Shapefile containing SSEN Transmission Supergrid Towers. To view or download this data, please register or login.