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Branch Loading

The derived net power flow through each branch. This is calculated using the substation loading and sensitivity factors for each substation’s node(s) to each branch. The sign associated to this load is based on the From Node and To Node.

Please see the guidance document for further information.

https://dso.nationalgrid.co.uk/curtailment-analysis-data-usage-guidance

Data Files

Name Format Last Changed Download
Ratcliffe Branch Load 10 csv
1 month ago
Staythorpe Branch Load 11 csv
1 month ago
Walpole Branch Load 12 csv
1 month ago
West Burton Branch Load 13 csv
1 month ago
Willington Branch Load 14 csv
1 month ago
Aberthaw and Cardiff East Branch Load 15 csv
1 month ago
Margam Branch Load 16 csv
1 month ago
Pembroke Branch Load 17 csv
1 month ago
Pyle Branch Load 18 csv
1 month ago
Rassau Branch Load 19 csv
1 month ago
Berkswell Branch Load 2 csv
1 month ago
Swansea North Branch Load 20 csv
1 month ago
Upper Boat Branch Load 21 csv
1 month ago
Uskmouth Branch Load 22 csv
1 month ago
Landulph, Abham, Exeter Branch Load 23 csv
1 month ago
Alverdiscott, Indian Queens Branch Load 24 csv
1 month ago
Axminster Branch Load 25 csv
1 month ago
Taunton, Bridgwater Branch Load 26 csv
1 month ago
Iron Acton (SWe) Branch Load 27 csv
1 month ago
Melksham Branch Load 28 csv
1 month ago
Seabank, Sandford Branch Load 29 csv
1 month ago
Bicker Fen Branch Load 3 csv
1 month ago
Bishops Wood Branch Load 30 csv
1 month ago
Bushbury Branch Load 31 csv
1 month ago
Bustleholm Branch Load 32 csv
1 month ago
Cellarhead Branch Load 33 csv
1 month ago
Feckenham Branch Load 34 csv
1 month ago
Iron Acton (WM) Branch Load 35 csv
1 month ago
Ironbridge and Shrewsbury Branch Load 36 csv
1 month ago
Kitwell Branch Load 37 csv
1 month ago
Lea Marston (WM) Branch Load 38 csv
1 month ago
Nechells East Branch Load 39 csv
1 month ago
Chesterfield Branch Load 4 csv
1 month ago
Ocker Hill Branch Load 40 csv
1 month ago
Oldbury Branch Load 41 csv
1 month ago
Penn Branch Load 42 csv
1 month ago
Portham Branch Load 43 csv
1 month ago
Rugeley Branch Load 44 csv
1 month ago
Willenhall Branch Load 45 csv
1 month ago
Coventry Branch Load 5 csv
1 month ago
Drakelow Branch Load 6 csv
1 month ago
East Claydon (EM) Branch Load 7 csv
1 month ago
Enderby Branch Load 8 csv
1 month ago
Grendon Branch Load 9 csv
1 month ago

Additional Info

Field Value
Uploaded Date November 26, 2025, 09:28 (UTC)
Creator National Grid Electricity Distribution
Created Date November 26, 2025, 00:00 (UTC)
Rights NGED Open Data Licence
Coverage All Regions
Contributor Digitalisation & Data
Identifier BLF
Publisher DSO
Relation PELTD
Language EN
Data Classification Open
Update Frequency 12 Months
Expiration Date November 26, 2026, 00:00 (UTC)

Integrate this dataset using cURL

# Get a list of dataset's resources

curl -L -s https://connecteddata.nationalgrid.co.uk/dataset/branch-loading/datapackage.json | grep path

# Get resources

curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/58f007ad-41df-4471-8c3a-bcca60ab5d9a/download/ratcliffe_branch_load_10.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/ad1a10c7-c944-40fb-95b5-aa46c99c5060/download/staythorpe_branch_load_11.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/0074c40a-123e-4b36-9910-2523b0d35c91/download/walpole_branch_load_12.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/319cd411-e852-4459-a717-a9e8c748f5fe/download/west-burton_branch_load_13.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/2f3d1ae2-e825-40fe-81f0-0166050c69a0/download/willington_branch_load_14.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/0e008bea-cd8d-4d03-9f6e-5d1df8e4cacf/download/aberthaw-and-cardiff-east_branch_load_15.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/b8fc90d9-9bdd-4497-b4ef-b99fa83bff16/download/margam_branch_load_16.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/8ac4acb0-1da2-4d62-a175-10b4243f16c8/download/pembroke_branch_load_17.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/4d76103a-24fb-419e-afad-5a64739ba2e3/download/pyle_branch_load_18.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/03341daf-b216-433e-8967-39891a39fc18/download/rassau_branch_load_19.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/55cc047b-6e62-4fd0-91a4-2c4e5c3bf501/download/berkswell_branch_load_2.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/e84d9e06-1acb-4b3a-9a31-e89697f9d474/download/swansea-north_branch_load_20.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/09ba017e-be54-459e-a899-f43b0fe2399d/download/upper-boat_branch_load_21.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/6ff1f56c-a493-484a-83e5-45bbdd2eab4a/download/uskmouth_branch_load_22.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/8ae7e418-3094-4ebb-a34f-0d3ce1de0c28/download/landulph-abham-exeter_branch_load_23.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/de57849d-631e-4d67-af33-68e1f7d9a859/download/alverdiscott-indian-queens_branch_load_24.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/bf701cb4-8818-4756-924a-e119a265b45b/download/axminster_branch_load_25.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/ff973164-5903-47a8-a3b3-68cd680089a5/download/taunton-bridgwater_branch_load_26.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/2b9172e6-bd97-4bd9-b30e-4612c3a8a7ea/download/iron-acton-swe_branch_load_27.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/2eaa2a57-e693-4769-8559-79a7e19873ac/download/melksham_branch_load_28.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/8433ebd2-b384-4a62-adf6-fd7dc85e6e71/download/seabank-sandford_branch_load_29.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/41e4ea37-5b42-4507-b4c1-3ea7d00c9992/download/bicker-fen_branch_load_3.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/09e4e378-d5f3-4839-a36a-035eaf7ded05/download/bishops-wood_branch_load_30.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/1539bee8-9109-48dc-99d0-4c822795b45b/download/bushbury_branch_load_31.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/0d159fe9-a9f2-4eb2-aeba-5546ea441c5e/download/bustleholm_branch_load_32.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/00a84b04-8cc3-49c5-8010-d030435698ae/download/cellarhead_branch_load_33.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/af20f42d-03dd-4313-ac30-05d6959c11ae/download/feckenham_branch_load_34.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/c785aef6-1816-4b11-99e5-3d0e4399c29e/download/iron-acton-wm_branch_load_35.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/7c3430b9-7e66-4d5c-b607-cc841fcb540a/download/ironbridge-and-shrewsbury_branch_load_36.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/5448c58c-6a16-40db-95f4-ee75ba4ef14a/download/kitwell_branch_load_37.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/9817ab41-9918-4535-8fa4-6db482183478/download/lea-marston-wm_branch_load_38.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/c9843165-7785-4089-bc60-b27255174f15/download/nechells-east_branch_load_39.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/b6983633-39a9-4e47-9a14-3d88e73adbb4/download/chesterfield_branch_load_4.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/9895cfd0-375a-4e52-90d7-1bc2e1de155c/download/ocker-hill_branch_load_40.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/50727f26-030c-42d7-b442-2a707ee4274f/download/oldbury_branch_load_41.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/25899ddc-2e84-4ed5-9db2-5bca9ad87034/download/penn_branch_load_42.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/caa0d9c5-caa5-4a98-b299-6e49dc30c70c/download/portham_branch_load_43.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/2e4e0680-9e86-4fa3-b266-f9ce8d8bc725/download/rugeley_branch_load_44.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/dae0d590-cb6a-4e6b-a45c-8b58080fdc8a/download/willenhall_branch_load_45.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/39ff4112-3de8-4f07-9e94-57afc8299863/download/coventry_branch_load_5.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/9e09cbfb-8856-4257-9fac-a2bcaaaa3e6d/download/drakelow_branch_load_6.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/e0272341-d994-44e8-a12b-5f39e8cf5c4a/download/east-claydon-em_branch_load_7.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/92f9a128-8194-4c70-bdb2-db6330d94f95/download/enderby_branch_load_8.csv
curl -L https://connecteddata.nationalgrid.co.uk/dataset/5de2d302-e970-434f-a748-7e5f279b82f0/resource/2498b683-7850-4344-8450-278c2c11ae05/download/grendon_branch_load_9.csv