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