Substation construction contracts
UK public sector · 103 contracts awarded in the 12 months to 6 October 2026
Covering 600+ buyer portals · 5 years of records · Updated 6 October 2026 · How we count
- Contracts awarded
- 103
- Last 12 months
- Median contract
- £161k
- Recorded value
- Recorded value
- £380m
- 79 of 103 main-service contracts have a published value
- Buyers
- 46
- Suppliers
- 40
28 substation construction contracts ending in the next 12 months
See which ones
BidSkim assigns contracts to services from the notice text. How services are assigned
What stands out
- The five suppliers that won the most substation construction contracts took 47% of them (48 of 103).
- The median contract, £161k, is 16% above the median across construction & trades contracts (£139k).
- West Midlands had the most contracts: 23, or 22% of the total.
Who buys substation construction
By contracts awarded, the 12 months to 6 October 2026.
- 1Highways England20 contracts£123m
- 2SSE15 contracts£161m
- 3Scottish Hydro Electric Transmission PLC6 contracts—
- 4Scottish Hydro Electric Power Distribution PLC5 contracts£14.2m
- 5National Grid Electricity Transmission PLC4 contracts£25.3m
- 6Northern Ireland Electricity Networks Limited3 contracts£5.7m
- 7The Coal Authority3 contracts£618k
- 8NHS Property Services Limited3 contracts£100k
- 9City of Bradford Metropolitan District Council2 contracts£1.4m
- 10Natural Resources Wales2 contracts£616k
Top substation construction contractors by contracts won
The 12 months to 6 October 2026.
- 1National Grid16 contracts£1.8m
- 2UK Power Networks12 contracts£35.0m
- 3Northern Powergrid9 contracts£3.4m
- 4Scottish Hydro Electric Power Distribution PLC6 contracts£455k
- 5ELECTRICITY NORTH WEST LIMITED5 contracts£437k
- 6ABB3 contracts£8.4m
- 7Scottish Power3 contracts£377k
- 8National Grid Electricity Transmission PLC2 contracts£106m
- 9SSE2 contracts£16.6m
- 10OCU Group2 contracts£6.0m
Latest and largest awards
Each links to the official notice.
Latest
Brocastle Power – 25 MVA Non-Con works (official notice, opens in a new tab)
Value not published
Llywodraeth Cymru / Welsh Government to National Grid Electricity Distribution (NGED) SW PLC · Awarded 2 October 2026
Highways England to UK Power Networks · Awarded 2 October 2026
Highways England to UK Power Networks · Awarded 2 October 2026
Highways England to National Grid · Awarded 4 September 2026
Solihull Metropolitan Borough Council to National Grid · Awarded 26 August 2026
Torridge District Council to National Grid · Awarded 26 August 2026
Natural Resources Wales to National Grid · Awarded 25 August 2026
Oxfordshire County Council to Scottish Hydro Electric Power Distribution PLC · Awarded 20 August 2026
Highways England to UK Power Networks · Awarded 19 August 2026
Natural Resources Wales to National Grid · Awarded 19 August 2026
Largest
SSE to Linxon UK Ltd · Awarded 22 December 2025
Highways England to National Grid Electricity Transmission PLC · Awarded 18 June 2026
Highways England to National Grid Electricity Transmission PLC · Awarded 18 June 2026
The Queen Elizabeth Hospital King's Lynn NHS Foundation Trust to UK Power Networks · Awarded 18 May 2026
Coventry City Council to MATRIX NETWORKS LIMITED · Awarded 26 March 2026
Contracts awarded by quarter
Where the contracts were awarded
England 76 · Scotland 21 · Wales 4 · Northern Ireland 2
What is included
Construction, upgrade and connection works on electricity transmission and distribution networks: overhead lines, cable laying, primary and secondary substations, new supplies, capacity upgrades and diversions carried out by or for the network operator.
- Overhead line reconductoring and tower refurbishment
- Primary transformer supply and installation
What is not included
- HV and LV distribution within private sites and buildings (con.elec.hv-lv-distribution)
- EV chargepoints (con.energy.ev-chargepoints)
- Street lighting (con.civils.street-lighting)
- Telecoms ducts (con.civils.telecoms-duct-civils)