Maps recommendations list
Codes
FWRE
Replace the conductors on the existing circuit between Feckenham and Walham with higher capacity conductors |
Type: Upgrade existing circuits
Status: Scoping
Boundaries:
Region: North Wales and West Midlands, South Wales and South England |
Replace the conductors on the existing circuit between Feckenham and Walham with higher capacity conductors
|
NOA 2021/22 Refresh Recommendation: Enabling works |
GCHW
Cottam to Market Harborough to Grendon circuit thermal uprating |
Type: Upgrade existing circuits
Status: Strategic Optioneering
Boundaries: B8; B9
Region: East England |
Thermal Upgrade of the Cottam to Market Harborough to Grendon circuit to allow them to operate at higher temperatures, and increase their thermal rating.
|
NOA 2021/22 Refresh Recommendation: HND essential option |
GWNC
A new 400 kV double circuit between the south Humber and south Lincolnshire |
Type: Develop new circuits
Status: Strategic Optioneering
Boundaries: B6I; B7aI; B8; B9
Region: North England |
Construct a new 400 kV double circuit in Lincolnshire to facilitate power transfer requirements across the relevant boundaries. Substation works are required to accommodate the new circuits.
|
NOA 2021/22 Refresh Recommendation: HND essential option |
HAE2
Harker supergrid transformer 6 replacement |
Type: Build a new substation or reconfiguring an existing substation
Status: Design/development and consenting
Boundaries: B6E; B6F; B6I; B7aE; B7aI
Region: North England |
Replacing an existing transformer at Harker substation with a new one of higher rating to prevent overloading following transmission system faults.
|
NOA 2021/22 Refresh Recommendation: Proceed - Critical |
HAEU
Harker supergrid transformer 5 and supergrid transformer 9A banking arrangement |
Type: Build a new substation or reconfiguring an existing substation
Status: Design/development and consenting
Boundaries: B6E; B6F; B6I; B7aE; B7aI
Region: North England |
Banking of existing transformers supergrid transformer 5 and supergrid transformer 9A at Harker substation and connecting directly to the Fourstones – Harker 275 kV circuit to help alleviate overloading of supergrid transformers following transmission system faults.
|
NOA 2021/22 Refresh Recommendation: Proceed - Critical |
HBUP
Uprate Bridgewater to 400 kV and reconductor the route to Hinkley |
Type: Voltage and stability constraints
Status: Scoping
Boundaries: B13
Region: North Wales and West Midlands |
Upgrade the Hinkley Point to Bridgewater 275 kV circuits to 400 kV including insulator and conductor replacement. Connect the circuits to the new Hinkley Point 400 kV substation.
|
NOA 2021/22 Refresh Recommendation: Hold |
HGNC
Harburn to Gala North 400kV Double Circuit Addition |
Type: Develop new circuits
Status: Scoping
Boundaries: B6SPT;
Region: North England |
New circuit between Harburn and Gala North
|
NOA 2021/22 Refresh Recommendation: Proceed - Maintain |
HNRE
Replace the conductors on the existing circuits between Hawthorn Pit and Norton with higher capacity conductors |
Type: Upgrade existing circuits
Status: Scoping
Boundaries:
Region: North England |
This project is currently required to enable the development of a robust and reliable offshore network connection and will be reappraised in the detailed design stage
|
NOA 2021/22 Refresh Recommendation: Enabling works |
HWUP
Uprate Hackney, Tottenham and Waltham Cross 275 kV to 400 kV |
Type: Voltage and stability constraints
Status: Strategic Optioneering
Boundaries: EC5E; EC5I; LE1; SC1Rev
Region: South Wales and South England |
Hackney, Tottenham and Waltham Cross substation uprate from 275 kV to 400 kV, and the double circuit route connecting them. This will strengthen the power flow into London, via Rye House, down to Hackney.
|
NOA 2021/22 Refresh Recommendation: HND essential option |
IFR1
Feckenham to Ironbridge circuit reconductoring |
Type: Upgrade existing circuits
Status: Scoping
Boundaries: SC1Rev
Region: North Wales and West Midlands |
Replace the conductors in the Feckenham to Ironbridge circuit with higher-rated conductors
|
NOA 2021/22 Refresh Recommendation: HND essential option |