
Northern Ireland Electricity Networks
Northern Ireland Electricity Networks (NIE Networks) own the electricity transmission and distribution network and operates the electricity distribution network which transports electricity to over 860,000 customers – connecting 6,000 new homes, businesses and farms to the power network each year.
NIE network consists of 2,200 kilometers of transmission network, 47,000 kilometers of distribution network and 300 major substations at LV, MV and HV.
Employing around 1,200 people and investing around £100 million in the electrical network each year.
Acquired by ESB Networks in December 2010, NIE Networks remains an autonomous organisation with its own board and management teams and separate regulation via the Utility Regulator
Thorne & Derrick are Approved Vendors of Northern Ireland Electricity Networks Approved Materials List & Assessed Products to enable the cable jointing, termination, distribution and installation of LV, MV (11kV-33kV) & HV cables onto NIE cable network from manufacturers including:
âž¡ Contact us to discuss your requirements for Northern Ireland Electricity Networks LV, MV & HV Cable Installation, Jointing, Termination, Substation & Electrical Equipment including the following LV-HV Product Categories – our internal NIE commodity code database is constantly updated with new Northern Ireland Electricity Networks products.

nIE cables, joints & terminations 11kv 33kv
Thorne & Derrick distribute DNO approved MV HV Cables including 11kV 33kV – this includes single and 3 core XLPE, EPR and Triplex cables plus suitable cable joints, cable cleats, terminations and connectors in heat shrink, cold shrink, cold applied and plug-in technology.
Cable Pulling & Laying Equipment LV HV
T&D supply Utilities & Approved Contractors with cable pulling products including cable rollers, cable socks and drum lifting jacks to enable the installation of low voltage and high voltage cables intro trench or duct: this includes single core, 3 core and Triplex 11kV/33kV power cables and LV waveform, mains and service cables.
UK DNO’s
T&D are Specialist Distributors to the UK Distribution Network Operators (DNO’s), NERS Registered Service Providers, ICP’s and High Voltage Jointing Contractors of an extensive range of Cable Joints, Substation, Distribution, Tooling & Installation Equipment approved by the utilities:

JOINT ♦ TERMINATE ♦ CONNECT ♦ GLAND ♦ CLEAT ♦ CRIMP ♦ DUCT ♦ SEAL ♦ REPAIR ♦ CABLE ♦ SPLICE ♦ INSULATE