Northern Electric plc is a part of the Northern Powergrid Holdings Company group of companies (the Northern Powergrid Group) and its principal activity is to act as holding company. The activities of the Company�s principal subsidiaries are distribution of electricity by Northern Powergrid (Northeast) Limited (Northern Powergrid) and provision of engineering contracting services by Integrated Utility Services Limited (IUS). Northern Powergrid serves an area of approximately 14,000 square kilometers in the northeast of England, which extends from North Northumberland, south to York and West to Pennines. Northern Powergrid�s distribution systems receives electricity from generators connected to it and from the National Grid�s transmission system and distributes it to its network of transformers, switchgear, overhead and underground cables and other equipments. IUS operates an engineering contracting business, which is divided into three streams.