A Network Gas Supply Emergency (NGSE) may be caused by unforeseen circumstances such as pipeline or equipment failure, or where system demand exceeds either total supply or planned system capacity.
Further information regarding NTS Emergency Arrangements and the processes relating to Emergency Curtailment Quantities (ECQ), Storage Curtailment Compensation Arrangements and Post Emergency Claims are via the links below.
Please note these details relate to NTS Network Gas Supply Emergencies only and do not cover local emergencies, which will be managed by the relevant Distribution Network.
For general information regarding system balancing, please view the Balancing the National Transmission System area of our website.
This page provides information for industrial users regarding potential reasons for interruptions to supply.
A Network Gas Supply Emergency (NGSE) occurs when National Grid is unable to maintain a supply – demand balance on the NTS using its normal system balancing tools.
The NEC is responsible for co-ordinating actions to prevent a supply emergency developing or where it cannot be prevented, to take timely decisions in order to minimise the safety consequences.
Information regarding forms which may be issued during an NGSE.
News bulletins may be published on this page in the event of an NGSE.
Information for shippers regarding Emergency Curtailment Quantities including P70/P71 forms.
Details regarding compensation payments to be made in the event of Storage Curtailment.
Details regarding Post Emergency Claims. These can be made in relation to additional gas offered to the UK Gas System during a Gas Deficit Emergency (GDE).