NEC Exercises

The annual NEC assurance exercise is an important aspect of our pre-winter preparations. It is a legal requirement under GS(M)R to demonstrate to the Health and Safety Executive that the gas industry is prepared to prevent, or minimise the impacts of and recovery from, a gas supply emergency.

Exercise Glacier (2025)

The 2025 NEC industry exercise to test emergency response procedures was called Exercise Glacier. It took place over three days in October 2025 (13th, 14th, and 21st). The post-exercise report is available below.

Name

Exercise Glacier 2025

Exercise Fahrenheit (2024)

The planned 2024 NEC industry exercise to test emergency response procedures was called Exercise Fahrenheit. It took place over three days in October 2024.

Name

Exercise Fahrenheit (2024)

Exercise EVEREST 2023

Exercise Everest was the 2023 NEC industry exercise to test emergency response procedures among all participants. It took place over three days in October 2023.

Name

Exercise EVEREST 2023

Smell gas or suspect a leak?

Call 0800 111 999 *
(24 hours a day – free to call)

To report a gas or carbon monoxide emergency, or if a pipeline is struck (even if no gas leak has occurred) call the National Gas Emergency Service immediately on 0800 111 999 or via textphone (minicom) on 0800 371 787.

If you’re a British Sign Language (BSL) user, you can use SignLive to contact the National Gas Emergency Service free of charge.

*All calls are recorded and may be monitored