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Case Studies - London Region Exercises

Exercise Capital Twilight

3 December, 2003

Exercise Capital Twilight was a tabletop exercise involving over 120 senior members of the London Resilience Partnership.

The exercise aim was to test effects and responses in a long duration power failure occurring in mid-winter.

The objectives of the exercise were to:

• assess the implications of a prolonged power loss to an urban area,
• clarify and strengthen multi-agency coordination arrangements,
• clarify and strengthen the communications arrangements to support the response and public information,
• explore prioritisation of services and restoration,
• provide recommendations on how to address those points without action in the power failure report.

A number of recommendations were made to both London Resilience partners and Central government which are being taken forward.

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