Exelon Generation Completes Installation of State-of-the-Art Siren System for TMI

Comprehensive Testing Schedule Announced

LONDONDERRY TOWNSHIP, PA (Oct.2, 2012) – Exelon Generation has completed the installation of a new state-of-the-art siren system around Three Mile Island (TMI) Generating Station, part of a $13 million investment to upgrade sirens around the company’s nuclear stations.

The new system includes 96 sirens with improved sound coverage and battery back-up capability. This ensures the sirens will be able to operate and provide notification if electrical service is interrupted.

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