The Energy Sector consists of thousands of electricity, oil, and natural gas assets that are geographically dispersed and connected by systems and networks. Therefore, interdependency within the sector and across the Nation's critical infrastructure sectors is critical. The energy infrastructure provides fuel to the Nation, and in turn depends on the Nation's transportation, communications, finance, and government infrastructures. The energy systems and networks cross the Nation's borders, making international collaboration a necessary component of the Energy Sector's efforts.

Protecting and improving the resiliency of the Energy Sector in the face of both manmade and natural disasters is an ongoing effort that requires continued vigilance, contingency planning, and training. With partnership as the cornerstone of its overall strategy, the Energy Sector already has numerous programs sponsored by dozens of public and private organizations that support the sector's security vision and goals. The programs fall within four main categories: information sharing and communication, physical and cyber security, coordination and planning, and public confidence.

The Energy Sector will continue to implement effective protective measures as it assesses the sector's security needs, develops programs, and finds long-term solutions, including research and development. To meet this mission, CESER's Infrastructure Security and Energy Restoration Division (ISER) applies the Department of Energy's technical expertise to ensure the security, resiliency and survivability of key energy assets and critical energy infrastructure at home and abroad.

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