---

id: "PE-11(02)" title: "Alternate Power Supply — Self-contained" family: "PE" family_name: "Physical and Environmental Protection" sort_id: "pe-11.02" priority: "P2" implementation_level: "organization" parent: "PE-11" enhancement: True

---

Statement

Provide an alternate power supply for the system that is activated {{ insert: param, pe-11.02_odp.01 }} and that is:

Self-contained;

Not reliant on external power generation; and

Capable of maintaining {{ insert: param, pe-11.02_odp.02 }} in the event of an extended loss of the primary power source.

Guidance

The provision of a long-term, self-contained power supply can be satisfied by using one or more generators with sufficient capacity to meet the needs of the organization.

Assessment Objective

an alternate power supply provided for the system is activated {{ insert: param, pe-11.02_odp.01 }};

Assessment Objective: the alternate power supply provided for the system is self-contained;

Assessment Objective: the alternate power supply provided for the system is not reliant on external power generation;

Assessment Objective: the alternate power supply provided for the system is capable of maintaining {{ insert: param, pe-11.02_odp.02 }} in the event of an extended loss of the primary power source.

Physical and environmental protection policy

procedures addressing emergency power

alternate power supply

alternate power supply documentation

alternate power supply test records

system security plan

other relevant documents or records

Organizational personnel with the responsibility for emergency power and/or planning

organizational personnel with information security responsibilities

Mechanisms supporting and/or implementing an alternate power supply

the alternate power supply