A NERC registered entity, the Southwest Reserve Sharing Group administers requirements related to compliance with BAL-002, the Disturbance Control Standard, EOP-001, and EOP-002.

SRSG Participants share contingency reserves to maximize generator dispatch efficiency. Shared reserves decrease costs of compliance with the Disturbance Control Standard (DCS) and contribute to electric reliability in the Western Interconnection.

Formed in 1998 as the successor to the Inland Power Pool, the SRSG's geographic area covers the southwest United States including Arizona, New Mexico, southern Nevada, parts of southern California including the Imperial Valley, and El Paso, Texas.