http://www.iec.ch/TC57/CIM#SubControlArea
Class cim:SubControlArea

Class [owl:Class]

An area defined for the purpose of tracking interchange with surrounding areas via tie points; may or may not serve as a control area.

cim:PowerSystemResource

cim:SubControlArea.endEffectiveDate max 1 dateTime

cim:SubControlArea.minSelfSchedMW max 1 float

cim:SubControlArea.quadraticCoefficient max 1 float

cim:SubControlArea.localCA max 1 cim:YesNo

cim:SubControlArea.internalCA max 1 cim:YesNo

cim:SubControlArea.maxSelfSchedMW max 1 float

cim:SubControlArea.constantCoefficient max 1 float

cim:SubControlArea.areaShortName max 1 string

cim:SubControlArea.startEffectiveDate max 1 dateTime

cim:SubControlArea.linearCoefficient max 1 float

cim:SubControlArea.embeddedControlArea max 1 cim:YesNo