Industry jargon

Customer Limitation Scheme

Also called: CLS A Customer Limitation Scheme is a control scheme that keeps electricity import or export at a customer's connection point within an agreed limit. Under ENA G100, a CLS can be used where new load or generation needs to be connected without allowing current at the connection point to exceed the agreed restriction. The scheme monitors relevant electrical conditions, normally using current and voltage measurements, and controls connected equipment when the limit is approached. On an EV charging site, that can mean reducing the power available to chargers rather than allowing the whole site to exceed its connection limit. A CLS is therefore broader than charger scheduling. Its job is to enforce the agreed boundary at the grid connection, including appropriate behaviour when measurements, communications or control components fail.