Utility Glossary

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To help you understand the key issues facing our industry, please use the following glossary of terms:  

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Office of Ratepayer Advocates (ORA)
The Office of Ratepayer Advocates is an independent arm of the CPUC that represents consumers in commission proceedings, pursuant to statute.
Oil Circuit Breaker (O.C.B.)
A device that opens an alternating current circuit in a tank of oil which extinguishes the arc. It is also called an oil switch.
Operating Reserves
Operating reserves are the amount of electricity generation that is available in excess of current demand.
Operating Reserves
The amount of electricity generation that is instantly available in excess of current demand.
Overload Relay
Relay that senses an overload on lines or apparatus and initiates the opening.
LIFE. POWERED BY EDISON.