How can I save electricity?




Browse through the glossary to understand the terms related with electricity, power sector and energy conservation.
Term Definition

Al Ain Distribution Company


Abu Dhabi Distribution Company


An item of current-using equipment.

Appliance Energy Efficiency Ratings

Rating of appliances based on how efficient their energy consumption.

The process of determining energy consumption, by various techniques, of a building or facility.

An energy storage device composed of one or more electrolyte cells.

Building Insulation
Refers to thermal insulation in premises.

The Regulation and Supervision Bureau for the Water, Wastewater and Electricity Sector of Emirate of Abu Dhabi

Customer display unit

Compact fluorescent lamp


A machine that removes heat from a liquid via a vapour-compression or absorption refrigeration cycle.

Conservation (energy)

The action of reducing energy consumption

Current carrying equipment
Flow of electric charge through an electrical conductor. Measured in Amperes (Amps)

A person, corporate body ,or company who has an agreement with a Distribution Company for the supply of electricity


The demand of MW and MVAr of electricity or the demand in m3/h of desalinated water

Demand Response (DR)

The management of customer consumption of electricity in response to supply conditions.

Demand Side Management (DSM)
Is the management of customers' demand for energy through various methods such as financial incentives, awareness and education

The lawful currency of the United Arab Emirates

Distribution Company

A company or body holding a licence from the Bureau, pursuant to the Law. In Abu Dhabi it is either Al Ain Distribution Company or Abu Dhabi Distribution Company

Distribution Network
Distribution Network
Efficient energy use

The use of energy in an efficient manner

the set of physical phenomena associated with the presence and flow of electric charge
Electricity meter

A device that measures the amount of electric energy consumed by a residence, business, or an electrically powered device.

Electricity pricing (Tariff)

The published cost associated with delivering electricity to a premise and charged by the distribution company.

The Emirate of Abu Dhabi
End use

The consumer

a device composed of fibrous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air

Any material that stores energy that can later be extracted to perform mechanical work in a controlled manner

Generating Capacity
The maximum output (MW) that a generating equipment can supply to a system load

The government of the Emirate of Abu Dhabi

HV (high voltage)
An a.c. voltage greater than Low Voltage and less than 36 kV between phases or 21 kV between any phase and Earth (internationally referred to as Medium Voltage).

Unit of energy which is equivalent to one kilowatt (1 kW) of power expended for one hour (1 h) of time.

Means Law No (2) of 1998 Concerning the Regulation of the Water, Wastewater and Electricity Sector (as amended by Law No (19) of 2007).

Light-emitting diode


A licence issued by the Regulation and Supervision Bureau authorising the distribution, generation, supply or transmission of electricity

The Active, Reactive or Apparent Power, as the context requires, generated, transmitted or distributed
LV (low voltage)

An a.c. voltage below 1000 V between phases, or below 600 V between any phase and Earth, or a d.c. voltage below 1500 V between conductors, or below 900 V between any conductor and earth.

A device for measuring quantities of Electricity, Water, Gas or Back Up fuel Oil.
Off Peak periods

The time of the day where the demand on electricity is low

On Peak periods
The time of the day where the demand on electricity is high
Payback period

The length of time required to recover your cost

Peak shaving
Shifting electricity demand from peak periods to off peak periods
power cycle

The electricity cycle from generation to distribution to the end user

Power plant
An industrial facility for the generation of electric power

Regulation & Supervision Bureau for the Water and Electricity Sector in the Emirate of Abu Dhabi


A device that regulates temperatures against a pre-set temperature

Time of day pricing

The price associated with delivering electricity at different time of the day.


Time of day

Ton of refrigeration

Unit of power used in some countries for air conditioning equipment

Transmission lines (TL)

Responsible to transfer electric current from generating plants to distribution substations.


The unit of electricity consumption (kWh)


Refers to the electricity utility company. In the emirate of Abu Dhabi it refers to Al Ain Distribution Company or Abu Dhabi Distribution Company.

Wattage (W)

Typically refers to the ratings of an electrical appliance