MW
Megawatt
A unit of power. It describes an instantaneous production or consumption capacity.
GLOSSARY · ENERGYBOARD
Energy and units glossary
The main units and concepts displayed on EnergyBoard, explained in plain language.
ENERGYBOARD
Power and energy units
MWh
Megawatt-hour
A unit of energy. 1 MWh is the energy produced or consumed by 1 MW over one hour.
GWh
Gigawatt-hour
An energy unit equal to 1,000 MWh. EnergyBoard uses it for annual electricity generation.
TWh
Terawatt-hour
An energy unit equal to 1,000 GWh, or one billion kWh.
ENERGYBOARD
Oil equivalent
toe
Tonne of oil equivalent
A conventional unit used to compare different forms of energy.
kgoe
Kilogram of oil equivalent
One thousandth of a toe.
Mtoe
Million tonnes of oil equivalent
Used for national and European energy consumption. 1 Mtoe equals one million toe.
ENERGYBOARD
Prices and productivity
€/kWh
Euro per kilowatt-hour
A price paid for a quantity of energy. EnergyBoard uses it for electricity and gas prices.
€/kgoe
Euro per kilogram of oil equivalent
An energy productivity unit. It expresses economic value produced per kgoe of energy used. A higher value means more economic output for the same amount of energy.
ENERGYBOARD
Percentages and comparisons
%
Percentage
A relative share out of 100.
pt
Percentage point
The arithmetic difference between two percentages. Moving from 20% to 25% is +5 percentage points.
GUIDE
Want more detail?
The energy units guide explains conversions, orders of magnitude and the difference between power, energy and productivity.