Glossary
Product terms.
Definitions of terms used on this website.
01
Scenario
A defined set of assumptions and conditions used to explore an energy-system question. A scenario is not a prediction or a guarantee.
02
Substrate
The data shared across a study, including energy types, geography, markets, sectors and time periods.
03
Carrier
A type of energy in a study, such as electricity, hydrogen, gas or heat. The types included depend on the model.
04
Granularity
How much detail a model uses for places, assets and time periods. More detail needs more data and computing resources.
05
Climate year
A set of weather-related conditions used to explore how demand and renewable resources affect a scenario.
06
Run and lineage
A run executes a model or analysis. Its record shows the inputs, versions and assumptions used to produce the result.
07
Levelised cost
A cost-per-unit measure calculated under a defined methodology and assumption set. LCOE refers to electricity; LCOH commonly refers to hydrogen.
08
Approval gate
A point at which a proposed action needs authorisation before it proceeds. Interpretation of a request is not itself approval.
09
Atlas
Nohm’s map view of energy data and models. Check the source, date and study area of the data shown.
10
Studio
A workspace for a class of tasks, such as analysis, visualisation or reporting, subject to product availability and user permissions.