CROSS harmonising assumptions
CROSS harmonises key modelling assumptions such as population, GDP, energy demand and technology costs to enable meaningful comparison of energy system model results.
Comparable results
Shared input data
Continuously updated
CROSS harmonises key modelling assumptions such as population, GDP, energy demand and technology costs to enable meaningful comparison of energy system model results.
Assumptions
Why harmonising assumptions matters?
Energy system models rely on many input assumptions, including population growth, economic development, technology costs and energy demand patterns.
If each modelling team uses different assumptions, the resulting scenarios become difficult to compare. Differences in results may simply reflect different input values rather than genuine differences in modelling approaches.
To address this challenge, CROSS provides a set of harmonised modelling assumptions that serve as common reference values across modelling teams. This allows scenario results to be compared in a meaningful and transparent way.
The harmonised assumptions support the comparison of results across models participating in the CROSS scenarios framework.
What is included in harmonised assumptions
CROSS assumptions cover the main drivers used across energy system modelling frameworks
Technologies
Demand behaviour
Get the latest assumptions
Browse and download the most recent harmonised assumptions and their versions via CROSSDat.
Full reports
Assumptions reports describe the available data and their estimation
How this connects to the CROSS ecosystem
Harmonised assumptions link the data and documentation layers of CROSS so users can move from inputs to scenarios and results with full transparency