Shift Workload
Execute tasks when the grid is powered by renewable energy
Carbon Aware Computing (2022)
Description
The basic idea behind the time shifting approach is moving the computing load into a point in time when the power grid has a maximum of renewable energy. This will result in a lower emission of CO2 of a computing task.
In addition to energy and hardware efficiency, carbon efficiency is one of the most important principles of green software development, like the Energiewende. Energy is used when it is available from renewables.
Implementation
We shift the energy demand to a point in time when the carbon intensity of the grid is lower. To do this we need forecast data and software libraries to calculate the appropriate execution window.
Performance considerations
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Related Case Studies
Reducing carbon emissions in a core system
UBM and Microsoft shift computational tasks in CO2-reduced times
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Camunda Carbon Reductor
The Camunda Carbon Reductor allows you to time shift your business process execution to a time when energy is green.
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Foundational free Patterns
Consider automating activities
Eliminate unnecessary activities
If capacity is insufficient, consider increasing the available number of resources
Start implementing actions that can offset or counterbalance the environmental effects generated by business processes that cannot be changed.
Offer a green alternative with the same outcome, utilizing different steps, resources, or partners, while retaining the previous existing process
Consider whether it is eco-friendly to let humans work over machines
Expertise-based task assignment
Match tasks to experts' specialized skills for efficiency
Workload-based task assignment
Allocate tasks based on individuals' incomplete workload
Performance-based task assignment
Allocate tasks based on past performance: execution time and success