iiasa / iiasa/message_ix

Additional dynamic and soft constraints for `total_capacity`

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enh gams help wanted
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Description

Currently, dynamic constraints `growth_*_lo/up` and `initial_*_lo/up` as well as corresponding soft constraints can only be assigned for `activity` and `new_capacity` for technologies. A similar formulation is also required for `total_capacity`.

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Research direction

No files, tests, or entry points are named. Start by locating the existing dynamic and soft constraint handling for technology activity and new_capacity, then compare how total_capacity is represented; done when equivalent growth and initial lower/upper constraints are supported and covered by the relevant tests.

Written by the indexing model from the issue text.

Assessment

Domain
backend
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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