771 bugerror writing cost when we have resources that are not new build and not eligible for retirement #796
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Description
Addresses #771 by adding a default value (
0.0) for the final fixed cost calculation:eCFix = sum(value.(EP[:eCFix][Y_ZONE])), applied when the setY_ZONEis empty.What type of PR is this? (check all applicable)
Related Tickets & Documents
Fixes #771.
Checklist
How this can be tested
The test suite now includes a new test case with two zones, one of which has no generators.
Post-approval checklist for GenX core developers
After the PR is approved