Annual fixed O&M costs not included in model if no other investment costs are set
jmorrisnrel opened this issue · comments
Problem description
The om_annual constraint doesn't trigger the loc_tech to be added to the loch_techs_investment_costs set meaning that if none of the other investment costs are set for a loc_tech the fixed O&M costs are not factored into the model and are not reflected in the solution.
I've patched in a fix locally to include om_annual/om_annual_fractional_percentage in the loc_techs_investment_costs set (calliope/preprocess/sets.py:447) which resolves the issue. It does potentially create another issue where the model_data_dict["data"]["cost_deprecation_rate"] dictionary used in costs.py:170 isn't set if there are only fixed OM costs in the model and no other investment costs.
Steps to reproduce the problem
Configure a tech/loc_tech to have an om_annual cost without other annual fixed or capacity costs. The om_annual cost will not be reflected in any of the outputs.
Calliope version
This bug is present in 0.6.7 but looks like it should be fixed in the new rework of the set definitions in the newer version.
OM_bugged.zip
Here is an example model where the CC_Gas_Power_Plant tech will replicate the issue on 0.6.7 and earlier.
Good catch @jmorrisnrel. Fixed in v0.6.9 which should be available from conda in the coming days.