link_thresholds as dictionary, not float, more logging messages

config/config.default.yaml

@@ -778,12 +778,15 @@ solving:
     post_discretization:
       enable: false
       line_unit_size: 1700
+      line_threshold: 0.3
       link_unit_size:
         DC: 2000
         H2 pipeline: 1200
         gas pipeline: 1500
-      line_threshold: 0.3
-      link_threshold: 0.3
+      link_threshold:
+        DC: 0.3
+        H2 pipeline: 0.3
+        gas pipeline: 0.3
 
   constraints:
     CCL: false

doc/configtables/solving.csv

@@ -17,10 +17,11 @@ options,,,
 -- post_discretization,,,
 -- -- enable,bool,"{'true','false'}",Switch to enable post-discretization of the network. Disabled by default.
 -- -- line_unit_size,MW,float,Discrete unit size of lines in MW.
--- -- link_unit_size,MW,float,Discrete unit size of links in MW by carrier (given in dictionary style.
+-- -- line_threshold,,float,The threshold relative to the discrete line unit size beyond which to round up to the next unit.
+-- -- link_unit_size,MW,float,Discrete unit size of links in MW by carrier (given in dictionary style).
+-- -- -- {carrier},,,
+-- -- link_threshold,,float,The threshold relative to the discrete link unit size beyond which to round up to the next unit by carrier (given in dictionary style).
 -- -- -- {carrier},,,
--- -- line_threshold,,float,The threshold relative to the discrete line unit size beyond which to round up to the next unit. Defaults to 0.3.
--- -- link_threshold,,float,The threshold relative to the discrete link unit size beyond which to round up to the next unit. Defaults to 0.3.
 constraints ,,,
 -- CCL,bool,"{'true','false'}",Add minimum and maximum levels of generator nominal capacity per carrier for individual countries. These can be specified in the file linked at ``electricity: agg_p_nom_limits`` in the configuration. File defaults to ``data/agg_p_nom_minmax.csv``.
 -- EQ,bool/string,"{'false',`n(c| )``; i.e. ``0.5``-``0.7c``}",Require each country or node to on average produce a minimal share of its total consumption itself. Example: ``EQ0.5c`` demands each country to produce on average at least 50% of its consumption; ``EQ0.5`` demands each node to produce on average at least 50% of its consumption.

scripts/solve_network.py

@@ -923,6 +923,7 @@ def solve_network(n, config, solving, **kwargs):
         kwargs["min_iterations"] = cf_solving["min_iterations"]
         kwargs["max_iterations"] = cf_solving["max_iterations"]
         if cf_solving["post_discretization"].pop("enable"):
+            logger.info("Add post-discretization parameters.")
             kwargs.update(cf_solving["post_discretization"])
         status, condition = n.optimize.optimize_transmission_expansion_iteratively(
             **kwargs