diff --git a/envs/environment.yaml b/envs/environment.yaml
index 0c881720..00b7830a 100644
--- a/envs/environment.yaml
+++ b/envs/environment.yaml
@@ -37,6 +37,7 @@ dependencies:
   - pyomo
   - matplotlib
   - proj
+  - fiona <= 1.18.20  # Till issue https://github.com/Toblerity/Fiona/issues/1085 is not solved
 
   # Keep in conda environment when calling ipython
   - ipython
diff --git a/scripts/_helpers.py b/scripts/_helpers.py
index f1e5e887..410e05af 100644
--- a/scripts/_helpers.py
+++ b/scripts/_helpers.py
@@ -120,7 +120,7 @@ def load_network_for_plots(fn, tech_costs, config, combine_hydro_ps=True):
     # n.storage_units.loc[bus_carrier == "heat","carrier"] = "water tanks"
 
     Nyears = n.snapshot_weightings.objective.sum() / 8760.
-    costs = load_costs(Nyears, tech_costs, config['costs'], config['electricity'])
+    costs = load_costs(tech_costs, config['costs'], config['electricity'], Nyears)
     update_transmission_costs(n, costs)
 
     return n
diff --git a/scripts/plot_network.py b/scripts/plot_network.py
index 645c8c39..71a6e627 100755
--- a/scripts/plot_network.py
+++ b/scripts/plot_network.py
@@ -20,8 +20,7 @@ Description
 """
 
 import logging
-from _helpers import (retrieve_snakemake_keys, load_network_for_plots,
-                      aggregate_p, aggregate_costs, configure_logging)
+from _helpers import (load_network_for_plots, aggregate_p, aggregate_costs, configure_logging)
 
 import pandas as pd
 import numpy as np
@@ -75,7 +74,7 @@ def set_plot_style():
                 }])
 
 
-def plot_map(n, ax=None, attribute='p_nom', opts={}):
+def plot_map(n, opts, ax=None, attribute='p_nom'):
     if ax is None:
         ax = plt.gca()
 
@@ -182,7 +181,7 @@ def plot_map(n, ax=None, attribute='p_nom', opts={}):
     return fig
 
 
-def plot_total_energy_pie(n, ax=None):
+def plot_total_energy_pie(n, opts, ax=None):
     if ax is None: ax = plt.gca()
 
     ax.set_title('Energy per technology', fontdict=dict(fontsize="medium"))
@@ -200,7 +199,7 @@ def plot_total_energy_pie(n, ax=None):
             t1.remove()
             t2.remove()
 
-def plot_total_cost_bar(n, ax=None):
+def plot_total_cost_bar(n, opts, ax=None):
     if ax is None: ax = plt.gca()
 
     total_load = (n.snapshot_weightings.generators * n.loads_t.p.sum(axis=1)).sum()
@@ -259,25 +258,25 @@ if __name__ == "__main__":
 
     set_plot_style()
 
-    paths, config, wildcards, logs, out = retrieve_snakemake_keys(snakemake)
+    config, wildcards = snakemake.config, snakemake.wildcards
 
-    map_figsize = config['map']['figsize']
-    map_boundaries = config['map']['boundaries']
+    map_figsize = config["plotting"]['map']['figsize']
+    map_boundaries = config["plotting"]['map']['boundaries']
 
-    n = load_network_for_plots(paths.network, paths.tech_costs, config)
+    n = load_network_for_plots(snakemake.input.network, snakemake.input.tech_costs, config)
 
     scenario_opts = wildcards.opts.split('-')
 
     fig, ax = plt.subplots(figsize=map_figsize, subplot_kw={"projection": ccrs.PlateCarree()})
-    plot_map(n, ax, wildcards.attr, config)
+    plot_map(n, config["plotting"], ax=ax, attribute=wildcards.attr)
 
-    fig.savefig(out.only_map, dpi=150, bbox_inches='tight')
+    fig.savefig(snakemake.output.only_map, dpi=150, bbox_inches='tight')
 
     ax1 = fig.add_axes([-0.115, 0.625, 0.2, 0.2])
-    plot_total_energy_pie(n, ax1)
+    plot_total_energy_pie(n, config["plotting"], ax=ax1)
 
     ax2 = fig.add_axes([-0.075, 0.1, 0.1, 0.45])
-    plot_total_cost_bar(n, ax2)
+    plot_total_cost_bar(n, config["plotting"], ax=ax2)
 
     ll = wildcards.ll
     ll_type = ll[0]
@@ -287,4 +286,4 @@ if __name__ == "__main__":
     fig.suptitle('Expansion to {amount} {label} at {clusters} clusters'
                 .format(amount=amnt, label=lbl, clusters=wildcards.clusters))
 
-    fig.savefig(out.ext, transparent=True, bbox_inches='tight')
+    fig.savefig(snakemake.output.ext, transparent=True, bbox_inches='tight')