diff --git a/INTERFACE.yaml b/INTERFACE.yaml
index 20e10bf..069a5af 100644
--- a/INTERFACE.yaml
+++ b/INTERFACE.yaml
@@ -24,8 +24,9 @@ pathvars:
         WDPA protected areas database from https://www.protectedplanet.net/ in GeoDB format (choose 'File Geodatabase' when downloading).
   results:
     area_potential:
-      default: "<results>/{shape}/area_potential_{tech}.tif"
+      default: "<results>/{shape}/{scenario}/area_potential_{tech}.tif"
       description: "Area potential GeoTIFF raster for the specified technology across all subunits."
 wildcards:
   shape: "Name of the shape to be processed, e.g., 'world', 'europe', 'MEX'."
   tech: "Name of the technology, e.g., 'pv_rooftop' or 'wind_offshore'. Available technologies are defined in the module configuration."
+  scenario: "Scenario name from the module configuration."
diff --git a/config/config.yaml b/config/config.yaml
index 947d727..03aba1e 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -8,87 +8,91 @@ split_by: country_id  # likely country_id or shape_id
 
 # Optional - specify land_cover_types here to override the internal defaults.
 
-techs:
-  pv_rooftop:
-    initial_area: settlement_area
-    continuous_layers:
-      settlement_share:
-        min: 0.01
-        max: 1
-        share: 0.8
-    binary_layers:
-      regions_maritime: 0
-      regions_land: 1
-      protected: 0
-      # Include all land cover types; selection is done by settlement_share
-      landcover_FARM: 1
-      landcover_FOREST: 1
-      landcover_URBAN: 1
-      landcover_OTHER: 1
-      landcover_NOT_SUITABLE: 0
-      landcover_WATER: 0
-  pv_open_field:
-    initial_area: pixel_area
-    continuous_layers:
-      slope:
-        min: 0
-        max: 3
-      settlement_share:
-        min: 0
-        max: 0.01
-    binary_layers:
-      regions_maritime: 0
-      regions_land: 1
-      protected: 0
-      landcover_FARM: 0.1
-      landcover_FOREST: 0
-      landcover_URBAN: 0
-      landcover_OTHER: 0.2
-      landcover_NOT_SUITABLE: 0
-      landcover_WATER: 0
-  wind_onshore:
-    initial_area: pixel_area
-    continuous_layers:
-      slope:
-        min: 0
-        max: 20
-      settlement_share:
-        min: 0
-        max: 0.01
-    binary_layers:
-      regions_maritime: 0
-      regions_land: 1
-      protected: 0
-      landcover_FARM: 0.2
-      landcover_FOREST: 0.05
-      landcover_URBAN: 0
-      landcover_OTHER: 0.3
-      landcover_NOT_SUITABLE: 0
-      landcover_WATER: 0
-  wind_offshore:
-    initial_area: pixel_area
-    continuous_layers:
-      bathymetry:
-        min: -50
-        max: 0
-        share: 0.8
-    binary_layers:
-      regions_land: 0
-      regions_maritime: 1
-      protected: 0
-    shapes_buffer:
-      land: 10000  # meters
+scenarios:
+  # Define at least one scenario. Multiple scenarios can be used to study
+  # the effect of different assumptions on the results.
+  base:
+    techs:
+      pv_rooftop:
+        initial_area: settlement_area
+        continuous_layers:
+          settlement_share:
+            min: 0.01
+            max: 1
+            share: 0.8
+        binary_layers:
+          regions_maritime: 0
+          regions_land: 1
+          protected: 0
+          # Include all land cover types; selection is done by settlement_share
+          landcover_FARM: 1
+          landcover_FOREST: 1
+          landcover_URBAN: 1
+          landcover_OTHER: 1
+          landcover_NOT_SUITABLE: 0
+          landcover_WATER: 0
+      pv_open_field:
+        initial_area: pixel_area
+        continuous_layers:
+          slope:
+            min: 0
+            max: 3
+          settlement_share:
+            min: 0
+            max: 0.01
+        binary_layers:
+          regions_maritime: 0
+          regions_land: 1
+          protected: 0
+          landcover_FARM: 0.1
+          landcover_FOREST: 0
+          landcover_URBAN: 0
+          landcover_OTHER: 0.2
+          landcover_NOT_SUITABLE: 0
+          landcover_WATER: 0
+      wind_onshore:
+        initial_area: pixel_area
+        continuous_layers:
+          slope:
+            min: 0
+            max: 20
+          settlement_share:
+            min: 0
+            max: 0.01
+        binary_layers:
+          regions_maritime: 0
+          regions_land: 1
+          protected: 0
+          landcover_FARM: 0.2
+          landcover_FOREST: 0.05
+          landcover_URBAN: 0
+          landcover_OTHER: 0.3
+          landcover_NOT_SUITABLE: 0
+          landcover_WATER: 0
+      wind_offshore:
+        initial_area: pixel_area
+        continuous_layers:
+          bathymetry:
+            min: -50
+            max: 0
+            share: 0.8
+        binary_layers:
+          regions_land: 0
+          regions_maritime: 1
+          protected: 0
+        shapes_buffer:
+          land: 10000  # meters
 
-# Optional: override settings for specific subunits (countries, regions, etc.)
-# This allows you to set specific parameters that differ from the defaults,
-# or apply settings that are not defined in the defaults (defaults = `techs` section).
-# The subunit keys should match the subunit IDs used in column selected in `split_by`.
-overrides:
-  PRT:  # Inside a subunit, any setting from `techs` can be overridden
-    wind_offshore:
-      shapes_buffer:
-        land: 2000  # meters
-  NLD:
-    wind_offshore:
-      shapes_buffer:
-        land: 22000  # 22 km = 12 nautical miles
+    # Optional: override settings for specific subunits (countries, regions, etc.)
+    # This allows you to set specific parameters that differ from the defaults,
+    # or apply settings that are not defined in the defaults (defaults = `techs` section).
+    # The subunit keys should match the subunit IDs used in column selected in `split_by`.
+    overrides:
+      PRT:  # Inside a subunit, any setting from `techs` can be overridden
+        wind_offshore:
+          shapes_buffer:
+            land: 2000  # meters
+      NLD:
+        wind_offshore:
+          shapes_buffer:
+            land: 22000  # 22 km = 12 nautical miles
diff --git a/tests/integration/Snakefile b/tests/integration/Snakefile
index 186b871..819f364 100644
--- a/tests/integration/Snakefile
+++ b/tests/integration/Snakefile
@@ -60,7 +60,7 @@ module module_area_potentials:
         shapes="resources/inputs/shapes/{shape}.parquet",
         wdpa="resources/inputs/wdpa.gdb",
         # Redirect specific module results (outputs)
-        area_potential="results/outputs/{shape}/area_potential_{tech}.tif",
+        area_potential="results/outputs/{shape}/{scenario}/area_potential_{tech}.tif",
         # Redirect module intermediate files
         logs="resources/module/logs",
         resources="resources/module/resources",
@@ -80,6 +80,6 @@ rule all:
     default_target: True
     input:
         # The report file requires all area potential output files
-        "resources/module/results/NLD/area_potential_report.html",
+        "resources/module/results/NLD/base/area_potential_report.html",
     message:
         "Run the module for the Netherlands shapes."
diff --git a/tests/integration/test_config.yaml b/tests/integration/test_config.yaml
index 3a579f4..74be30d 100644
--- a/tests/integration/test_config.yaml
+++ b/tests/integration/test_config.yaml
@@ -2,73 +2,75 @@ module_area_potentials:
   tiny_files: True
   buffer_crs: "epsg:8857"
   split_by: country_id
-  techs:
-    pv_rooftop:
-      initial_area: settlement_area
-      continuous_layers:
-        settlement_share:
-          min: 0.01
-          max: 1
-          share: 0.8
-      binary_layers:
-        regions_maritime: 0
-        regions_land: 1
-        protected: 0
-        # Include all land cover types; selection is done by settlement_share
-        landcover_FARM: 1
-        landcover_FOREST: 1
-        landcover_URBAN: 1
-        landcover_OTHER: 1
-        landcover_NOT_SUITABLE: 0
-        landcover_WATER: 0
-    pv_open_field:
-      initial_area: pixel_area
-      continuous_layers:
-        slope:
-          min: 0
-          max: 3
-        settlement_share:
-          min: 0
-          max: 0.01
-      binary_layers:
-        regions_maritime: 0
-        regions_land: 1
-        protected: 0
-        landcover_FARM: 0.1
-        landcover_FOREST: 0
-        landcover_URBAN: 0
-        landcover_OTHER: 0.2
-        landcover_NOT_SUITABLE: 0
-        landcover_WATER: 0
-    wind_onshore:
-      initial_area: pixel_area
-      continuous_layers:
-        slope:
-          min: 0
-          max: 20
-        settlement_share:
-          min: 0
-          max: 0.01
-      binary_layers:
-        regions_maritime: 0
-        regions_land: 1
-        protected: 0
-        landcover_FARM: 0.2
-        landcover_FOREST: 0.05
-        landcover_URBAN: 0
-        landcover_OTHER: 0.3
-        landcover_NOT_SUITABLE: 0
-        landcover_WATER: 0
-    wind_offshore:
-      initial_area: pixel_area
-      continuous_layers:
-        bathymetry:
-          min: -50
-          max: 0
-          share: 0.8
-      binary_layers:
-        regions_land: 0
-        regions_maritime: 1
-        protected: 0
-      shapes_buffer:
-        land: 10000  # meters
+  scenarios:
+    base:
+      techs:
+        pv_rooftop:
+          initial_area: settlement_area
+          continuous_layers:
+            settlement_share:
+              min: 0.01
+              max: 1
+              share: 0.8
+          binary_layers:
+            regions_maritime: 0
+            regions_land: 1
+            protected: 0
+            # Include all land cover types; selection is done by settlement_share
+            landcover_FARM: 1
+            landcover_FOREST: 1
+            landcover_URBAN: 1
+            landcover_OTHER: 1
+            landcover_NOT_SUITABLE: 0
+            landcover_WATER: 0
+        pv_open_field:
+          initial_area: pixel_area
+          continuous_layers:
+            slope:
+              min: 0
+              max: 3
+            settlement_share:
+              min: 0
+              max: 0.01
+          binary_layers:
+            regions_maritime: 0
+            regions_land: 1
+            protected: 0
+            landcover_FARM: 0.1
+            landcover_FOREST: 0
+            landcover_URBAN: 0
+            landcover_OTHER: 0.2
+            landcover_NOT_SUITABLE: 0
+            landcover_WATER: 0
+        wind_onshore:
+          initial_area: pixel_area
+          continuous_layers:
+            slope:
+              min: 0
+              max: 20
+            settlement_share:
+              min: 0
+              max: 0.01
+          binary_layers:
+            regions_maritime: 0
+            regions_land: 1
+            protected: 0
+            landcover_FARM: 0.2
+            landcover_FOREST: 0.05
+            landcover_URBAN: 0
+            landcover_OTHER: 0.3
+            landcover_NOT_SUITABLE: 0
+            landcover_WATER: 0
+        wind_offshore:
+          initial_area: pixel_area
+          continuous_layers:
+            bathymetry:
+              min: -50
+              max: 0
+              share: 0.8
+          binary_layers:
+            regions_land: 0
+            regions_maritime: 1
+            protected: 0
+          shapes_buffer:
+            land: 10000  # meters
diff --git a/workflow/Snakefile b/workflow/Snakefile
index fcc85e9..71281ff 100644
--- a/workflow/Snakefile
+++ b/workflow/Snakefile
@@ -13,7 +13,7 @@ pathvars:
     shapes="<resources>/user/shapes/{shape}.parquet",
     wdpa="<resources>/user/wdpa.gdb",
     # Module results
-    area_potential="<results>/{shape}/area_potential_{tech}.tif",
+    area_potential="<results>/{shape}/{scenario}/area_potential_{tech}.tif",
 
 
 # Load the example configuration. This will be overridden by users.
@@ -36,7 +36,14 @@ workflow.source_path("scripts/_script_utils.py")
 wildcard_constraints:
     shape="[a-zA-Z0-9_-]+",
     subunit="[a-zA-Z0-9_]+",
-    tech="|".join(config["techs"].keys()),
+    scenario="|".join(config["scenarios"].keys()),
+    tech="|".join(
+        [
+            tech
+            for scenario in config["scenarios"]
+            for tech in config["scenarios"][scenario]["techs"]
+        ]
+    ),
 
 
 # Add all your includes here.
diff --git a/workflow/internal/config.schema.yaml b/workflow/internal/config.schema.yaml
index 0ff7423..aebe3e5 100644
--- a/workflow/internal/config.schema.yaml
+++ b/workflow/internal/config.schema.yaml
@@ -1,8 +1,7 @@
 $schema: "https://json-schema.org/draft/2020-12/schema"
 description: "Schema for user-provided configuration files."
-type: object
-additionalProperties: false
-properties:
+
+$defs:
   tiny_files:
     type: boolean
     description: "If True, use smaller, clipped files for processing. If False, use full global datasets."
@@ -52,3 +51,12 @@ properties:
     type: object
     additionalProperties:
       type: object
+
+  scenarios:
+    type: object
+    required:
+      - techs
+    additionalProperties: false
+    properties:
+      techs:
+        $ref: "#/$defs/techs"
diff --git a/workflow/rules/functions.smk b/workflow/rules/functions.smk
index 89a7fd0..36795a3 100644
--- a/workflow/rules/functions.smk
+++ b/workflow/rules/functions.smk
@@ -1,8 +1,12 @@
 def get_subunits(wildcards):
     checkpoint_output = checkpoints.breakup_shape.get(**wildcards).output[0]
     return expand(
-        "<results>/{{shape}}/{subunit}/area_potential_{{tech}}.tif",
+        "<results>/{{shape}}/{{scenario}}/{subunit}/area_potential_{{tech}}.tif",
         subunit=glob_wildcards(
             os.path.join(checkpoint_output, "{subunit}.parquet")
         ).subunit,
     )
+
+
+def get_techs(wildcards):
+    return config["scenarios"][wildcards.scenario]["techs"].keys()
diff --git a/workflow/rules/process.smk b/workflow/rules/process.smk
index 7e1f7b1..6b30574 100644
--- a/workflow/rules/process.smk
+++ b/workflow/rules/process.smk
@@ -59,23 +59,26 @@ rule area_potential:
         shapes=rules.breakup_shape.output,
         resampled_path=rules.prepare_resampled_inputs.output.resampled_input,
     output:
-        area_potential="<results>/{shape}/{subunit}/area_potential_{tech}.tif",
+        area_potential="<results>/{shape}/{scenario}/{subunit}/area_potential_{tech}.tif",
         plot=report(
-            "<results>/{shape}/{subunit}/area_potential_{tech}.png",
+            "<results>/{shape}/{scenario}/{subunit}/area_potential_{tech}.png",
             category="area_potential",
         ),
     log:
-        "<logs>/{shape}/{subunit}/area_potential_{tech}.log",
+        "<logs>/{shape}/{scenario}/{subunit}/area_potential_{tech}.log",
     conda:
         "../envs/module.yaml"
     params:
-        config=lambda wildcards: config["techs"][f"{wildcards.tech}"],
+        config=lambda wildcards: config["scenarios"][f"{wildcards.scenario}"]["techs"][
+            f"{wildcards.tech}"
+        ],
         subunit_override_config=lambda wildcards: config.get("overrides", {})
+        .get(wildcards.scenario, {})
         .get(wildcards.subunit, {})
         .get(wildcards.tech, {}),
         buffer_crs=lambda wildcards: config["buffer_crs"],
     message:
-        "Compute area potential for the tech {wildcards.tech} and {wildcards.subunit} in {wildcards.shape}."
+        "Compute area potential for the scenario {wildcards.scenario}, the tech {wildcards.tech} and {wildcards.subunit} in {wildcards.shape}."
     shell:
         """
         python {input.script:q} "{input.shapes}/{wildcards.subunit}.parquet" {input.resampled_path:q} {params.config:q} {params.buffer_crs:q} {output.area_potential:q} {output.plot:q} --override_config={params.subunit_override_config:q} 2>{log:q}
@@ -88,11 +91,11 @@ rule aggregate_area_potential:
     output:
         aggregated_area_potential="<area_potential>",
     log:
-        "<logs>/{shape}/aggregate_area_potential_{tech}.log",
+        "<logs>/{shape}/{scenario}/aggregate_area_potential_{tech}.log",
     conda:
         "../envs/module.yaml"
     message:
-        "Aggregate area potential for the tech {wildcards.tech} in {wildcards.shape}."
+        "Aggregate area potential for the scenario {wildcards.scenario} and the tech {wildcards.tech} in {wildcards.shape}."
     shell:
         """
         gdalwarp --config GDAL_CACHEMAX 3000 -wm 3000 -of GTiff -co COMPRESS=LZW {input} {output.aggregated_area_potential:q}
@@ -104,15 +107,15 @@ rule plot_aggregated_area_potential:
         rules.aggregate_area_potential.output.aggregated_area_potential,
     output:
         report(
-            "<results>/{shape}/area_potential_{tech}.png",
+            "<results>/{shape}/{scenario}/area_potential_{tech}.png",
             category="area_potential_plot",
         ),
     log:
-        "<logs>/{shape}/plot_aggregated_area_potential_{tech}.log",
+        "<logs>/{shape}/{scenario}/plot_aggregated_area_potential_{tech}.log",
     conda:
         "../envs/module.yaml"
     message:
-        "Plot aggregated area potential for the tech {wildcards.tech} in {wildcards.shape}."
+        "Plot aggregated area potential for the scenario {wildcards.scenario} and the tech {wildcards.tech} in {wildcards.shape}."
     script:
         "../scripts/tif_to_png.py"
 
@@ -122,24 +125,24 @@ rule area_potential_report:
         shapes="<shapes>",
         area_potentials=expand(
             workflow.pathvars.apply("<area_potential>"),
-            tech=config["techs"].keys(),
+            tech=get_techs,
             allow_missing=True,
         ),
         area_potential_plots=expand(
-            "<results>/{{shape}}/area_potential_{tech}.png",
-            tech=config["techs"].keys(),
+            "<results>/{{shape}}/{{scenario}}/area_potential_{tech}.png",
+            tech=get_techs,
         ),
     output:
-        csv="<results>/{shape}/area_potential_report.csv",
+        csv="<results>/{shape}/{scenario}/area_potential_report.csv",
         html=report(
-            "<results>/{shape}/area_potential_report.html",
+            "<results>/{shape}/{scenario}/area_potential_report.html",
             category="area_potential_report_table",
         ),
     log:
-        "<logs>/{shape}/area_potential_report.log",
+        "<logs>/{shape}/{scenario}/area_potential_report.log",
     conda:
         "../envs/module.yaml"
     message:
-        "Generate an overview report of the area potential for all techs in shapes {wildcards.shape}."
+        "Generate an overview report of the area potential for scenario {wildcards.scenario} for all techs in shapes {wildcards.shape}."
     script:
         "../scripts/report.py"