diff --git a/applications/modelling_e2e/handler.py b/applications/modelling_e2e/handler.py
index b4848f694..bf9ca8b06 100644
--- a/applications/modelling_e2e/handler.py
+++ b/applications/modelling_e2e/handler.py
@@ -512,12 +512,11 @@ def handler(
         # held-open read Session. (The ``finally`` is the safety net.)
         scenario = ScenarioPostgresRepository(read_session).get_many([scenario_id])[0]
         products = catalogue_snapshot_with_off_catalogue_overrides(read_session)
+        # Stored Solar is read whatever refetch_solar says — the flag decides
+        # whether a UPRN with no stored row gets a live Google fetch, never
+        # whether solar is modelled at all.
         stored_solar: dict[int, Optional[dict[str, Any]]] = (
-            {}
-            if not refetch_solar
-            else SolarPostgresRepository(read_session).get_many(
-                list(set(uprns.values()))
-            )
+            SolarPostgresRepository(read_session).get_many(list(set(uprns.values())))
         )
         epc_repo = EpcPostgresRepository(read_session)
         stored_lodged_epcs: dict[int, EpcPropertyData] = (
@@ -615,15 +614,16 @@ def handler(
                     landlord_overrides=overrides,
                 ).effective_epc
 
-            solar_insights: Optional[dict[str, Any]]
+            # refetch_solar gates ONLY the paid Google call for UPRNs with no
+            # stored row; stored insights always feed the Modelling stage.
+            # (False here once meant "no solar at all" — the pre-rename
+            # `no_solar` semantics — which silently stripped solar from every
+            # plan in a re-model batch.)
+            solar_insights: Optional[dict[str, Any]] = stored_solar.get(uprn)
             solar_was_fetched = False
-            if not refetch_solar:
-                solar_insights = None
-            else:
-                solar_insights = stored_solar.get(uprn)
-                if solar_insights is None:
-                    solar_insights = _solar_insights_for(solar_client, spatial)
-                    solar_was_fetched = solar_insights is not None
+            if solar_insights is None and refetch_solar:
+                solar_insights = _solar_insights_for(solar_client, spatial)
+                solar_was_fetched = solar_insights is not None
 
             plan = run_modelling(
                 effective_epc,