diff --git a/domain/modelling/generators/solar_recommendation.py b/domain/modelling/generators/solar_recommendation.py
index c344d0447..6b5b18f4a 100644
--- a/domain/modelling/generators/solar_recommendation.py
+++ b/domain/modelling/generators/solar_recommendation.py
@@ -195,13 +195,19 @@ _MIN_SUB_LADDER_PANELS = 2
 def _resized_to(
     config: SolarPanelConfiguration, panels: int
 ) -> SolarPanelConfiguration:
-    """A copy of ``config`` filled to ``panels`` panels, each kept segment's
-    yearly energy scaled pro-rata (conservative: Google places panels
-    best-first within a segment, so the kept panels' true yield is at least
-    the pro-rata figure)."""
+    """A copy of ``config`` filled to ``panels`` panels — taken from the
+    highest per-panel-yield segments first (the ADR-0038 fill-by-generation
+    precedent) — each kept segment's yearly energy scaled pro-rata
+    (conservative: Google places panels best-first within a segment, so the
+    kept panels' true yield is at least the pro-rata figure)."""
+    by_yield: list[SolarRoofSegment] = sorted(
+        config.segments,
+        key=lambda s: s.yearly_energy_dc_kwh / s.panels_count,
+        reverse=True,
+    )
     kept: list[SolarRoofSegment] = []
     remaining: int = panels
-    for segment in config.segments:
+    for segment in by_yield:
         if remaining <= 0:
             break
         take: int = min(segment.panels_count, remaining)