diff --git a/backend/services/planning/db_io.py b/backend/services/planning/db_io.py
index 12f5721..92ccd69 100644
--- a/backend/services/planning/db_io.py
+++ b/backend/services/planning/db_io.py
@@ -99,6 +99,9 @@ async def _load_site_context(site_id: int, db):
         planner_neg_sell_full_soc_tail_slots=int(
             b.get("planner_neg_sell_full_soc_tail_slots") or 4
         ),
+        planner_safety_soc_risk_factor=float(
+            b.get("planner_safety_soc_risk_factor") or 0.0
+        ),
         planner_pv_risk_frontload_czk_kwh=float(
             b.get("planner_pv_risk_frontload_czk_kwh") or 0.0
         ),
diff --git a/backend/services/planning/solver_v2.py b/backend/services/planning/solver_v2.py
index 0469a7f..017cc05 100644
--- a/backend/services/planning/solver_v2.py
+++ b/backend/services/planning/solver_v2.py
@@ -26,6 +26,10 @@
 #     indiference v čase; odložení ale spoléhá na predikci (večerní mrak).
 #     Malá prémie za držení energie dřív (DB planner_pv_risk_frontload_czk_kwh)
 #     vede k "nabít plným výkonem hned, pak řezat A" — emergentně, bez rampy.
+#   - denní SoC rampa: deficit pod slot.safety_soc_target_wh (R__063: reserve →
+#     reserve+noc, 6–19 h) platí za slot nájem buy×faktor (DB
+#     planner_safety_soc_risk_factor) — ráno se nejdřív dotáhne rezerva
+#     (nenadálý odběr by se kupoval draho), pak se prodává.
 #
 # Vědomé odchylky od v1 (změří harness):
 #   - SQL masky allow_charge / allow_discharge_export se IGNORUJÍ (jsou to
@@ -157,6 +161,16 @@ def solve_dispatch_v2(
     ]
     ev_unmet: list = []  # slack Wh per session (cena V2_EV_UNMET_CZK_KWH)
     nb_buffer_wh = [max(0.0, float(s.night_baseload_buffer_wh or 0.0)) for s in slots]
+    safety_risk = float(getattr(battery, "planner_safety_soc_risk_factor", 0.0) or 0.0)
+    safety_tgt_wh = [
+        min(soc_max, max(0.0, float(s.safety_soc_target_wh or 0.0)))
+        if safety_risk > 0 else 0.0
+        for s in slots
+    ]
+    ds_slack = [
+        pulp.LpVariable(f"dss_{t}", 0, soc_max) if safety_tgt_wh[t] > 0 else None
+        for t in range(T)
+    ]
     nb_slack = [
         pulp.LpVariable(f"nbs_{t}", 0, nb_buffer_wh[t]) if nb_buffer_wh[t] > 0 else None
         for t in range(T)
@@ -215,6 +229,10 @@ def solve_dispatch_v2(
         if nb_slack[t] is not None:
             prob += soc[t] >= soc_min + nb_buffer_wh[t] - nb_slack[t], f"night_buf_{t}"
 
+        # denní SoC rampa (viz hlavička): soft floor k safety targetu
+        if ds_slack[t] is not None:
+            prob += soc[t] >= safety_tgt_wh[t] - ds_slack[t], f"day_safety_{t}"
+
         # tvrdá cenová pravidla
         if float(s.buy_price) < 0.0:
             prob += ge_pv[t] + ge_bat[t] == 0, f"neg_buy_noexp_{t}"
@@ -311,6 +329,13 @@ def solve_dispatch_v2(
     ]
     if nb_terms:
         extras += pulp.lpSum(nb_terms)
+    ds_terms = [
+        ds_slack[t] / 1000.0 * max(0.0, float(slots[t].buy_price)) * safety_risk
+        for t in range(T)
+        if ds_slack[t] is not None
+    ]
+    if ds_terms:
+        extras += pulp.lpSum(ds_terms)
     frontload = float(getattr(battery, "planner_pv_risk_frontload_czk_kwh", 0.0) or 0.0)
     neg_idx = [t for t in range(T) if float(slots[t].sell_price) < 0.0]
     if frontload > 0 and neg_idx:
@@ -418,6 +443,8 @@ def solve_dispatch_v2(
             "masks_ignored": True,
             "night_buffer_slots": sum(1 for b in nb_buffer_wh if b > 0),
             "pv_risk_frontload_czk_kwh": frontload if neg_idx else 0.0,
+            "safety_soc_risk_factor": safety_risk,
+            "safety_soc_slots": sum(1 for x in safety_tgt_wh if x > 0),
             "night_buffer_max_wh": round(max(nb_buffer_wh), 1) if nb_buffer_wh else 0,
         },
         "objective_terms": {
diff --git a/backend/tests/test_solver_v2.py b/backend/tests/test_solver_v2.py
index 3acc309..9760754 100644
--- a/backend/tests/test_solver_v2.py
+++ b/backend/tests/test_solver_v2.py
@@ -193,6 +193,44 @@ class NightReserveTests(unittest.TestCase):
         self.assertEqual(len(results), 8)
 
 
+class DaytimeSafetyRampTests(unittest.TestCase):
+    def test_morning_tops_up_reserve_before_selling(self) -> None:
+        # KV1 scénář: ráno baterie u dna, fixní buy 6.35 >> sell 2.5, PV jede;
+        # s rampou (target 30 % usable) musí nejdřív dotáhnout rezervu, ne prodávat
+        bat = _battery()
+        bat.planner_safety_soc_risk_factor = 0.05
+        target_wh = 0.30 * bat.usable_capacity_wh
+        slots = []
+        for i in range(16):
+            s = _slot(_BASE, i, buy=6.35, sell=2.5, pv_a=6000, load=800)
+            s.safety_soc_target_wh = target_wh
+            slots.append(s)
+        results, _, _ = _solve(slots, battery=bat, soc0=0.11 * bat.usable_capacity_wh)
+        soc_pct = [r.battery_soc_target for r in results]
+        first_reach = next((i for i, v in enumerate(soc_pct) if v >= 29.5), None)
+        self.assertIsNotNone(first_reach, "rampa má dotáhnout na rezervu")
+        exported_before = sum(
+            -r.grid_setpoint_w for r in results[:first_reach] if r.grid_setpoint_w < 0
+        )
+        self.assertLess(
+            exported_before, 500 * max(1, first_reach),
+            "před dosažením rezervy se nemá významně prodávat",
+        )
+
+    def test_sell_spike_beats_ramp(self) -> None:
+        # extrémní sell nad buy → deficit je racionální podstoupit
+        bat = _battery()
+        bat.planner_safety_soc_risk_factor = 0.05
+        slots = []
+        for i in range(16):
+            s = _slot(_BASE, i, buy=2.0, sell=14.0, pv_a=2000, load=300)
+            s.safety_soc_target_wh = 0.5 * bat.usable_capacity_wh
+            slots.append(s)
+        results, _, _ = _solve(slots, battery=bat, soc0=0.45 * bat.usable_capacity_wh)
+        total_export = sum(-r.grid_setpoint_w for r in results if r.grid_setpoint_w < 0)
+        self.assertGreater(total_export, 5000, "spike má vyprodat i pod target")
+
+
 class PvRiskFrontloadTests(unittest.TestCase):
     def test_neg_window_charges_asap(self) -> None:
         # sell<0 okno, PV >> load, prázdnější baterie: s frontload prémií musí
diff --git a/db/migration/V091__safety_soc_risk_factor.sql b/db/migration/V091__safety_soc_risk_factor.sql
new file mode 100644
index 0000000..cdc8f5a
--- /dev/null
+++ b/db/migration/V091__safety_soc_risk_factor.sql
@@ -0,0 +1,13 @@
+-- Denní SoC bezpečnostní rampa ve v2: deficit pod safety_soc_target_wh
+-- (R__063: rampa reserve→reserve+noční potřeba, 6–19 h) platí za každý slot
+-- "nájem" = buy_cena × faktor. Ráno tak baterie nejdřív dotáhne na ~reserve
+-- (KV1/BA81 30 %) a teprve pak prodává — nenadálý odběr/mrak nekupuje za
+-- draho ze sítě. Extrémní sell špička smí deficit racionálně podstoupit.
+-- 0 = vypnuto; default 0.05 (deficit 1 kWh držený 4 h při buy 6 Kč ≈ 4.8 Kč).
+
+alter table ems.asset_battery
+  add column if not exists planner_safety_soc_risk_factor numeric(5, 3)
+    not null default 0.05;
+
+comment on column ems.asset_battery.planner_safety_soc_risk_factor is
+'v2: podíl buy ceny účtovaný za KAŽDÝ 15min slot deficitu pod safety_soc_target_wh (denní rampa z R__063). Ocenění rizika nenadálého odběru při slabé predikci. 0 = vypnuto.';
diff --git a/db/routines/R__039_fn_planning_site_context.sql b/db/routines/R__039_fn_planning_site_context.sql
index c1c2901..cc6fc81 100644
--- a/db/routines/R__039_fn_planning_site_context.sql
+++ b/db/routines/R__039_fn_planning_site_context.sql
@@ -76,7 +76,8 @@ begin
     'planner_neg_sell_prep_soc_percent', coalesce(ab.planner_neg_sell_prep_soc_percent, 80::numeric),
     'planner_neg_sell_full_soc_tail_slots', coalesce(ab.planner_neg_sell_full_soc_tail_slots, 4),
     'planner_neg_sell_vent_min_sell_czk_kwh', ab.planner_neg_sell_vent_min_sell_czk_kwh,
-    'planner_pv_risk_frontload_czk_kwh', coalesce(ab.planner_pv_risk_frontload_czk_kwh, 0.01)
+    'planner_pv_risk_frontload_czk_kwh', coalesce(ab.planner_pv_risk_frontload_czk_kwh, 0.01),
+    'planner_safety_soc_risk_factor', coalesce(ab.planner_safety_soc_risk_factor, 0.05)
   )
   into v_b
   from ems.asset_battery ab