diff --git a/etc/psa_tariff/tariff01.json b/etc/psa_tariff/tariff01.json
index bb30375..876f79a 100644
--- a/etc/psa_tariff/tariff01.json
+++ b/etc/psa_tariff/tariff01.json
@@ -174,7 +174,8 @@
       "pop_min_price": 30,
       "pop_max_price": 150,
       "pop_carry_over": 0,
-      "pop_daily_card_price": 0
+      "pop_daily_card_price": 0,
+      "pop_time_step_config": 2
     }
   ],
   "PaymentRate": [