diff --git a/README.md b/README.md
index a1bcd96..e99c77d 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ Usage:
 ```
 python summary.py
 ```
-- INPUTFILE: summary.cfg (configuration of kilometers or miles and net battery size in kWh)
+- INPUTFILE: summary.cfg (configuration of kilometers or miles, net battery size in kWh, average cost per kWh and cost currency)
 - INPUTFILE: monitor.csv
 - standard output: summary per DAY, WEEK, MONTH, YEAR in csv format
 
@@ -177,20 +177,20 @@ The summary of the previous monitor.csv file.
 output:
 ```
 C:\Users\Rick\git\monitor>python summary.py
-Label, date      , driven km, charged%, discharged%, charges, drives, km/kWh, kWh/100km
-DAY  , 2022-09-17,       0.0,      +3%,           0,       1,      0,    0.0,       0.0
-DAY  , 2022-09-18,       0.0,      +2%,           0,       0,      0,    0.0,       0.0
-WEEK , 2022 W37  ,       0.0,      +5%,           0,       1,      0,    0.0,       0.0
-DAY  , 2022-09-19,       6.5,      +0%,           0,       0,      2,    0.0,       0.0
-DAY  , 2022-09-20,      47.6,      +0%,         -14,       0,      2,    4.9,      20.6
-DAY  , 2022-09-21,       5.2,     +19%,           0,       2,      2,    0.0,       0.0
-DAY  , 2022-09-22,       1.9,      +2%,           0,       1,      1,    0.0,       0.0
-DAY  , 2022-09-23,       1.7,     +24%,           0,       2,      1,    0.0,       0.0
-DAY  , 2022-09-24,     407.8,     +37%,         -95,       1,      6,    6.1,      16.3
-DAY  , 2022-09-25,       0.0,      +6%,           0,       0,      0,    0.0,       0.0
-WEEK , 2022 W38  ,     470.7,     +88%,         -98,       6,     14,    6.9,      14.6
-MONTH, 2022-09   ,     470.7,     +93%,         -97,       7,     14,    6.9,      14.4
-YEAR , 2022      ,     470.7,     +93%,         -97,       7,     14,    6.9,      14.4
+Label, date      , driven km, charged%, discharged%, charges, drives, km/kWh, kWh/100km, cost Euro
+DAY  , 2022-09-17,       0.0,      +3%,           0,       1,      0,    0.0,       0.0,      0.00
+DAY  , 2022-09-18,       0.0,      +2%,           0,       0,      0,    0.0,       0.0,      0.00
+WEEK , 2022 W37  ,       0.0,      +5%,           0,       1,      0,    0.0,       0.0,      0.00
+DAY  , 2022-09-19,       6.5,      +0%,           0,       0,      2,    0.0,       0.0,      0.00
+DAY  , 2022-09-20,      47.6,      +0%,         -14,       0,      2,    4.9,      20.6,      2.41
+DAY  , 2022-09-21,       5.2,     +19%,           0,       2,      2,    0.0,       0.0,      0.00
+DAY  , 2022-09-22,       1.9,      +2%,           0,       1,      1,    0.0,       0.0,      0.00
+DAY  , 2022-09-23,       1.7,     +24%,           0,       2,      1,    0.0,       0.0,      0.00
+DAY  , 2022-09-24,     407.8,     +37%,         -95,       1,      6,    6.1,      16.3,     16.36
+DAY  , 2022-09-25,       0.0,      +6%,           0,       0,      0,    0.0,       0.0,      0.00
+WEEK , 2022 W38  ,     470.7,     +88%,         -98,       6,     14,    6.9,      14.6,     16.88
+MONTH, 2022-09   ,     470.7,     +93%,         -97,       7,     14,    6.9,      14.4,     16.70
+YEAR , 2022      ,     470.7,     +93%,         -97,       7,     14,    6.9,      14.4,     16.70
 ```
 
 2022-09-24 I did a trip from 100% SOC to 5% SOC, have driven 407.8 km and started charging when back at home.
diff --git a/summary.py b/summary.py
index 8311035..d685caa 100644
--- a/summary.py
+++ b/summary.py
@@ -19,6 +19,8 @@
 
 ODO_METRIC = monitor_settings['odometer_metric']
 NET_BATTERY_SIZE_KWH = float(monitor_settings['net_battery_size_kwh'])
+AVERAGE_COST_PER_KWH = float(monitor_settings['average_cost_per_kwh'])
+COST_CURRENCY = monitor_settings['cost_currency']
 
 # indexes to splitted monitor.csv items
 DT = 0   # datetime
@@ -66,7 +68,7 @@ def same_day(d_1: datetime, d_2: datetime):
     return d_1.year == d_2.year
 
 
-print(f"Label, date      , driven {ODO_METRIC}, charged%, discharged%, charges, drives, {ODO_METRIC}/kWh, kWh/100{ODO_METRIC}")  # noqa pylint:disable=line-too-long
+print(f"Label, date      , driven {ODO_METRIC}, charged%, discharged%, charges, drives, {ODO_METRIC}/kWh, kWh/100{ODO_METRIC}, cost {COST_CURRENCY}")  # noqa pylint:disable=line-too-long
 
 
 def compute_deltas(prefix, current, values):
@@ -81,7 +83,9 @@ def compute_deltas(prefix, current, values):
     drives = values[5]
     km_mi_per_kwh = 0.0
     kwh_per_km_mi = 0.0
+    cost = 0.00
     if discharged < -2:
+        cost = NET_BATTERY_SIZE_KWH / 100 * -discharged * AVERAGE_COST_PER_KWH
         km_mi_per_kwh = delta_odo / (NET_BATTERY_SIZE_KWH / 100 * -discharged)
         if km_mi_per_kwh > 0.0:
             kwh_per_km_mi = 100 / km_mi_per_kwh
@@ -89,7 +93,7 @@ def compute_deltas(prefix, current, values):
         # do not show small discharges
         discharged = 0
     if charged > 0 or discharged < 0 or delta_odo > 1.0 or drives > 0:
-        print(f"{prefix:17}, {delta_odo:9.1f}, {charged:+7}%, {discharged:11}, {charges:7}, {drives:6}, {km_mi_per_kwh:6.1f}, {kwh_per_km_mi:9.1f}")  # noqa pylint:disable=line-too-long
+        print(f"{prefix:17}, {delta_odo:9.1f}, {charged:+7}%, {discharged:11}, {charges:7}, {drives:6}, {km_mi_per_kwh:6.1f}, {kwh_per_km_mi:9.1f}, {cost:9.2f}")  # noqa pylint:disable=line-too-long
 
 
 def init(current_day, odo):