diff --git a/data_manager.py b/data_manager.py
index d1b19fb..38ee3fd 100644
--- a/data_manager.py
+++ b/data_manager.py
@@ -5,15 +5,12 @@ class Constant:
 
 class DataManager:
     def __init__(self) -> None:
-        self.Pv = []
         self.Prices = []
         self.Load_Consumption = []
         self.Temperature = []
         self.Irradiance = []
         self.Wind = []
 
-    def add_pv_element(self, element): self.Pv.append(element)
-
     def add_price_element(self, element): self.Prices.append(element)
 
     def add_load_element(self, element): self.Load_Consumption.append(element)
@@ -25,9 +22,6 @@ class DataManager:
     def add_wind_element(self, element): self.Wind.append(element)
 
     # get current time data based on given month day, and day_time
-    def get_pv_data(self, month, day, day_time):
-        return self.Pv[(sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24 + day_time]
-
     def get_price_data(self, month, day, day_time):
         return self.Prices[(sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24 + day_time]
 
@@ -44,10 +38,6 @@ class DataManager:
         return self.Wind[(sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24 + day_time]
 
     # get series data for one episode
-    def get_series_pv_data(self, month, day):
-        return self.Pv[(sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24:
-                       (sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24 + 24]
-
     def get_series_price_data(self, month, day):
         return self.Prices[(sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24:
                            (sum(Constant.MONTHS_LEN[:month - 1]) + day - 1) * 24 + 24]
diff --git a/parameters.py b/parameters.py
index ceaab56..9113baa 100644
--- a/parameters.py
+++ b/parameters.py
@@ -35,15 +35,15 @@ battery_parameters = {
 }
 
 dg_parameters = {
-    'gen_1': {'a': 0.0034, 'b': 3, 'c': 30, 'd': 0.03, 'e': 4.2, 'f': 0.031,
+    'gen_1': {'a': 0.0034, 'b': 3, 'c': 30,
               'power_output_max': 150, 'power_output_min': 10,
               'ramping_up': 100, 'ramping_down': 100, 'min_up': 2, 'min_down': 1},
 
-    'gen_2': {'a': 0.001, 'b': 10, 'c': 40, 'd': 0.03, 'e': 4.2, 'f': 0.031,
+    'gen_2': {'a': 0.001, 'b': 10, 'c': 40,
               'power_output_max': 375, 'power_output_min': 50,
               'ramping_up': 100, 'ramping_down': 100, 'min_up': 2, 'min_down': 1},
 
-    'gen_3': {'a': 0.001, 'b': 15, 'c': 70, 'd': 0.03, 'e': 4.2, 'f': 0.031,
+    'gen_3': {'a': 0.001, 'b': 15, 'c': 70,
               'power_output_max': 500, 'power_output_min': 100,
               'ramping_up': 200, 'ramping_down': 200, 'min_up': 2, 'min_down': 1}
 }