diff --git a/main.py b/main.py
index 6085715..c3d1015 100644
--- a/main.py
+++ b/main.py
@@ -21,7 +21,7 @@ plt.rcParams['font.sans-serif'] = ['SimHei', 'Microsoft YaHei', 'DejaVu Sans']
 plt.rcParams['axes.unicode_minus'] = False
 
 
-def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, show_window=False, display_only=False):
+def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, storage_efficiency=0.9, show_window=False, display_only=False):
     """
     绘制系统运行曲线
 
@@ -216,6 +216,22 @@ def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, r
     print(f"  - 风电实际发电量: {total_wind_potential - total_curtail_wind:.2f} MWh")
     print(f"新能源利用率: {renewable_utilization_rate:.2f}%")
     print(f"新能源消纳电量占比: {renewable_consumption_ratio:.2f}%")
+    
+    # 计算储能损耗统计信息
+    total_charge = sum(result['charge_profile'])
+    total_discharge = sum(result['discharge_profile'])
+    
+    # 储能损耗 = 充电量 - (放电量 / 效率)
+    storage_loss = total_charge - (total_discharge / storage_efficiency if storage_efficiency > 0 else 1)
+    storage_efficiency_actual = (total_discharge / total_charge * 100) if total_charge > 0 else 0
+    
+    print(f"\n=== 储能损耗统计 ===")
+    print(f"总充电量: {total_charge:.2f} MWh")
+    print(f"总放电量: {total_discharge:.2f} MWh")
+    print(f"储能效率: {storage_efficiency:.2f}")
+    print(f"实际充放电效率: {storage_efficiency_actual:.2f}%")
+    print(f"储能损耗电量: {storage_loss:.2f} MWh")
+    print(f"储能损耗率: {(storage_loss/total_charge*100) if total_charge > 0 else 0:.2f}%")
 
 
 def export_results_to_excel(solar_output, wind_output, thermal_output, load_demand, result, params, filename=None):
@@ -599,7 +615,7 @@ def main():
 
     # 绘制曲线
     print("正在绘制系统运行曲线...")
-    plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, show_window, display_only)
+    plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, params.storage_efficiency, show_window, display_only)
 
     # 导出结果到Excel
     try: