Update electric_storage_defaults.json

Update default costs to use 2025 costs converted to 2025$ instead of 2026 costs converted to 2025$. Also change size class names per feedback.

Author: rathod-b

data/energy_storage/electric_storage/electric_storage_defaults.json

@@ -4,26 +4,26 @@
       "size_class": 1,
       "name": "Residential",
       "size_class_bounds_kw": [0, 40],
-      "installed_cost_per_kw": 695,
-      "installed_cost_per_kwh": 580,
+      "installed_cost_per_kw": 705,
+      "installed_cost_per_kwh": 616,
       "installed_cost_constant": 0,
       "notes": "Based on ATB 2025 Residential costs modeled for a 12.5 kWh 4-hour battery system in 2025 dollars"
     },
     {
       "size_class": 2,
-      "name": "Small-Commercial",
+      "name": "Commercial",
       "size_class_bounds_kw": [40, 400],
-      "installed_cost_per_kw": 667,
-      "installed_cost_per_kwh": 527,
+      "installed_cost_per_kw": 676,
+      "installed_cost_per_kwh": 560,
       "installed_cost_constant": 0,
       "notes": "Interpolated costs from ATB 2025 Residential and Commercial battery system costs in 2025 dollars"
     },
     {
       "size_class": 3,
-      "name": "Commercial",
+      "name": "Large-Commercial",
       "size_class_bounds_kw": [400,1.0e6],
-      "installed_cost_per_kw": 520,
-      "installed_cost_per_kwh": 262,
+      "installed_cost_per_kw": 527,
+      "installed_cost_per_kwh": 278,
       "installed_cost_constant": 0,
       "notes": "Based on ATB 2025 Commercial costs modeled for a 7200 kWh 1800 kW battery system in 2025 dollars"
     }