diff --git a/powersimdata/input/change_table.py b/powersimdata/input/change_table.py
index ff75f6da8..105d9b57f 100644
--- a/powersimdata/input/change_table.py
+++ b/powersimdata/input/change_table.py
@@ -5,6 +5,7 @@
     scale_congested_mesh_branches,
     scale_renewable_stubs,
 )
+from powersimdata.input.changes.electrification import add_electrification
 from powersimdata.input.changes.helpers import ordinal
 from powersimdata.input.changes.storage import add_storage_capacity
 from powersimdata.input.transform_grid import TransformGrid
@@ -496,6 +497,10 @@ def add_storage_capacity(self, info):
         """
         add_storage_capacity(self, info)
 
+    def add_electrification(self, kind, info):
+        """TODO"""
+        add_electrification(self, kind, info)
+
     def add_dcline(self, info):
         """Adds HVDC line(s).
 
diff --git a/powersimdata/input/changes/electrification.py b/powersimdata/input/changes/electrification.py
index 1649317f3..93d77df4a 100644
--- a/powersimdata/input/changes/electrification.py
+++ b/powersimdata/input/changes/electrification.py
@@ -2,28 +2,27 @@
 
 
 def _check_scale_factors(scale_factors):
-    for sf in scale_factors:
-        vals = list(sf.values())
-        if any(v < 0 for v in vals):
-            raise ValueError("scaling factor must be non negative")
-        if sum(vals) > 1:
-            raise ValueError("scaling factors must sum to between 0 and 1")
+    if not all(isinstance(k, str) for k in scale_factors):
+        raise ValueError("profile name must be str")
+    if not all(isinstance(d, (int, float)) for d in scale_factors.values()):
+        raise ValueError("scale factors must be numeric")
+    vals = list(scale_factors.values())
+    if any(v < 0 for v in vals):
+        raise ValueError("scaling factor must be non negative")
+    if sum(vals) > 1:
+        raise ValueError("scaling factors must sum to between 0 and 1")
 
 
 def _check_zone_scaling(obj, info):
     if not all(isinstance(k, str) for k in info):
-        raise ValueError("unrecognized structure")
+        raise ValueError("zone name must be str")
     if all(isinstance(d, dict) for d in info.values()):
         obj._check_zone(info.keys())
-    _check_scale_factors(list(info.values()))
-
+    else:
+        raise ValueError("zone scaling must be specified via a dict")
 
-def _check_grid_scaling(info):
-    if not all(isinstance(k, str) for k in info):
-        raise ValueError("keys must be str")
-    if not all(isinstance(d, (int, float)) for d in info.values()):
-        raise ValueError("scale factors must be numeric")
-    _check_scale_factors([info])
+    for sf in list(info.values()):
+        _check_scale_factors(sf)
 
 
 def add_electrification(obj, kind, info):
@@ -41,7 +40,7 @@ def add_electrification(obj, kind, info):
     zone = info.get("zone", {})
     grid = info.get("grid", {})
     _check_zone_scaling(obj, zone)
-    _check_grid_scaling(grid)
+    _check_scale_factors(grid)
 
     curr = obj.ct.get(kind)
     if curr is None:
diff --git a/powersimdata/input/changes/tests/test_add_electrification.py b/powersimdata/input/changes/tests/test_add_electrification.py
index 5443ce8e0..bc024b493 100644
--- a/powersimdata/input/changes/tests/test_add_electrification.py
+++ b/powersimdata/input/changes/tests/test_add_electrification.py
@@ -2,7 +2,6 @@
 
 from powersimdata.input.change_table import ChangeTable
 from powersimdata.input.changes.electrification import (
-    _check_grid_scaling,
     _check_scale_factors,
     _check_zone_scaling,
     add_electrification,
@@ -10,15 +9,6 @@
 from powersimdata.input.grid import Grid
 
 
-def test_check_grid():
-    info = {"tech1": 0.8}
-    _check_grid_scaling(info)
-
-    with pytest.raises(ValueError):
-        info = {"tech1": 4}
-        _check_grid_scaling(info)
-
-
 def test_check_zone():
     obj = ChangeTable(Grid("Texas"))
     info = {"Coast": {"standard_heat_pump_v1": 0.2}}
@@ -30,13 +20,17 @@ def test_check_zone():
 
 
 def test_check_scale_factors():
+    with pytest.raises(ValueError):
+        info = {"tech1": "foo"}
+        _check_scale_factors(info)
+
     info = {"standard_heat_pump_v1": 0.7, "advanced_heat_pump_v2": -3}
     with pytest.raises(ValueError):
-        _check_scale_factors([info])
+        _check_scale_factors(info)
 
     with pytest.raises(ValueError):
         info = {"standard_heat_pump_v1": 0.7, "advanced_heat_pump_v2": 0.8}
-        _check_scale_factors([info])
+        _check_scale_factors(info)
 
 
 def test_add_electrification():