diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index 748d54c36..06b78355b 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -330,14 +330,14 @@ def get_annual_usage_breakdown(usage, free_sms_fragment_limit):
     sms = get_usage_breakdown_by_type(usage, 'sms')
     # this relies on the assumption: only one SMS rate per financial year.
     sms_rate = 0 if len(sms) == 0 else sms[0].get("rate", 0)
-    sms_chargeable_units = sum(row['billing_units'] for row in sms)
+    sms_chargeable_units = sum(row['chargeable_units'] for row in sms)
     sms_free_allowance = free_sms_fragment_limit
 
     emails = get_usage_breakdown_by_type(usage, 'email')
-    emails_sent = sum(row['billing_units'] for row in emails)
+    emails_sent = sum(row['notifications_sent'] for row in emails)
 
     letters = get_usage_breakdown_by_type(usage, 'letter')
-    letters_sent = sum(row['billing_units'] for row in letters)
+    letters_sent = sum(row['notifications_sent'] for row in letters)
     letters_cost = sum(row['letter_total'] for row in letters)
 
     return {
diff --git a/tests/conftest.py b/tests/conftest.py
index f5e397870..721474770 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2316,11 +2316,41 @@ def mock_get_monthly_notification_stats(mocker, service_one, fake_uuid):
 def mock_get_usage(mocker, service_one, fake_uuid):
     def _get_usage(service_id, year=None):
         return [
-            {"notification_type": "email", "billing_units": 1000, "rate": 0.00, "letter_total": 0},
-            {"notification_type": "sms", "billing_units": 251500, "rate": 0.0165, "letter_total": 0},
-            {"notification_type": "sms", "billing_units": 300, "rate": 0.0165, "letter_total": 0},
-            {"notification_type": "sms", "billing_units": 300, "rate": 0.0165, "letter_total": 0},
-            {"notification_type": "sms", "billing_units": 90, "rate": 0.0165, "letter_total": 0}
+            {
+                "notification_type": "email",
+                "chargeable_units": 1000,
+                "notifications_sent": 1000,
+                "rate": 0.00,
+                "letter_total": 0
+            },
+            {
+                "notification_type": "sms",
+                "chargeable_units": 251500,
+                "notifications_sent": 105000,
+                "rate": 0.0165,
+                "letter_total": 0
+            },
+            {
+                "notification_type": "sms",
+                "chargeable_units": 300,
+                "notifications_sent": 300,
+                "rate": 0.0165,
+                "letter_total": 0
+            },
+            {
+                "notification_type": "sms",
+                "chargeable_units": 300,
+                "notifications_sent": 150,
+                "rate": 0.0165,
+                "letter_total": 0
+            },
+            {
+                "notification_type": "sms",
+                "chargeable_units": 90,
+                "notifications_sent": 90,
+                "rate": 0.0165,
+                "letter_total": 0
+            }
         ]
 
     return mocker.patch(
@@ -2440,12 +2470,18 @@ def mock_get_future_usage(mocker, service_one, fake_uuid):
     def _get_usage(service_id, year=None):
         return [
             {
-                'notification_type': 'sms', 'billing_units': 0,
-                'rate': 0.0158, 'letter_total': 0
+                'notification_type': 'sms',
+                'chargeable_units': 0,
+                'notifications_sent': 0,
+                'rate': 0.0158,
+                'letter_total': 0
             },
             {
-                'notification_type': 'email', 'billing_units': 0,
-                'rate': 0.0, 'letter_total': 0
+                'notification_type': 'email',
+                'chargeable_units': 0,
+                'notifications_sent': 0,
+                'rate': 0.0,
+                'letter_total': 0
             }
         ]