diff --git a/app/main/views/dashboard.py b/app/main/views/dashboard.py
index 913676a1d..fc6210fac 100644
--- a/app/main/views/dashboard.py
+++ b/app/main/views/dashboard.py
@@ -328,8 +328,6 @@ def get_dashboard_totals(statistics):
 
 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['chargeable_units'] for row in sms)
     sms_free_allowance = free_sms_fragment_limit
     sms_cost = sum(row['cost'] for row in sms)
@@ -346,9 +344,8 @@ def get_annual_usage_breakdown(usage, free_sms_fragment_limit):
         'sms_free_allowance': sms_free_allowance,
         'sms_sent': sms_chargeable_units,
         'sms_allowance_remaining': max(0, (sms_free_allowance - sms_chargeable_units)),
-        'sms_charged': max(0, sms_chargeable_units - sms_free_allowance),
         'sms_cost': sms_cost,
-        'sms_rate': sms_rate,
+        'sms_breakdown': sms,
         'letter_sent': letters_sent,
         'letter_cost': letters_cost
     }
diff --git a/app/templates/views/usage.html b/app/templates/views/usage.html
index b062edfee..a9bd086b0 100644
--- a/app/templates/views/usage.html
+++ b/app/templates/views/usage.html
@@ -33,13 +33,15 @@
             {% if sms_free_allowance > 0 %}
               {{ big_number(sms_allowance_remaining, 'free allowance remaining', smaller=True) }}
             {% endif %}
-            {% if sms_charged %}
-              {{ big_number(
-                sms_charged,
-                'at {:.2f} pence per message'.format(sms_rate * 100),
-                smaller=True
-              ) }}
-            {% endif %}
+            {% for row in sms_breakdown %}
+              {% if row.charged_units > 0 %}
+                {{ big_number(
+                  row.charged_units,
+                  'at {:.2f} pence per message'.format(row.rate * 100),
+                  smaller=True
+                ) }}
+              {% endif %}
+            {% endfor %}
           </div>
         </div>
         <div class='govuk-grid-column-one-third'>
diff --git a/tests/app/main/views/test_dashboard.py b/tests/app/main/views/test_dashboard.py
index 4e2341f22..3e87f9c7f 100644
--- a/tests/app/main/views/test_dashboard.py
+++ b/tests/app/main/views/test_dashboard.py
@@ -1021,7 +1021,8 @@ def test_usage_page(
     assert '250,000 free allowance' in sms_column
     assert '0 free allowance remaining' in sms_column
     assert '£29.85 spent' in sms_column
-    assert '1,800 at 1.65 pence' in sms_column
+    assert '1,500 at 1.65 pence' in sms_column
+    assert '300 at 1.70 pence' in sms_column
 
     letter_column = normalize_spaces(annual_usage[2].text + annual_usage[5].text)
     assert 'Letters' in letter_column
@@ -1029,6 +1030,37 @@ def test_usage_page(
     assert '£30.00 spent' in letter_column
 
 
+@freeze_time("2012-03-31 12:12:12")
+def test_usage_page_no_sms_spend(
+    mocker,
+    client_request,
+    mock_get_billable_units,
+    mock_get_free_sms_fragment_limit
+):
+    mocker.patch('app.billing_api_client.get_service_usage', return_value=[
+        {
+            "notification_type": "sms",
+            "chargeable_units": 1000,
+            "charged_units": 0,
+            "rate": 0.0165,
+            "cost": 0
+        }
+    ])
+
+    page = client_request.get(
+        'main.usage',
+        service_id=SERVICE_ONE_ID,
+    )
+
+    annual_usage = page.find_all('div', {'class': 'govuk-grid-column-one-third'})
+    sms_column = normalize_spaces(annual_usage[1].text + annual_usage[4].text)
+    assert 'Text messages' in sms_column
+    assert '250,000 free allowance' in sms_column
+    assert '249,000 free allowance remaining' in sms_column
+    assert '£0.00 spent' in sms_column
+    assert 'pence per message' not in sms_column
+
+
 @freeze_time("2012-03-31 12:12:12")
 def test_usage_page_monthly_breakdown(
     client_request,
@@ -1141,14 +1173,12 @@ def test_usage_page_with_0_free_allowance(
         service_id=SERVICE_ONE_ID,
         year=2020,
     )
-    assert normalize_spaces(
-        page.select('main .govuk-grid-column-one-third')[1].text
-    ) == (
-        'Text messages '
-        '251,800 sent '
-        '0 free allowance '
-        '251,800 at 1.65 pence per message'
-    )
+
+    annual_usage = page.select('main .govuk-grid-column-one-third')
+    sms_column = normalize_spaces(annual_usage[1].text)
+
+    assert '0 free allowance' in sms_column
+    assert 'free allowance remaining' not in sms_column
 
 
 def test_usage_page_with_year_argument(
diff --git a/tests/conftest.py b/tests/conftest.py
index 68f7b7231..fbd2470b8 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2320,6 +2320,7 @@ def mock_get_usage(mocker, service_one, fake_uuid):
                 "notification_type": "email",
                 "chargeable_units": 1000,
                 "notifications_sent": 1000,
+                "charged_units": 1000,
                 "rate": 0.00,
                 "cost": 0
             },
@@ -2327,6 +2328,7 @@ def mock_get_usage(mocker, service_one, fake_uuid):
                 "notification_type": "sms",
                 "chargeable_units": 251500,
                 "notifications_sent": 105000,
+                "charged_units": 1500,
                 "rate": 0.0165,
                 "cost": 24.75  # 250K free allowance
             },
@@ -2334,13 +2336,15 @@ def mock_get_usage(mocker, service_one, fake_uuid):
                 "notification_type": "sms",
                 "chargeable_units": 300,
                 "notifications_sent": 300,
-                "rate": 0.0165,
+                "charged_units": 300,
+                "rate": 0.017,
                 "cost": 5.1
             },
             {
                 "notification_type": "letter",
                 "chargeable_units": 300,
                 "notifications_sent": 100,
+                "charged_units": 300,
                 "rate": 0.1,
                 "cost": 30
             },
@@ -2466,6 +2470,7 @@ def mock_get_future_usage(mocker, service_one, fake_uuid):
                 'notification_type': 'sms',
                 'chargeable_units': 0,
                 'notifications_sent': 0,
+                'charged_units': 0,
                 'rate': 0.0158,
                 'cost': 0
             },
@@ -2473,6 +2478,7 @@ def mock_get_future_usage(mocker, service_one, fake_uuid):
                 'notification_type': 'email',
                 'chargeable_units': 0,
                 'notifications_sent': 0,
+                'charged_units': 0,
                 'rate': 0.0,
                 'cost': 0
             }