diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a5a1ec..c29074d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.5.0] - 2026-09-01
+
+- Add `premium_pv_power` and `premium_wind_power` forecast endpoints for premium PV and wind power forecasts.
+- Update forecast documentation with the premium power forecast options.
 
 ## [1.4.0] - 2026-07-20
 
diff --git a/tests/test_forecast.py b/tests/test_forecast.py
index aef1625..e676023 100644
--- a/tests/test_forecast.py
+++ b/tests/test_forecast.py
@@ -42,6 +42,22 @@ def test_advanced_pv_power():
     assert res.success is True
 
 
+def test_premium_pv_power():
+    res = forecast.premium_pv_power(
+        resource_id="cbf6-a872-1cb2-566f",
+        hours=3,
+    )
+    assert res.success is True
+
+
+def test_premium_wind_power():
+    res = forecast.premium_wind_power(
+        resource_id="c533-fbce-05b5-b3ef",
+        hours=3,
+    )
+    assert res.success is True
+
+
 def test_soiling_kimber():
     lats, longs = load_test_locations_coordinates()
     res = forecast.soiling_kimber(