diff --git a/README.md b/README.md
index 0d793bf7..40871442 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,7 @@ Currently the following service providers are supported:
 - [AbfallNavi.de (RegioIT.de)](./doc/source/abfallnavi_de.md)
 - [Abfallkalender Würzburg](./doc/source/wuerzburg_de.md)
 - [Abfallwirtschaft Landkreis Harburg](./doc/source/aw_harburg_de.md)
+- [Abfallwirtschaft Landkreis Wolfenbüttel](./doc/source/alw_wf_de.md)
 - [Abfallwirtschaft Rendsburg](./doc/source/awr_de.md)
 - [Abfallwirtschaft Stuttgart](./doc/source/stuttgart_de.md)
 - [Abfallwirtschaft Südholstein](./doc/source/awsh_de.md)
diff --git a/custom_components/waste_collection_schedule/waste_collection_schedule/source/alw_wf_de.py b/custom_components/waste_collection_schedule/waste_collection_schedule/source/alw_wf_de.py
new file mode 100644
index 00000000..0d7504ce
--- /dev/null
+++ b/custom_components/waste_collection_schedule/waste_collection_schedule/source/alw_wf_de.py
@@ -0,0 +1,98 @@
+import datetime
+import json
+import pytz
+import logging
+
+import requests
+from waste_collection_schedule import Collection  # type: ignore[attr-defined]
+
+TITLE = "ALW Wolfenbüttel"
+DESCRIPTION = "Source for ALW Wolfenbüttel."
+URL = "https://abfallapp.alw-wf.de"
+TEST_CASES = {
+    "Linden alte Straße": {"ort": "Linden mit Okertalsiedlung", "strasse": "Siedlung"},
+    "Linden neuere Straße": {"ort": "Linden mit Okertalsiedlung", "strasse": "Kleingartenweg"},
+    "Dettum": {"ort": "Dettum", "strasse": "Egal!"},
+}
+
+AUTH_DATA = {
+    "auth": {
+        "Name": "ALW",
+        "Version": "2.0",
+        "AuthKey": "ALW",
+        "DeviceID": "ALW",
+        "Username": "ALW",
+        "Password": "ALW",
+    },
+    "request": {}
+}
+ALL_STREETS = "Alle Straßen"
+BIN_TYPE_NORMAL = "0"
+
+class Source:
+    def __init__(self, ort, strasse):
+        self._ort = ort
+        self._strasse = strasse
+
+    def fetch(self):
+        auth_params = json.dumps(AUTH_DATA)
+
+        # ALW WF uses a self-signed certificate so we need to disable certificate verification
+        r = requests.post(f"{URL}/GetOrte.php", data=auth_params, verify=False)
+        orte = r.json()
+        if orte["result"][0]["StatusCode"] != 200:
+            _LOGGER.error(f"Error getting Orte: {orte['result'][0]['StatusMsg']}")
+            return []
+        orte = orte["result"][0]["result"]
+        orte = {i["Name"]: i["ID"] for i in orte}
+        ort_id = orte.get(self._ort, None)
+
+        if ort_id == None:
+            _LOGGER.error(f"Error finding Ort {self._ort}")
+            return []
+
+        r = requests.post(f"{URL}/GetStrassen.php", data=auth_params, verify=False)
+        strassen = r.json()
+        if strassen["result"][0]["StatusCode"] != 200:
+            _LOGGER.error(f"Error getting Straßen: {strassen['result'][0]['StatusMsg']}")
+            return []
+        strassen = strassen["result"][0]["result"]
+        strasse_id = None
+        for strasse in strassen:
+            if strasse["OrtID"] != ort_id:
+                continue
+            if strasse["Name"] == ALL_STREETS or strasse["Name"] == self._strasse:
+                strasse_id = strasse["ID"]
+                break
+            continue
+
+        if strasse_id == None:
+            _LOGGER.error(f"Error finding Straße {self._strasse}")
+            return []
+
+        r = requests.post(f"{URL}/GetArten.php", data=auth_params, verify=False)
+        arten = r.json()
+        if arten["result"][0]["StatusCode"] != 200:
+            _LOGGER.error(f"Error getting Arten: {arten['result'][0]['StatusMsg']}")
+            return []
+        arten = arten["result"][0]["result"]
+        arten = [i for i in arten if i["Art"] == BIN_TYPE_NORMAL]
+        arten = {int(i["Wertigkeit"]): i["Name"] for i in arten}
+
+        entries = []
+        r = requests.post(f"{URL}/GetTermine.php/{strasse_id}", data=auth_params, verify=False)
+        termine = r.json()
+        if termine["result"][0]["StatusCode"] != 200:
+            _LOGGER.error(f"Error getting Termine: {termine['result'][0]['StatusMsg']}")
+            return []
+        termine = termine["result"][0]["result"]
+        for termin in termine:
+            ts = int(termin["DatumLong"])/1000
+            # Timestamps are unix with milliseconds but not UTC...
+            date = datetime.datetime.fromtimestamp(ts, tz=pytz.timezone("Europe/Berlin")).date()
+            types = int(termin["Abfallwert"])
+            for art in arten:
+                if types & art:
+                    entries.append(Collection(date, arten[art], date))
+
+        return entries
diff --git a/doc/source/alw_wf_de.md b/doc/source/alw_wf_de.md
new file mode 100644
index 00000000..ef71cb3d
--- /dev/null
+++ b/doc/source/alw_wf_de.md
@@ -0,0 +1,41 @@
+# ALW Wolfenbüttel
+
+Support for schedules provided by [ALW Wolfenbüttel](https://www.alw-wf.de//), Germany.
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: alw_wf_de
+      args:
+        ort: ORT
+        strasse: STRASSE
+```
+
+### Configuration Variables
+
+**ort**<br>
+*(string) (required)*
+
+**strasse**<br>
+*(string) (required)*
+
+## Example
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: alw_wf_de
+      args:
+        ort: "Linden mit Okertalsiedlung"
+        strasse: "Am Buschkopf"
+```
+
+## How to get the source arguments
+
+1. Go to the calendar at https://www.alw-wf.de/index.php/abfallkalender.
+2. Select your location in the drop down menus.
+   - Notice: The page reloads after selecting `Ort`, so wait for that before selecting `Straße`.
+3. Copy the **exact** values from the 2 drop down menus as `ort` and `strasse` in the source configuration.
+   - In case you can only select the street `Alle Straßen`, then the `strasse` option does not matter (it is still required, just set it to something).
diff --git a/info.md b/info.md
index e2f2f346..b1cfc5fc 100644
--- a/info.md
+++ b/info.md
@@ -68,6 +68,7 @@ Currently the following service providers are supported:
 - [AbfallNavi.de (RegioIT.de)](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/abfallnavi_de.md)
 - [Abfallkalender Würzburg](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/wuerzburg_de.md)
 - [Abfallwirtschaft Landkreis Harburg](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/aw_harburg_de.md)
+- [Abfallwirtschaft Landkreis Wolfenbüttel](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/alw_wf_de.md)
 - [Abfallwirtschaft Rendsburg](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/awr_de.md)
 - [Abfallwirtschaft Stuttgart](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/stuttgart_de.md)
 - [Abfallwirtschaft Südholstein](https://github.com/mampfes/hacs_waste_collection_schedule/blob/master/doc/source/awsh_de.md)