diff --git a/homeassistant/components/accuweather/config_flow.py b/homeassistant/components/accuweather/config_flow.py
index 666171af8df..af7560d963a 100644
--- a/homeassistant/components/accuweather/config_flow.py
+++ b/homeassistant/components/accuweather/config_flow.py
@@ -41,11 +41,6 @@ class AccuWeatherFlowHandler(ConfigFlow, domain=DOMAIN):
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
         """Handle a flow initialized by the user."""
-        # Under the terms of use of the API, one user can use one free API key. Due to
-        # the small number of requests allowed, we only allow one integration instance.
-        if self._async_current_entries():
-            return self.async_abort(reason="single_instance_allowed")
-
         errors = {}
 
         if user_input is not None:
diff --git a/homeassistant/components/accuweather/manifest.json b/homeassistant/components/accuweather/manifest.json
index 2974c36607b..fa651d98efd 100644
--- a/homeassistant/components/accuweather/manifest.json
+++ b/homeassistant/components/accuweather/manifest.json
@@ -8,5 +8,6 @@
   "iot_class": "cloud_polling",
   "loggers": ["accuweather"],
   "quality_scale": "platinum",
-  "requirements": ["accuweather==2.1.1"]
+  "requirements": ["accuweather==2.1.1"],
+  "single_config_entry": true
 }
diff --git a/homeassistant/components/accuweather/strings.json b/homeassistant/components/accuweather/strings.json
index 24024ba722f..718f2da6a75 100644
--- a/homeassistant/components/accuweather/strings.json
+++ b/homeassistant/components/accuweather/strings.json
@@ -17,9 +17,6 @@
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "invalid_api_key": "[%key:common::config_flow::error::invalid_api_key%]",
       "requests_exceeded": "The allowed number of requests to Accuweather API has been exceeded. You have to wait or change API Key."
-    },
-    "abort": {
-      "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]"
     }
   },
   "entity": {
diff --git a/homeassistant/generated/integrations.json b/homeassistant/generated/integrations.json
index dfa1c5af230..cb30532cdec 100644
--- a/homeassistant/generated/integrations.json
+++ b/homeassistant/generated/integrations.json
@@ -15,7 +15,8 @@
       "name": "AccuWeather",
       "integration_type": "service",
       "config_flow": true,
-      "iot_class": "cloud_polling"
+      "iot_class": "cloud_polling",
+      "single_config_entry": true
     },
     "acer_projector": {
       "name": "Acer Projector",