diff --git a/flake.lock b/flake.lock
index d5e5bbf..d2b20c6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,25 @@
 {
   "nodes": {
+    "berlinerbaeder-exporter": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1720989581,
+        "narHash": "sha256-Mm4FU9Kh5C/vfTDGLpxcR24fXgSdcZXlmZfIoM1wjcg=",
+        "ref": "refs/heads/main",
+        "rev": "49e8db169c74ae7238b9eeba2a51b277dad9a1bf",
+        "revCount": 4,
+        "type": "git",
+        "url": "https://git.clerie.de/clerie/berlinerbaeder-exporter.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.clerie.de/clerie/berlinerbaeder-exporter.git"
+      }
+    },
     "bij": {
       "inputs": {
         "nixpkgs": [
@@ -284,6 +304,7 @@
     },
     "root": {
       "inputs": {
+        "berlinerbaeder-exporter": "berlinerbaeder-exporter",
         "bij": "bij",
         "chaosevents": "chaosevents",
         "fernglas": "fernglas",
diff --git a/flake.nix b/flake.nix
index 5e0dc12..af9092e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,6 +2,10 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
+    berlinerbaeder-exporter = {
+      url = "git+https://git.clerie.de/clerie/berlinerbaeder-exporter.git";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     bij = {
       url = "git+https://git.clerie.de/clerie/bij.git";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/flake/overlay.nix b/flake/overlay.nix
index c53b06d..31191a3 100644
--- a/flake/overlay.nix
+++ b/flake/overlay.nix
@@ -1,4 +1,5 @@
 { self
+, berlinerbaeder-exporter
 , bij
 , chaosevents
 , harmonia
@@ -6,6 +7,8 @@
 , ...
 }@inputs:
 final: prev: {
+  inherit (berlinerbaeder-exporter.packages.${final.system})
+    berlinerbaeder-exporter;
   inherit (bij.packages.${final.system})
     bij;
   inherit (chaosevents.packages.${final.system})
diff --git a/hosts/monitoring-3/berlinerbaeder-exporter.nix b/hosts/monitoring-3/berlinerbaeder-exporter.nix
new file mode 100644
index 0000000..e87774c
--- /dev/null
+++ b/hosts/monitoring-3/berlinerbaeder-exporter.nix
@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+{
+  systemd.services.berlinerbaeder-exporter = {
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      DynamicUser = true;
+    };
+    script = "berlinerbaeder-exporter --listen [::1]:57382";
+    path = with pkgs; [ berlinerbaeder-exporter ];
+  };
+}
diff --git a/hosts/monitoring-3/configuration.nix b/hosts/monitoring-3/configuration.nix
index f811b0d..9ee19c2 100644
--- a/hosts/monitoring-3/configuration.nix
+++ b/hosts/monitoring-3/configuration.nix
@@ -6,6 +6,7 @@
       ./hardware-configuration.nix
       ../../configuration/proxmox-vm
       ./alertmanager.nix
+      ./berlinerbaeder-exporter.nix
       ./blackbox.nix
       ./grafana.nix
       ./nixos-validator.nix
diff --git a/hosts/monitoring-3/prometheus.nix b/hosts/monitoring-3/prometheus.nix
index c850696..e26ac41 100644
--- a/hosts/monitoring-3/prometheus.nix
+++ b/hosts/monitoring-3/prometheus.nix
@@ -407,6 +407,20 @@ in {
           }
         ];
       }
+      {
+        job_name = "berlinerbaeder-exporter";
+        scrape_interval = "5m";
+        static_configs = [
+          {
+            targets = [
+              "monitoring-3.mon.clerie.de:57382"
+            ];
+          }
+        ];
+        relabel_configs = [
+          relabelAddressToInstance
+        ];
+      }
     ];
     alertmanagers = [
       {