diff --git a/data.log b/data.log
new file mode 100644
index 0000000..5d57ec4
Binary files /dev/null and b/data.log differ
diff --git a/modules/services/default.nix b/modules/services/default.nix
index 8b3888a..a272e88 100644
--- a/modules/services/default.nix
+++ b/modules/services/default.nix
@@ -15,6 +15,7 @@
     ./kavita.nix
     ./kop-fileshare.nix
     ./kop-monitor.nix
+    ./kop-pvlog.nix
     ./kubernetes.nix
     ./nginx.nix
     ./opensnitch.nix
diff --git a/modules/services/kop-pvlog.nix b/modules/services/kop-pvlog.nix
new file mode 100644
index 0000000..7a824ec
--- /dev/null
+++ b/modules/services/kop-pvlog.nix
@@ -0,0 +1,78 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib;
+let
+  cfg = config.custom.services.kop-pvlog;
+in
+{
+  options = {
+    custom.services.kop-pvlog = {
+      enable = mkEnableOption "Enable the fronius data logger";
+      port = mkOption {
+        type = types.int;
+        default = 7788;
+        description = "Port for the fronius data logger";
+      };
+      dataDir = mkOption {
+        type = types.str;
+        default = "/var/lib/pvlog";
+        description = "Directory to store the data";
+      };
+      basePath = mkOption {
+        type = types.str;
+        default = "/";
+        description = "Location under which the data logger is reachable";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.users.kop-pvlog = {
+      home = cfg.dataDir;
+      createHome = true;
+      isSystemUser = true;
+      group = "kop-pvlog";
+    };
+    users.groups.kop-pvlog = { };
+    systemd.services.kop-pvlog = {
+      description = "Fronius data logger";
+      wants = [ "network-online.target" ];
+      after = [
+        "network.target"
+        "network-online.target"
+      ];
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig = {
+        ExecStart = "${pkgs.kop-pvlog}/bin/kop-pvlog";
+        WorkingDirectory = cfg.dataDir;
+        BindPaths = [ "${cfg.dataDir}" ];
+        User = "kop-pvlog";
+        Restart = "on-failure";
+        RestartSec = "5s";
+        PrivateMounts = mkDefault true;
+        PrivateTmp = mkDefault true;
+        PrivateUsers = mkDefault true;
+        ProtectClock = mkDefault true;
+        ProtectControlGroups = mkDefault true;
+        ProtectHome = mkDefault true;
+        ProtectHostname = mkDefault true;
+        ProtectKernelLogs = mkDefault true;
+        ProtectKernelModules = mkDefault true;
+        ProtectKernelTunables = mkDefault true;
+        ProtectSystem = mkDefault "strict";
+        # Needs network access
+        PrivateNetwork = mkDefault false;
+      };
+
+      environment = {
+        PORT = "${toString cfg.port}";
+        DATA_PATH = "${toString cfg.dataDir}";
+      };
+    };
+  };
+}
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 5d6b5ba..b7e29fc 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -4,6 +4,7 @@ rec {
   ente-frontend = pkgs.callPackage ./ente-frontend/default.nix { };
   kop-fhcalendar = pkgs.callPackage ./kop-fhcalendar/default.nix { };
   kop-fileshare = pkgs.callPackage ./kop-fileshare/default.nix { };
+  kop-pvlog = pkgs.callPackage ./kop-pvlog/default.nix { };
   kop-hub = pkgs.callPackage ./hub/default.nix { };
   kop-monitor = pkgs.callPackage ./kop-monitor/default.nix { };
   kop-newproject = pkgs.callPackage ./kop-newproject/default.nix { };
diff --git a/pkgs/kop-pvlog/default.nix b/pkgs/kop-pvlog/default.nix
new file mode 100644
index 0000000..56d34b0
--- /dev/null
+++ b/pkgs/kop-pvlog/default.nix
@@ -0,0 +1,23 @@
+{
+  buildGoModule,
+  stdenv,
+  pkgs,
+  lib,
+  ...
+}:
+buildGoModule rec {
+  pname = "kop-pvlog";
+  version = "0.0.1";
+
+  src = fetchGit {
+    url = "gitolite@kopatz.dev:kop-pvlog.git";
+    ref = "master";
+    rev = "23828dfa1275aac2b31e16b5e3cfb452d56aeae6";
+  };
+  vendorHash = "sha256-8wYERVt3PIsKkarkwPu8Zy/Sdx43P6g2lz2xRfvTZ2E=";
+
+  meta = {
+    description = "Fronius Inverter data logger";
+    license = lib.licenses.gpl3;
+  };
+}
diff --git a/systems/amd-server-vm/configuration.nix b/systems/amd-server-vm/configuration.nix
index 898d39d..25f52bf 100644
--- a/systems/amd-server-vm/configuration.nix
+++ b/systems/amd-server-vm/configuration.nix
@@ -117,6 +117,11 @@
         dataDir = "/1tbssd/kop-fileshare";
         enable = true;
       };
+      kop-pvlog = {
+        enable = true;
+        basePath = "/";
+        dataDir = "/data/pvlog";
+      };
       nginx.enable = true;
       ente.enable = true;
       kavita = {