diff --git a/configs/sterni/configuration.nix b/configs/sterni/configuration.nix
index 5d7c280..f1dc120 100644
--- a/configs/sterni/configuration.nix
+++ b/configs/sterni/configuration.nix
@@ -10,11 +10,12 @@
     ./tinc.nix
 
     #./wifi-access-point.nix
-
     #./wireshark.nix
 
   ];
 
+
+
   networking.hostName = "sterni";
 
   system.custom.wifi.interfaces = [ "wlp3s0" ];
diff --git a/modules/system/wifi.nix b/modules/system/wifi.nix
index 1701f21..8f03de4 100644
--- a/modules/system/wifi.nix
+++ b/modules/system/wifi.nix
@@ -40,6 +40,7 @@ in {
 
     (mkIf (cfg.system == "networkmanager") {
       networking.networkmanager.enable = true;
+      networking.networkmanager.wifi.powersave = true;
     })
 
     (mkIf (cfg.configurationFile != null) {
diff --git a/system/desktop/default.nix b/system/desktop/default.nix
index 5825316..52a8455 100644
--- a/system/desktop/default.nix
+++ b/system/desktop/default.nix
@@ -51,6 +51,12 @@
 
   system.custom = { bluetooth.enable = true; };
 
+  # temperature / power consumption
+  # https://linrunner.de/en/tlp/docs/tlp-linux-advanced-power-management.html
+  services.tlp.enable = true;
+  services.thermald.enable = true;
+  powerManagement.powertop.enable = true;
+
   # overwrite use zram on small RAM systems
   fileSystems."/share/" = lib.mkDefault {
     device = "tmpfs";
diff --git a/system/desktop/packages.nix b/system/desktop/packages.nix
index 92a3715..332b9cf 100644
--- a/system/desktop/packages.nix
+++ b/system/desktop/packages.nix
@@ -292,6 +292,13 @@ in {
       links
       lynx
 
+      # temperature
+      s-tui
+      (pkgs.writers.writeDashBin "temperature" ''
+        ${pkgs.s-tui}/bin/s-tui
+      '')
+      powertop
+
       memo
       nixfmt
       dateutils