diff --git a/hosts/adrastea/default.nix b/hosts/adrastea/default.nix
index 8399218..cb49159 100755
--- a/hosts/adrastea/default.nix
+++ b/hosts/adrastea/default.nix
@@ -47,6 +47,8 @@
   boot.initrd.luks.devices."luks-52d1be6d-b32f-41e0-a6d7-2ff52599fe7c".device =
     "/dev/disk/by-uuid/52d1be6d-b32f-41e0-a6d7-2ff52599fe7c";
 
+  powerManagement.powertop.enable = true;
+
   networking.hostName = "adrastea"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
diff --git a/hosts/callisto/default.nix b/hosts/callisto/default.nix
index ddbea55..7471dcf 100755
--- a/hosts/callisto/default.nix
+++ b/hosts/callisto/default.nix
@@ -181,6 +181,8 @@
     };
   };
 
+  powerManagement.powertop.enable = true;
+
   # tells electron apps to use Wayland
   environment.sessionVariables.NIXOS_OZONE_WL = "1";