diff --git a/hydros-environment/etc/udev/rules.d/99-powercap.rules b/hydros-environment/etc/udev/rules.d/99-powercap.rules
new file mode 100644
index 0000000..162f48d
--- /dev/null
+++ b/hydros-environment/etc/udev/rules.d/99-powercap.rules
@@ -0,0 +1 @@
+SUBSYSTEM=="powercap", KERNEL=="intel-rapl*", RUN+="/usr/bin/chmod a+r /sys/%p/energy_uj"
diff --git a/hydros-environment/hydros-environment.spec b/hydros-environment/hydros-environment.spec
index f1d2adb..c8ff316 100644
--- a/hydros-environment/hydros-environment.spec
+++ b/hydros-environment/hydros-environment.spec
@@ -1,5 +1,5 @@
 Name:           hydros-environment
-Version:        0.0.1
+Version:        0.0.2
 Release:        %autorelease
 Summary:        The bundle of configuration overrides other than containers for HydrOS
 BuildArch:      noarch
@@ -21,6 +21,7 @@ install -Dm0444 -t %{buildroot}%{_sysconfdir}/modules-load.d/ %{_builddir}/%{nam
 install -Dm0444 -t %{buildroot}%{_sysconfdir}/modules-load.d/ %{_builddir}/%{name}-%{version}/modules-load.d/ntsync.conf
 install -Dm0644 -t %{buildroot}%{_sysconfdir}/sddm/ %{_builddir}/%{name}-%{version}/sddm/sddm-useradd
 install -Dm0644 -t %{buildroot}%{_sysconfdir}/xdg/autostart/ %{_builddir}/%{name}-%{version}/xdg/autostart/kitty.desktop
+install -Dm0644 -t %{buildroot}%{_sysconfdir}/udev/rules.d/ %{_builddir}/%{name}-%{version}/udev/rules.d/99-powercap.rules
 
 %files
 %{_sysconfdir}/environment.d/cursor.conf
@@ -31,7 +32,10 @@ install -Dm0644 -t %{buildroot}%{_sysconfdir}/xdg/autostart/ %{_builddir}/%{name
 %{_sysconfdir}/modules-load.d/ntsync.conf
 %{_sysconfdir}/sddm/sddm-useradd
 %{_sysconfdir}/xdg/autostart/kitty.desktop
+%{_sysconfdir}/udev/rules.d/99-powercap.rules
 
 %changelog
+* Sat Aug 01 2026 Eriq Taing <eriq12@protonmail.com>
+- Added udev rule for cpu power reading
 * Mon Mar 30 2026 Eriq Taing <eriq12@protonmail.com>
 - First version packaged