diff --git a/presence/Makefile.am b/presence/Makefile.am
index 2affa91..b0b00df 100644
--- a/presence/Makefile.am
+++ b/presence/Makefile.am
@@ -19,6 +19,7 @@
 	error_reporter.cpp \
 	fallback.cpp \
 	fan.cpp \
+	get_power_state.cpp \
 	gpio.cpp \
 	logging.cpp \
 	psensor.cpp \
diff --git a/presence/error_reporter.cpp b/presence/error_reporter.cpp
index f1dfaa9..72c7dae 100644
--- a/presence/error_reporter.cpp
+++ b/presence/error_reporter.cpp
@@ -15,6 +15,7 @@
  */
 #include "error_reporter.hpp"
 
+#include "get_power_state.hpp"
 #include "logging.hpp"
 #include "psensor.hpp"
 #include "utility.hpp"
@@ -46,14 +47,12 @@
     const std::vector<
         std::tuple<Fan, std::vector<std::unique_ptr<PresenceSensor>>>>& fans) :
     _bus(bus),
-    _event(sdeventplus::Event::get_default())
+    _event(sdeventplus::Event::get_default()),
+    _powerState(getPowerStateObject())
 {
-    // If different methods to check the power state are needed across the
-    // various platforms, the method/class to use could be read out of JSON
-    // or set with a compilation flag.
-    _powerState = std::make_unique<PGoodState>(
-        bus, std::bind(std::mem_fn(&ErrorReporter::powerStateChanged), this,
-                       std::placeholders::_1));
+    _powerState->addCallback("errorReporter",
+                             std::bind(&ErrorReporter::powerStateChanged, this,
+                                       std::placeholders::_1));
 
     for (const auto& fan : fans)
     {
diff --git a/presence/error_reporter.hpp b/presence/error_reporter.hpp
index a6a86fe..a8c9d6f 100644
--- a/presence/error_reporter.hpp
+++ b/presence/error_reporter.hpp
@@ -104,7 +104,7 @@
     /**
      * @brief Base class pointer to the power state implementation.
      */
-    std::unique_ptr<PowerState> _powerState;
+    std::shared_ptr<PowerState> _powerState;
 
     /**
      * @brief The map of fan paths to their presence states.
diff --git a/presence/get_power_state.cpp b/presence/get_power_state.cpp
new file mode 100644
index 0000000..f1d913f
--- /dev/null
+++ b/presence/get_power_state.cpp
@@ -0,0 +1,17 @@
+#include "power_state.hpp"
+
+namespace phosphor::fan
+{
+
+std::shared_ptr<PowerState> powerState;
+
+std::shared_ptr<PowerState> getPowerStateObject()
+{
+    if (!powerState)
+    {
+        powerState = std::make_shared<PGoodState>();
+    }
+    return powerState;
+}
+
+} // namespace phosphor::fan
diff --git a/presence/get_power_state.hpp b/presence/get_power_state.hpp
new file mode 100644
index 0000000..422852a
--- /dev/null
+++ b/presence/get_power_state.hpp
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "power_state.hpp"
+
+namespace phosphor::fan
+{
+
+/**
+ * @brief Returns the PowerState object as a shared_ptr.
+ *
+ * Callers can use addCallback() on the return object to
+ * have functions run when the power state changes.
+ *
+ * @return shared_ptr<PowerState>
+ */
+std::shared_ptr<PowerState> getPowerStateObject();
+
+} // namespace phosphor::fan