diff --git a/extensions/openpower-pels/log_id.cpp b/extensions/openpower-pels/log_id.cpp
new file mode 100644
index 0000000..cbe1247
--- /dev/null
+++ b/extensions/openpower-pels/log_id.cpp
@@ -0,0 +1,97 @@
+#include "log_id.hpp"
+
+#include "paths.hpp"
+
+#include <chrono>
+#include <filesystem>
+#include <fstream>
+#include <phosphor-logging/log.hpp>
+
+namespace openpower
+{
+namespace pels
+{
+
+namespace fs = std::filesystem;
+using namespace phosphor::logging;
+
+constexpr uint32_t startingLogID = 1;
+constexpr uint32_t bmcLogIDPrefix = 0x50000000;
+
+namespace detail
+{
+
+uint32_t addLogIDPrefix(uint32_t id)
+{
+    // If redundant BMCs are ever a thing, may need a different prefix.
+    return (id & 0x00FFFFFF) | bmcLogIDPrefix;
+}
+
+uint32_t getTimeBasedLogID()
+{
+    using namespace std::chrono;
+
+    // Use 3 bytes of the nanosecond count since the epoch.
+    uint32_t id =
+        duration_cast<nanoseconds>(system_clock::now().time_since_epoch())
+            .count();
+
+    return addLogIDPrefix(id);
+}
+
+} // namespace detail
+
+uint32_t generatePELID()
+{
+    // Note: there isn't a need to be thread safe.
+
+    static std::string idFilename;
+    if (idFilename.empty())
+    {
+        idFilename = getPELIDFile();
+    }
+
+    uint32_t id = 0;
+
+    if (!fs::exists(idFilename))
+    {
+        auto path = fs::path(idFilename).parent_path();
+        if (!fs::exists(path))
+        {
+            fs::create_directories(path);
+        }
+
+        id = startingLogID;
+    }
+    else
+    {
+        std::ifstream idFile{idFilename};
+        idFile >> id;
+        if (idFile.fail())
+        {
+            // Just make up an ID
+            log<level::ERR>("Unable to read PEL ID File!");
+            return detail::getTimeBasedLogID();
+        }
+    }
+
+    // Wrapping shouldn't be a problem, but check anyway
+    if (id == 0x00FFFFFF)
+    {
+        id = startingLogID;
+    }
+
+    std::ofstream idFile{idFilename};
+    idFile << (id + 1);
+    if (idFile.fail())
+    {
+        // Just make up an ID so we don't reuse one next time
+        log<level::ERR>("Unable to write PEL ID File!");
+        return detail::getTimeBasedLogID();
+    }
+
+    return detail::addLogIDPrefix(id);
+}
+
+} // namespace pels
+} // namespace openpower
diff --git a/extensions/openpower-pels/log_id.hpp b/extensions/openpower-pels/log_id.hpp
new file mode 100644
index 0000000..21f04eb
--- /dev/null
+++ b/extensions/openpower-pels/log_id.hpp
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <cstdint>
+
+namespace openpower
+{
+namespace pels
+{
+
+namespace detail
+{
+
+/**
+ * @brief Adds the 1 byte log creator prefix to the log ID
+ *
+ * @param[in] id - the ID to add it to
+ *
+ * @return - the full log ID
+ */
+uint32_t addLogIDPrefix(uint32_t id);
+
+/**
+ * @brief Generates a PEL ID based on the current time.
+ *
+ * Used for error scenarios where the normal method doesn't
+ * work in order to get a unique ID still.
+ *
+ * @return A unique log ID.
+ */
+uint32_t getTimeBasedLogID();
+
+} // namespace detail
+
+/**
+ * @brief Generates a unique PEL log entry ID every time
+ *        it is called.
+ *
+ * This ID is used at offset 0x2C in the Private Header
+ * section of a PEL.  For single BMC systems, it must
+ * start with 0x50.
+ *
+ * @return uint32_t - The log ID
+ */
+uint32_t generatePELID();
+
+} // namespace pels
+} // namespace openpower
diff --git a/extensions/openpower-pels/openpower-pels.mk b/extensions/openpower-pels/openpower-pels.mk
index cc933f9..2cc2393 100644
--- a/extensions/openpower-pels/openpower-pels.mk
+++ b/extensions/openpower-pels/openpower-pels.mk
@@ -1,6 +1,8 @@
 phosphor_log_manager_SOURCES += \
 	extensions/openpower-pels/bcd_time.cpp \
 	extensions/openpower-pels/entry_points.cpp \
+	extensions/openpower-pels/log_id.cpp \
 	extensions/openpower-pels/manager.cpp \
+	extensions/openpower-pels/paths.cpp \
 	extensions/openpower-pels/private_header.cpp \
 	extensions/openpower-pels/user_header.cpp
diff --git a/extensions/openpower-pels/paths.cpp b/extensions/openpower-pels/paths.cpp
new file mode 100644
index 0000000..dab73c9
--- /dev/null
+++ b/extensions/openpower-pels/paths.cpp
@@ -0,0 +1,23 @@
+#include "config.h"
+
+#include "paths.hpp"
+
+#include <filesystem>
+
+namespace openpower
+{
+namespace pels
+{
+
+namespace fs = std::filesystem;
+
+fs::path getPELIDFile()
+{
+    fs::path logIDPath{EXTENSION_PERSIST_DIR};
+    logIDPath /= fs::path{"pels"} / fs::path{"pelID"};
+    return logIDPath;
+}
+
+} // namespace pels
+
+} // namespace openpower
diff --git a/extensions/openpower-pels/paths.hpp b/extensions/openpower-pels/paths.hpp
new file mode 100644
index 0000000..334165c
--- /dev/null
+++ b/extensions/openpower-pels/paths.hpp
@@ -0,0 +1,15 @@
+#pragma once
+#include <filesystem>
+
+namespace openpower
+{
+namespace pels
+{
+
+/**
+ * @brief Returns the path to the PEL ID file
+ */
+std::filesystem::path getPELIDFile();
+
+} // namespace pels
+} // namespace openpower