diff --git a/src/topology.cpp b/src/topology.cpp
index f2ee22b..94389b9 100644
--- a/src/topology.cpp
+++ b/src/topology.cpp
@@ -29,6 +29,11 @@
 
         downstreamPorts[connectsTo].emplace_back(path);
         boardTypes[path] = boardType;
+        auto findPoweredBy = exposesItem.find("PowerPort");
+        if (findPoweredBy != exposesItem.end())
+        {
+            powerPaths.insert(path);
+        }
     }
     else if (exposesType.ends_with("Port"))
     {
@@ -65,6 +70,11 @@
                     {
                         result[downstream].emplace_back("contained_by",
                                                         "containing", upstream);
+                        if (powerPaths.find(downstream) != powerPaths.end())
+                        {
+                            result[upstream].emplace_back(
+                                "powered_by", "powering", downstream);
+                        }
                     }
                 }
             }
diff --git a/src/topology.hpp b/src/topology.hpp
index 4ea5246..467a5ca 100644
--- a/src/topology.hpp
+++ b/src/topology.hpp
@@ -27,6 +27,7 @@
 
     std::unordered_map<PortType, std::vector<Path>> upstreamPorts;
     std::unordered_map<PortType, std::vector<Path>> downstreamPorts;
+    std::set<Path> powerPaths;
     std::unordered_map<Path, BoardType> boardTypes;
     std::unordered_map<BoardName, Path> boardNames;
 };