diff --git a/Model.js b/Model.js
index eab29f3..ca1364d 100644
--- a/Model.js
+++ b/Model.js
@@ -193,7 +193,9 @@ function summary(status) {
     parts.push("↓" + fmtMbps(live.downMbps) + " ↑" + fmtMbps(live.upMbps))
   if (live.typicalDownMbps !== null && live.typicalDownMbps !== undefined)
     parts.push("typ ↓" + fmtMbps(live.typicalDownMbps))
-  if (live.powerW !== null && live.powerW !== undefined) parts.push(fmtW(live.powerW))
+  // 0 means the dish does not meter draw (see Panel.qml hasPower): leave it
+  // out of the tooltip rather than reporting a false 0.0 W.
+  if (live.powerW > 0) parts.push(fmtW(live.powerW))
   var alerts = allAlertLabels(status)
   for (var i = 0; i < alerts.length; i++) parts.push("⚠ " + alerts[i])
   var det = String(status.stateDetail || "")
diff --git a/Panel.qml b/Panel.qml
index 86193c3..742e831 100644
--- a/Panel.qml
+++ b/Panel.qml
@@ -164,9 +164,15 @@ Panel {
     return m
   }
 
+  // True only when the dish actually meters draw. Hardware that does not
+  // report power fills the ring with 0s (rev1 pre-production firmware does),
+  // which presence alone cannot tell apart from a real reading — so treat
+  // all-zero as "not reported" and hide the block instead of claiming 0.0 W
+  // beside an empty plot. A live idle draw is tens of watts, so a positive
+  // test can never hide a dish that does measure.
   readonly property bool hasPower: {
     var p = h ? h.powerW : []
-    for (var i = 0; i < p.length; i++) if (p[i] !== null && p[i] !== undefined) return true
+    for (var i = 0; i < p.length; i++) if (p[i] > 0) return true
     return false
   }
 
diff --git a/README.md b/README.md
index 34ccffa..f511c1f 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,8 @@ pick up dashboard changes — the shell caches QML until restart.
 
 - A Starlink dish reachable at `192.168.100.1` (default; any router setup that
   lets the Starlink app work also lets Dishy work)
+- A dish that reports power draw (optional; the power block is hidden when
+  every sample is 0 W, since such hardware does not meter draw)
 - Omarchy's shell (Quickshell) — this is a `bar-widget` plugin
 - `systemd` user session for the backend service
 - `notify-send` for notifications (optional; already part of Omarchy)