From 0e62646cd8978dc316c3e3e9ecaa8f36d70b4341 Mon Sep 17 00:00:00 2001
From: andig <andi@evcc.io>
Date: Tue, 14 Jul 2026 18:42:36 +0200
Subject: [PATCH] Fix instantiating meters referenced only by circuits (#31788)

---
 cmd/refs.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/cmd/refs.go b/cmd/refs.go
index 4857b5cc3..07361642f 100644
--- a/cmd/refs.go
+++ b/cmd/refs.go
@@ -29,6 +29,11 @@ func collectRefs(conf globalconfig.All) error {
 		return err
 	}
 
+	// circuits
+	if err := collectCircuitRefs(conf.Circuits); err != nil {
+		return err
+	}
+
 	// loadpoints
 	if err := collectLoadpointRefs(slices.Values(conf.Loadpoints)); err != nil {
 		return err
@@ -131,3 +136,20 @@ func collectLoadpointRefs(named iter.Seq[config.Named]) error {
 
 	return nil
 }
+
+func collectCircuitRefs(circuits []config.Named) error {
+	for _, cc := range circuits {
+		var refs struct {
+			MeterRef string         `mapstructure:"meter"` // Circuit meter reference
+			Other    map[string]any `mapstructure:",remain"`
+		}
+
+		if err := util.DecodeOther(cc.Other, &refs); err != nil {
+			return err
+		}
+
+		references.meter = append(references.meter, refs.MeterRef)
+	}
+
+	return nil
+}