diff --git a/src/panels/lovelace/cards/energy/hui-energy-gas-graph-card.ts b/src/panels/lovelace/cards/energy/hui-energy-gas-graph-card.ts
index b9516234c0..8f31da9fc1 100644
--- a/src/panels/lovelace/cards/energy/hui-energy-gas-graph-card.ts
+++ b/src/panels/lovelace/cards/energy/hui-energy-gas-graph-card.ts
@@ -175,6 +175,7 @@ export class HuiEnergyGasGraphCard
             offset: true,
           },
           y: {
+            stacked: true,
             type: "linear",
             title: {
               display: true,
@@ -306,6 +307,7 @@ export class HuiEnergyGasGraphCard
           borderColor,
           backgroundColor: borderColor + "7F",
           data: gasConsumptionData,
+          stack: "gas",
         });
       }
 
diff --git a/src/panels/lovelace/cards/energy/hui-energy-solar-graph-card.ts b/src/panels/lovelace/cards/energy/hui-energy-solar-graph-card.ts
index fc5ace1bf8..de57958829 100644
--- a/src/panels/lovelace/cards/energy/hui-energy-solar-graph-card.ts
+++ b/src/panels/lovelace/cards/energy/hui-energy-solar-graph-card.ts
@@ -168,6 +168,7 @@ export class HuiEnergySolarGraphCard
             offset: true,
           },
           y: {
+            stacked: true,
             type: "linear",
             title: {
               display: true,
@@ -317,6 +318,7 @@ export class HuiEnergySolarGraphCard
           borderColor,
           backgroundColor: borderColor + "7F",
           data: solarProductionData,
+          stack: "solar",
         });
       }