diff --git a/definitions/variable/technology/technologies.yaml b/definitions/variable/technology/technologies.yaml
index e6b546bf..b292fab6 100644
--- a/definitions/variable/technology/technologies.yaml
+++ b/definitions/variable/technology/technologies.yaml
@@ -230,6 +230,20 @@
     description: Investments into heat pumps for use in {Residential/Commercial} buildings
     unit: [million EUR_2020/yr, billion USD_2010/yr]
 
+
+- Investment|Energy Demand|{Residential/Commercial}:
+    description: Total investments in {Residential/Commercial}
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+- Investment|Energy Demand|{Residential/Commercial}|Appliances:
+    description: Investments into non-heating/cooling appliances in {Residential/Commercial}
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+- Investment|Energy Demand|{Residential/Commercial}|Building Envelope:
+    description: Investments into the building envelope in {Residential/Commercial}
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+- Investment|Energy Demand|{Residential/Commercial}|Heating and Cooling:
+    description: Investments into heating & cooling technologies in {Residential/Commercial}
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+
 - Investment|Energy Supply:
     description: Investments into the energy supply system
     unit: [million EUR_2020/yr, billion USD_2010/yr]
@@ -311,6 +325,20 @@
       be included but not the one on transport and storage.
     unit: [million EUR_2020/yr, billion USD_2010/yr]
 
+- Running Costs|{Residential/Commercial}:
+    description: Operation and Maintenance as well as fuel costs in {Residential/Commercial}.
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+- Running Costs|{Residential/Commercial}|Operation and Maintenance:
+    description: Operation and Maintenance costs in {Residential/Commercial}.
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+- Running Costs|{Residential/Commercial}|Heating and Cooling|Fuel:
+    description: Fuel costs for heating and cooling in {Residential/Commercial}.
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+- Running Costs|{Residential/Commercial}|Appliances|Fuel:
+    description: Fuel costs for non-heating/cooling appliances in {Residential/Commercial}.
+    unit: [billion EUR_2020/yr, billion USD_2010/yr]
+
+
 - Stock|Transportation|{Transport mode, tech and carrier}:
     description: Number of registered vehicles with {Transport mode, tech and carrier}
     unit: million