diff --git a/definitions/variable/tag_electricity-source.yaml b/definitions/variable/tag_electricity-source.yaml
index 6e54eb0..fbdb28c 100644
--- a/definitions/variable/tag_electricity-source.yaml
+++ b/definitions/variable/tag_electricity-source.yaml
@@ -3,21 +3,39 @@
         description: combined-cycle gas turbine with carbon capture and storage
     - Gas|CCGT|w/o CCS:
         description: combined-cycle gas turbine turbine without carbon capture and storage
-    - Gas|OCGT |w/ CCS:
+    - Gas|OCGT|w/ CCS:
         description: open-cycle gas turbine with carbon capture and storage
-    - Gas|OCGT |w/o CCS:
+    - Gas|OCGT|w/o CCS:
         description: open-cycle gas turbine turbine without carbon capture and storage
     - Gas|Steam Turbine|w/ CCS:
         description: steam turbine with carbon capture and storage
     - Gas|Steam Turbine|w/o CCS:
+        description: steam turbine without carbon capture and storage
+    - Oil|CCGT|w/ CCS:
+        description: combined-cycle gas turbine with carbon capture and storage
+    - Oil|CCGT|w/o CCS:
+        description: combined-cycle gas turbine turbine without carbon capture and storage
+    - Oil|OCGT|w/ CCS:
+        description: open-cycle gas turbine with carbon capture and storage
+    - Oil|OCGT|w/o CCS:
+        description: open-cycle gas turbine turbine without carbon capture and storage
+    - Oil|Steam Turbine|w/ CCS:
+        description: steam turbine with carbon capture and storage
+    - Oil|Steam Turbine|w/o CCS:
         description: steam turbine turbine without carbon capture and storage
+    - Oil|Internal Combustion|w/ CCS:
+        description: Internal combustion engine with carbon capture and storage
+    - Oil|Internal Combustion|w/o CCS:
+        description: Internal combustion engine without carbon capture and storage
     - Hydro|Reservoir:
         description: hydroelectric power plants with reservoirs
     - Hydro|Run of River:
         description: hydroelectric power plants without reservoirs
-    - Coal|Lignite|w/ CCS:          
-        description: coal (lignite) power plants without carbon capture and storage    
-    - Coal|Lignite|w/o CCS:          
+    - Hydro|Pumped Storage:
+        description: Pumped storage hydro-power unit
+    - Coal|Lignite|w/ CCS:
+        description: coal (lignite) power plants without carbon capture and storage
+    - Coal|Lignite|w/o CCS:
         description: coal (lignite) power plants without carbon capture and storage
     - Waste:
         description: waste-to-energy plants