diff --git a/json/model_122.json b/json/model_122.json
index f8040cb..b9068a4 100644
--- a/json/model_122.json
+++ b/json/model_122.json
@@ -164,7 +164,7 @@
                 "sf": "WAval_SF",
                 "size": 1,
                 "type": "uint16",
-                "units": "var"
+                "units": "W"
             },
             {
                 "desc": "Scale factor for available Watts.",
diff --git a/smdx/smdx_00122.xml b/smdx/smdx_00122.xml
index 4f150ea..9aa28b0 100644
--- a/smdx/smdx_00122.xml
+++ b/smdx/smdx_00122.xml
@@ -25,7 +25,7 @@
       <point id="ActVArhQ4" offset="23" type="acc64" len="4" units="varh" />
       <point id="VArAval" offset="27" type="int16" len="1" sf="VArAval_SF" units="var" />
       <point id="VArAval_SF" offset="28" type="sunssf" len="1" />
-      <point id="WAval" offset="29" type="uint16" len="1" sf="WAval_SF" units="var" />
+      <point id="WAval" offset="29" type="uint16" len="1" sf="WAval_SF" units="W" />
       <point id="WAval_SF" offset="30" type="sunssf" len="1" />
       <point id="StSetLimMsk" offset="31" type="bitfield32" len="2" >
         <symbol id="WMax">0</symbol>