diff --git a/nix/workbench/profile/prof0-defaults.jq b/nix/workbench/profile/prof0-defaults.jq
index 821ec6a57ca..b9e5e6e29fd 100644
--- a/nix/workbench/profile/prof0-defaults.jq
+++ b/nix/workbench/profile/prof0-defaults.jq
@@ -63,6 +63,8 @@ def era_defaults($era):
       }
     }
 
+  , workloads: []
+
   , node:
     { rts_flags_override:             []
     , heap_limit:                     null                ## optional: heap limit in MB (translates to RTS flag -M)
diff --git a/nix/workbench/profile/prof1-variants.jq b/nix/workbench/profile/prof1-variants.jq
index 40940bdaaa8..dda1beb38bc 100644
--- a/nix/workbench/profile/prof1-variants.jq
+++ b/nix/workbench/profile/prof1-variants.jq
@@ -392,7 +392,7 @@ def all_profile_variants:
      | .node.shutdown_on_slot_synced    = 1200
     ) as $for_1200slot
   ##
-  ### Definition vocabulary:  workload
+  ### Definition vocabulary:  generator workload
   ##
   | ({}|
      .generator.tps                   = 15
@@ -431,7 +431,6 @@ def all_profile_variants:
     , generator:
       { inputs_per_tx:                  1
       , outputs_per_tx:                 1
-      , drep_voting:                    true
       }
     }) as $voting_base
   |
@@ -545,6 +544,17 @@ def all_profile_variants:
     | .generator.tx_fee        = 940000
     ) as $plutus_loop_ripemd
   ##
+  ### Definition vocabulary:  custom workloads
+  ##
+  |
+    ({  nix_module_name: "voting.nix"
+      , parameters: {}
+      , entrypoints: {
+          pre_generator: "workflow_generator"
+        , producers:     "workflow_producer"
+      }
+    }) as $voting_workload
+  ##
   ### Definition vocabulary:  genesis variants
   ##
   |
@@ -1325,68 +1335,68 @@ def all_profile_variants:
   # Split creating 500k UTxO, create the transactions (build-raw) but no submit.
   , $valuevoting_nomadperf_template * $dreps_large *
     { name: "value-voting-utxo-volt-nomadperf"
-    , generator: {drep_voting: true}
-    , workload: [
-      { outs_per_split_transaction: 193
-      , submit_vote: false
-      }
-    ]
+    , workloads:
+      [ $voting_workload * {parameters:
+        { outs_per_split_transaction: 193
+        , submit_vote: false
+        }
+      }]
     }
   # One vote per voting tx version.
   , $valuevoting_nomadperf_template * $dreps_large *
     { name: "value-voting-volt-nomadperf"
-    , generator: {drep_voting: true}
-    , workload: [
-      { outs_per_split_transaction: 193
-      , submit_vote: true
-      , votes_per_tx: 1
-      }
-    ]
+    , workloads:
+      [ $voting_workload * {parameters:
+        { outs_per_split_transaction: 193
+        , submit_vote: true
+        , votes_per_tx: 1
+        }
+      }]
     }
   # Two votes per voting tx version.
   , $valuevoting_nomadperf_template * $dreps_large *
     { name: "value-voting-double-volt-nomadperf"
-    , generator: {drep_voting: true}
-    , workload: [
-      { outs_per_split_transaction: 193
-      , submit_vote: true
-      , votes_per_tx: 2
-      }
-    ]
+    , workloads:
+      [ $voting_workload * {parameters:
+        { outs_per_split_transaction: 193
+        , submit_vote: true
+        , votes_per_tx: 2
+        }
+      }]
     }
 
 ## As "plutus" above with an extra voting workload
   # Split creating 500k UTxO, create the transactions (build-raw) but no submit.
   , $plutusvoting_nomadperf_template * $dreps_large *
     { name: "plutus-voting-utxo-volt-nomadperf"
-    , generator: {drep_voting: true}
-    , workload: [
-      { outs_per_split_transaction: 193
-      , submit_vote: false
-      }
-    ]
+    , workloads:
+      [ $voting_workload * {parameters:
+        { outs_per_split_transaction: 193
+        , submit_vote: false
+        }
+      }]
     }
   # One vote per voting tx version.
   , $plutusvoting_nomadperf_template * $dreps_large *
     { name: "plutus-voting-volt-nomadperf"
-    , generator: {drep_voting: true}
-    , workload: [
-      { outs_per_split_transaction: 193
-      , submit_vote: true
-      , votes_per_tx: 1
-      }
-    ]
+    , workloads:
+      [ $voting_workload * {parameters:
+        { outs_per_split_transaction: 193
+        , submit_vote: true
+        , votes_per_tx: 1
+        }
+      }]
     }
   # Two votes per voting tx version.
   , $plutusvoting_nomadperf_template * $dreps_large *
     { name: "plutus-voting-double-volt-nomadperf"
-    , generator: {drep_voting: true}
-    , workload: [
-      { outs_per_split_transaction: 193
-      , submit_vote: true
-      , votes_per_tx: 2
-      }
-    ]
+    , workloads:
+      [ $voting_workload * {parameters:
+        { outs_per_split_transaction: 193
+        , submit_vote: true
+        , votes_per_tx: 2
+        }
+      }]
     }
 
 ## P&T Nomad cluster: 52 nodes, PlutusV3 BLST and Plutus SECP workloads
diff --git a/nix/workbench/service/generator.nix b/nix/workbench/service/generator.nix
index 70bd6700b18..b0038c67a1d 100644
--- a/nix/workbench/service/generator.nix
+++ b/nix/workbench/service/generator.nix
@@ -129,23 +129,42 @@ let
         value = ''
           #!${pkgs.stdenv.shell}
 
-          ############################### VOTING ###############################
-          ############################### VOTING ###############################
-          ############################### VOTING ###############################
-          ${if profile.generator.drep_voting or false
-            then
-              ''
-              ${import ./voting.nix {inherit pkgs profile nodeSpecs;}}
-              workflow_generator \
-               ${if profile.composition.with_explorer then "explorer" else "node-0"}
-              ''
-            else
-              ''
-              ''
+          #############################################
+          # Extra workloads start #####################
+          #############################################
+          ${builtins.concatStringsSep "" (builtins.map (workload:
+              let nix_module_name = workload.nix_module_name;
+                  entrypoint = workload.entrypoints.pre_generator or "";
+                  node_name = if profile.composition.with_explorer
+                              then "explorer"
+                              else "node-0"
+                  ;
+              in
+                  ''
+                  #############################################
+                  ########## workload start: ${nix_module_name}
+                  #############################################
+                  ${if entrypoint != ""
+                    then
+                      ''
+                      ${import ../workload/${nix_module_name}
+                        {inherit pkgs profile nodeSpecs workload;}
+                      }
+                      ${entrypoint} ${node_name}
+                      ''
+                    else
+                      ''
+                      ''
+                  }
+                  #############################################
+                  ########## workload end:   ${nix_module_name}
+                  #############################################
+                  ''
+            ) (profile.workloads or []))
           }
-          ############################### VOTING ###############################
-          ############################### VOTING ###############################
-          ############################### VOTING ###############################
+          #############################################
+          # Extra workloads end #######################
+          #############################################
 
           ${service.script}
           '';
diff --git a/nix/workbench/service/voting.nix b/nix/workbench/workload/voting.nix
similarity index 99%
rename from nix/workbench/service/voting.nix
rename to nix/workbench/workload/voting.nix
index 7e36eaadd6a..02cfe802b39 100644
--- a/nix/workbench/service/voting.nix
+++ b/nix/workbench/workload/voting.nix
@@ -1,6 +1,7 @@
 { pkgs
 , profile
 , nodeSpecs
+, workload
 }:
 
 let
@@ -21,8 +22,6 @@ let
   # Where to obtain the genesis funds from.
   genesis_funds_vkey = "../genesis/cache-entry/utxo-keys/utxo2.vkey";
   genesis_funds_skey = "../genesis/cache-entry/utxo-keys/utxo2.skey";
-  # Workload
-  workload = builtins.elemAt profile.workload 0; # Only workload 0 exists now!
   # Initial donation from genesis funds to make "valid" withdrawal proposals.
   treasury_donation = 500000;