diff --git a/changelog.md b/changelog.md
index 53c0a3f..00e4258 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,7 +4,7 @@
 * None.
 
 ### New Features
-* None.
+* Update `ModelConfig` to contain an optional `transformer_tap_settings` field to specify a set of distribution transformer tap settings to be applied by the model-processor.
 
 ### Enhancements
 * Added work package config documentation.
diff --git a/src/zepben/eas/client/eas_client.py b/src/zepben/eas/client/eas_client.py
index 7d3e80b..fc3a024 100644
--- a/src/zepben/eas/client/eas_client.py
+++ b/src/zepben/eas/client/eas_client.py
@@ -262,7 +262,8 @@ async def async_run_hosting_capacity_work_package(self, work_package: WorkPackag
                                 "defaultLoadWatts": work_package.generator_config.model.default_load_watts,
                                 "defaultGenWatts": work_package.generator_config.model.default_gen_watts,
                                 "defaultLoadVar": work_package.generator_config.model.default_load_var,
-                                "defaultGenVar": work_package.generator_config.model.default_gen_var
+                                "defaultGenVar": work_package.generator_config.model.default_gen_var,
+                                "transformerTapSettings": work_package.generator_config.model.transformer_tap_settings
                             },
                             "solve": work_package.generator_config.solve and {
                                 "normVMinPu": work_package.generator_config.solve.norm_vmin_pu,
diff --git a/src/zepben/eas/client/work_package.py b/src/zepben/eas/client/work_package.py
index 992eba9..a2d869d 100644
--- a/src/zepben/eas/client/work_package.py
+++ b/src/zepben/eas/client/work_package.py
@@ -353,6 +353,11 @@ class ModelConfig:
         1.0: 24 entries for daily and 8760 for yearly
     """
 
+    transformer_tap_settings: Optional[str] = None
+    """
+    The name of the set of distribution transformer tap settings to be applied to the model from an external source.
+    """
+
 
 class SolveMode(Enum):
     YEARLY = "YEARLY"