diff --git a/pypsse/cli/run.py b/pypsse/cli/run.py
index 04df06d..f53a61f 100644
--- a/pypsse/cli/run.py
+++ b/pypsse/cli/run.py
@@ -3,6 +3,8 @@
 """
 
 from pathlib import Path
+import sys
+sys.path.append('C:\\Program Files\\PTI\\PSSE35\\35.4\\PSSPY39\\')
 
 from loguru import logger
 import click
diff --git a/pypsse/helics_interface.py b/pypsse/helics_interface.py
index 29bd9e8..8736976 100644
--- a/pypsse/helics_interface.py
+++ b/pypsse/helics_interface.py
@@ -204,6 +204,7 @@ def register_subscriptions(self):
         ), "HELICS co-simulations requires a subscriptions_file property populated"
         sub_data = pd.read_csv(self.settings.simulation.subscriptions_file)
         self.psse_dict = {}
+        subs_by_element_id = {}
         for _, row in sub_data.iterrows():
             try:
                 row["element_property"] = ast.literal_eval(row["element_property"])
@@ -236,15 +237,34 @@ def register_subscriptions(self):
 
             element_id = str(row["element_id"])
 
-            self.subscriptions[row["sub_tag"]] = {
-                "bus": row["bus"],
-                "element_id": element_id,
-                "element_type": row["element_type"],
-                "property": row["element_property"],
-                "scaler": row["scaler"],
-                "dStates": [self.init_state] * self.n_states,
-                "subscription": h.helicsFederateRegisterSubscription(self.psse_federate, row["sub_tag"], ""),
-            }
+            # if there are multiple inputs with the same element target, then set it up as a multi-input, rather than a subscription:
+            if element_id in subs_by_element_id.keys():
+                matching_id_subs = subs_by_element_id[element_id]
+                subs_by_element_id[element_id].append(row["sub_tag"])
+                input = h.helicsFederateRegisterInput(self.psse_federate, matching_id_subs[0])
+                input.helics_handle_option_multi_input_handling_method = h.HelicsMultiInputMode.HELICS_MULTI_INPUT_NO_OP
+                input.helics_handle_option_targets = subs_by_element_id[element_id]
+                self.subscriptions[matching_id_subs[0]] = {
+                     "bus": row["bus"],
+                    "element_id": element_id,
+                    "element_type": row["element_type"],
+                    "property": row["element_property"],
+                    "scaler": row["scaler"],
+                    "dStates": [self.init_state] * self.n_states,
+                    "subscription": input
+                }
+                msg = f"WARNING: Subscription element id {element_id} is duplicated, processed as multi-input with targets: {subs_by_element_id[element_id]}"
+                raise Warning(msg)
+            else:
+                self.subscriptions[row["sub_tag"]] = {
+                    "bus": row["bus"],
+                    "element_id": element_id,
+                    "element_type": row["element_type"],
+                    "property": row["element_property"],
+                    "scaler": row["scaler"],
+                    "dStates": [self.init_state] * self.n_states,
+                    "subscription": h.helicsFederateRegisterSubscription(self.psse_federate, row["sub_tag"], ""),
+                }
 
             logger.info(
                 "{} property of element {}.{} at bus {} has subscribed to {}".format(
diff --git a/pypsse/simulator.py b/pypsse/simulator.py
index 8cc508a..3aa9f07 100644
--- a/pypsse/simulator.py
+++ b/pypsse/simulator.py
@@ -17,7 +17,7 @@
 import toml
 from loguru import logger
 from networkx import Graph
-import pssepath
+sys.path.append('C:\\Program Files\\PTI\\PSSE35\\35.4\\PSSPY39\\')#import pssepath
 import pypsse.contingencies as c
 import pypsse.simulation_controller as sc
 from pypsse.common import (
@@ -80,7 +80,7 @@ def __init__(
         self.settings = settings
 
         logger.debug(f"Instantiating psse version {psse_version}")
-        pssepath.add_pssepath(35.4) 
+        #pssepath.add_pssepath(35.4) 
         __import__(psse_version, fromlist=[""])  # noqa: F401
 
         import dyntools