diff --git a/descriptors/ModuleDescriptor-template.json b/descriptors/ModuleDescriptor-template.json
index 015a5d7bd..772e31078 100644
--- a/descriptors/ModuleDescriptor-template.json
+++ b/descriptors/ModuleDescriptor-template.json
@@ -334,6 +334,12 @@
       "version": "1.1"
     }
   ],
+  "optional": [
+    {
+      "id": "consortia",
+      "version": "1.0"
+    }
+  ],
   "launchDescriptor": {
     "dockerImage": "@artifactId@:@version@",
     "dockerPull": false,
diff --git a/src/main/java/org/folio/fqm/service/EntityTypeInitializationService.java b/src/main/java/org/folio/fqm/service/EntityTypeInitializationService.java
index aa6e9a39a..864e9ecd9 100644
--- a/src/main/java/org/folio/fqm/service/EntityTypeInitializationService.java
+++ b/src/main/java/org/folio/fqm/service/EntityTypeInitializationService.java
@@ -8,8 +8,13 @@
 import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Stream;
+
+import com.jayway.jsonpath.DocumentContext;
+import com.jayway.jsonpath.JsonPath;
 import lombok.extern.log4j.Log4j2;
+import org.folio.fqm.client.SimpleHttpClient;
 import org.folio.fqm.repository.EntityTypeRepository;
 import org.folio.querytool.domain.dto.EntityType;
 import org.folio.spring.FolioExecutionContext;
@@ -28,16 +33,19 @@ public class EntityTypeInitializationService {
 
   private final ObjectMapper objectMapper;
   private final ResourcePatternResolver resourceResolver;
+  private final SimpleHttpClient ecsClient;
 
   @Autowired
   public EntityTypeInitializationService(
     EntityTypeRepository entityTypeRepository,
     FolioExecutionContext folioExecutionContext,
-    ResourcePatternResolver resourceResolver
+    ResourcePatternResolver resourceResolver,
+    SimpleHttpClient ecsClient
   ) {
     this.entityTypeRepository = entityTypeRepository;
     this.folioExecutionContext = folioExecutionContext;
     this.resourceResolver = resourceResolver;
+    this.ecsClient = ecsClient;
 
     // this enables all JSON5 features, except for numeric ones (hex, starting/trailing
     // decimal points, use of NaN, etc), as those are not relevant for our use
@@ -62,7 +70,16 @@ public EntityTypeInitializationService(
   // called as part of tenant install/upgrade (see FqmTenantService)
   public void initializeEntityTypes() throws IOException {
     log.info("Initializing entity types");
-
+    String centralTenantId = "${central_tenant_id}";
+    try {
+      String rawJson = ecsClient.get("consortia-configuration", Map.of("limit", String.valueOf(100)));
+      DocumentContext parsedJson = JsonPath.parse(rawJson);
+      centralTenantId = parsedJson.read("centralTenantId");
+      log.info("ECS central tenant ID: {}", centralTenantId);
+    } catch (Exception e) {
+      log.info("ECS is not enabled for tenant {}", folioExecutionContext.getTenantId());
+    }
+    String finalCentralTenantId = centralTenantId;
     List<EntityType> desiredEntityTypes = Stream
       .concat(
         Arrays.stream(resourceResolver.getResources("classpath:/entity-types/**/*.json")),
@@ -74,7 +91,8 @@ public void initializeEntityTypes() throws IOException {
           return objectMapper.readValue(
             resource
               .getContentAsString(StandardCharsets.UTF_8)
-              .replace("${tenant_id}", folioExecutionContext.getTenantId()),
+              .replace("${tenant_id}", folioExecutionContext.getTenantId())
+              .replace("${central_tenant_id}", finalCentralTenantId),
             EntityType.class
           );
         } catch (IOException e) {
diff --git a/src/main/resources/entity-types/inventory/simple_instance.json5 b/src/main/resources/entity-types/inventory/simple_instance.json5
index 9592ca0b3..50efffc9b 100644
--- a/src/main/resources/entity-types/inventory/simple_instance.json5
+++ b/src/main/resources/entity-types/inventory/simple_instance.json5
@@ -1047,7 +1047,7 @@
       queryable: true,
       visibleByDefault: true,
       valueGetter: "CASE \
-                      WHEN (SELECT central_tenant_id from ${tenant_id}_mod_consortia.consortia_configuration) = '${tenant_id}' \
+                      WHEN '${central_tenant_id}' = '${tenant_id}' \
                         THEN 'Shared'\
                       ELSE \
                         CASE \
@@ -1056,7 +1056,17 @@
                           ELSE 'Local' \
                         END \
                     END",
-      ecsOnly: true
+      values: [
+        {
+          value: 'Shared',
+          label: 'Shared',
+        },
+        {
+          value: 'Local',
+          label: 'Local',
+        },
+      ],
+      ecsOnly: true,
     },
     {
       name: 'source_tenant_id',
@@ -1068,16 +1078,26 @@
       queryable: true,
       visibleByDefault: true,
       valueGetter: "CASE \
-                      WHEN (SELECT central_tenant_id from ${tenant_id}_mod_consortia.consortia_configuration) = '${tenant_id}' \
+                      WHEN '${central_tenant_id}' = '${tenant_id}' \
                         THEN '${tenant_id}' \
                       ELSE \
                         CASE \
                           WHEN \"left\"(lower(:sourceAlias.jsonb ->> 'source'::text), 600) = 'consortium-folio' OR \"left\"(lower(:sourceAlias.jsonb ->> 'source'::text), 600) = 'consortium-marc' \
-                            THEN (SELECT central_tenant_id FROM ${tenant_id}_mod_consortia.consortia_configuration) \
+                            THEN '${central_tenant_id}' \
                           ELSE '${tenant_id}' \
                         END \
                     END",
-      ecsOnly: true
+      values: [
+        {
+          value: '${tenant_id}',
+          label: '${tenant_id}',
+        },
+        {
+          value: '${central_tenant_id}',
+          label: '${central_tenant_id}',
+        },
+      ],
+      ecsOnly: true,
     }
   ],
 }
diff --git a/src/test/java/org/folio/fqm/context/TestDbSetupConfiguration.java b/src/test/java/org/folio/fqm/context/TestDbSetupConfiguration.java
index e450c523e..7b82afa73 100644
--- a/src/test/java/org/folio/fqm/context/TestDbSetupConfiguration.java
+++ b/src/test/java/org/folio/fqm/context/TestDbSetupConfiguration.java
@@ -2,9 +2,11 @@
 
 import jakarta.annotation.PostConstruct;
 import java.io.IOException;
+import java.util.Map;
 import javax.sql.DataSource;
 import liquibase.integration.spring.SpringLiquibase;
 import org.folio.fqm.IntegrationTestBase;
+import org.folio.fqm.client.SimpleHttpClient;
 import org.folio.fqm.repository.EntityTypeRepository;
 import org.folio.fqm.service.EntityTypeInitializationService;
 import org.folio.spring.FolioExecutionContext;
@@ -15,6 +17,9 @@
 import org.springframework.context.annotation.Profile;
 import org.springframework.core.io.support.ResourcePatternResolver;
 
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
 /**
  * This class is responsible for inserting test data into a PostgreSQL test container database.
  */
@@ -47,6 +52,8 @@ static class EntityTypeInitializer {
 
     @PostConstruct
     public void populateEntityTypes() throws IOException {
+      SimpleHttpClient ecsClient = mock(SimpleHttpClient.class);
+      when(ecsClient.get("consortia-configuration", Map.of("limit", String.valueOf(100)))).thenReturn("{\"centralTenantId\": \"tenant_01\"}");
       new EntityTypeInitializationService(
         entityTypeRepository,
         new FolioExecutionContext() {
@@ -55,7 +62,8 @@ public String getTenantId() {
             return IntegrationTestBase.TENANT_ID;
           }
         },
-        resourceResolver
+        resourceResolver,
+        ecsClient
       )
         .initializeEntityTypes();
     }