diff --git a/autosubmit/autosubmit.py b/autosubmit/autosubmit.py
index 24439f359ce36c79d55be92003e631b2c667d765..dc4c9fd3a4b7de820712ae3629b6a45935200160 100644
--- a/autosubmit/autosubmit.py
+++ b/autosubmit/autosubmit.py
@@ -619,13 +619,17 @@ class Autosubmit:
                         else:
                             content = resource_string('autosubmit.config', 'files/' + filename)
 
+                        # If autosubmitrc [conf] custom_platforms has been set and file exists, replace content
+                        if filename.startswith("platforms") and os.path.isfile(BasicConfig.CUSTOM_PLATFORMS_PATH):
+                            content = open(BasicConfig.CUSTOM_PLATFORMS_PATH, 'r').read() 
+
                         conf_new_filename = os.path.join(BasicConfig.LOCAL_ROOT_DIR, exp_id, "conf", new_filename)
                         Log.debug(conf_new_filename)
                         open(conf_new_filename, 'w').write(content)
                 Autosubmit._prepare_conf_files(exp_id, hpc, Autosubmit.autosubmit_version, dummy)
             except (OSError, IOError) as e:
-                Log.error("Can not create experiment: {0}\nCleaning...".format(e))
-                Autosubmit._delete_expid(exp_id)
+                Log.error("Can not create experiment: {0}\nCleaning...".format(e))                
+                Autosubmit._delete_expid(exp_id, True)
                 return ''
         else:
             try:
@@ -640,9 +644,13 @@ class Autosubmit:
                     conf_copy_id = os.path.join(BasicConfig.LOCAL_ROOT_DIR, copy_id, "conf")
                     files = os.listdir(conf_copy_id)
                     for filename in files:
-                        if os.path.isfile(os.path.join(conf_copy_id, filename)):
+                        if os.path.isfile(os.path.join(conf_copy_id, filename)):                        
                             new_filename = filename.replace(copy_id, exp_id)
                             content = open(os.path.join(conf_copy_id, filename), 'r').read()
+                            # If autosubmitrc [conf] custom_platforms has been set and file exists, replace content
+                            if filename.startswith("platforms") and os.path.isfile(BasicConfig.CUSTOM_PLATFORMS_PATH):
+                                content = open(BasicConfig.CUSTOM_PLATFORMS_PATH, 'r').read()                                                                                            
+
                             open(os.path.join(dir_exp_id, "conf", new_filename), 'w').write(content)
                     Autosubmit._prepare_conf_files(exp_id, hpc, Autosubmit.autosubmit_version, dummy)
                     #####
@@ -661,7 +669,7 @@ class Autosubmit:
                     return ''
             except (OSError, IOError) as e:
                 Log.error("Can not create experiment: {0}\nCleaning...".format(e))
-                Autosubmit._delete_expid(exp_id)
+                Autosubmit._delete_expid(exp_id, True)
                 return ''
 
         Log.debug("Creating temporal directory...")
diff --git a/autosubmit/config/basicConfig.py b/autosubmit/config/basicConfig.py
index 528b66276abff205e20b3dee851247e2faf975ea..c9bec16cc469627406f76573aaac9ac3103138ac 100755
--- a/autosubmit/config/basicConfig.py
+++ b/autosubmit/config/basicConfig.py
@@ -43,6 +43,7 @@ class BasicConfig:
     LOCAL_ASLOG_DIR = 'ASLOGS'
     LOCAL_PROJ_DIR = 'proj'
     DEFAULT_PLATFORMS_CONF = ''
+    CUSTOM_PLATFORMS_PATH = ''
     DEFAULT_JOBS_CONF = ''
     SMTP_SERVER = ''
     MAIL_FROM = ''
@@ -80,6 +81,8 @@ class BasicConfig:
             BasicConfig.LOCAL_ROOT_DIR = parser.get('local', 'path')
         if parser.has_option('conf', 'platforms'):
             BasicConfig.DEFAULT_PLATFORMS_CONF = parser.get('conf', 'platforms')
+        if parser.has_option('conf', 'custom_platforms'):
+            BasicConfig.CUSTOM_PLATFORMS_PATH = parser.get('conf', 'custom_platforms')
         if parser.has_option('conf', 'jobs'):
             BasicConfig.DEFAULT_JOBS_CONF = parser.get('conf', 'jobs')
         if parser.has_option('mail', 'smtp_server'):
diff --git a/docs/source/usage/create_exp.rst b/docs/source/usage/create_exp.rst
index d0f097ceb89393768bae9f99b88d44d8c5657d58..e7bba1859cb2183642ff69f825da9b95327d052d 100644
--- a/docs/source/usage/create_exp.rst
+++ b/docs/source/usage/create_exp.rst
@@ -25,6 +25,18 @@ Example:
 
     autosubmit expid --HPC ithaca --description "experiment is about..."
 
+If there is an autosubmitrc or .autosubmitrc file in your home directory (cd ~), you can setup a default file from where the contents of platforms_expid.conf should be copied.
+
+In this autosubmitrc or .autosubmitrc file, include the configuration setting custom_platforms:
+
+Example:
+::
+    [conf]
+    custom_platforms=/home/Earth/user/custom.conf
+
+Where the specified path should be complete, as something you would get when executing pwd, and also include the filename of your custom platforms content. 
+
+
 How to create a copy of an experiment
 =====================================
 This option makes a copy of an existing experiment.
@@ -42,8 +54,20 @@ Example:
 
     autosubmit expid -y cxxx -H ithaca -d "experiment is about..."
 
+If there is an autosubmitrc or .autosubmitrc file in your home directory (cd ~), you can setup a default file from where the contents of platforms_expid.conf should be copied.
+
+In this autosubmitrc or .autosubmitrc file, include the configuration setting custom_platforms:
+
+Example:
+::
+    [conf]
+    custom_platforms=/home/Earth/user/custom.conf
+
+Where the specified path should be complete, as something you would get when executing pwd, and also include the filename of your custom platforms content.
+
 .. warning:: You can only copy experiments created with Autosubmit 3.0 or above.
 
+
 How to create a dummy experiment
 ================================
 This command creates a new experiment with default values, useful for testing: