diff --git a/config/wattana.toml b/config/wattana.toml
new file mode 100644
index 0000000..2219c64
--- /dev/null
+++ b/config/wattana.toml
@@ -0,0 +1,6 @@
+[Datenbank]
+NUTZER = "WATTANA"
+PASSWORT = "MyWattanaPassword123"
+HOST = "localhost"
+PORT = 1521
+SERVICE_NAME = "FREEPDB1"
\ No newline at end of file
diff --git a/deployment/.env b/deployment/.env
index 9c741ea..e426e48 100644
--- a/deployment/.env
+++ b/deployment/.env
@@ -1,3 +1,4 @@
 DOPT_STOP_FOLDER_NAME=python
 DOPT_INTERNAL_DB=data/wattana.db
-DOPT_PATH_LOGGING=data/logs
\ No newline at end of file
+DOPT_PATH_LOGGING=data/logs
+DOPT_PATH_CONFIG=config/wattana.toml
\ No newline at end of file
diff --git a/src/wattanalyse/README.md b/src/wattanalyse/README.md
index bf18895..e5ce939 100644
--- a/src/wattanalyse/README.md
+++ b/src/wattanalyse/README.md
@@ -4,3 +4,4 @@
 - DOPT_STOP_FOLDER_NAME: stop folder to find base path
 - DOPT_INTERNAL_DB: path to internal database where results for further processing are saved, relative to base path
 - DOPT_PATH_LOGGING: path to logging folder, relative to base path
+- DOPT_PATH_CONFIG: path to the config file which can be changed by the user/customer
diff --git a/src/wattanalyse/constants.py b/src/wattanalyse/constants.py
index 661c9a0..51a8712 100644
--- a/src/wattanalyse/constants.py
+++ b/src/wattanalyse/constants.py
@@ -4,8 +4,11 @@ import os
 from pathlib import Path
 from typing import Final
 
+from dopt_basics import configs
 from dopt_basics import io as io_
 
+from wattanalyse import types as t
+
 # PROJECT_ROOT = Path(__file__).resolve().parents[2]
 LIB_PATH: Final[Path] = Path(__file__).resolve().parent
 
@@ -21,3 +24,10 @@ class Config:
     DB_PATH_INTERNAL: Path = BASE_PATH / os.getenv("DOPT_INTERNAL_DB", "not_existing")
     PATH_LOGGING: Path = BASE_PATH / os.getenv("DOPT_PATH_LOGGING", "data/d-opt.log")
     LOG_FILENAME: str = "dopt.log"
+    PTH_USER_CFG: Path = BASE_PATH / os.getenv("DOPT_PATH_CONFIG", "config/wattana.toml")
+
+
+user_cfg = configs.load_toml(Config.PTH_USER_CFG)
+USER_CFG: t.UserConfig = t.UserConfig(
+    Datenbank=t.UserConfig_Datenbank(**user_cfg["Datenbank"])
+)
diff --git a/src/wattanalyse/types.py b/src/wattanalyse/types.py
new file mode 100644
index 0000000..c518040
--- /dev/null
+++ b/src/wattanalyse/types.py
@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+import dataclasses as dc
+
+
+@dc.dataclass(kw_only=True, slots=True)
+class UserConfig_Datenbank:
+    NUTZER: str
+    PASSWORT: str
+    HOST: str
+    PORT: int
+    SERVICE_NAME: str
+
+
+@dc.dataclass(kw_only=True, slots=True)
+class UserConfig:
+    Datenbank: UserConfig_Datenbank