diff --git a/pv_input.py b/pv_input.py
index 2d8037a..7853ddf 100644
--- a/pv_input.py
+++ b/pv_input.py
@@ -1,67 +1,39 @@
-import pandas as pd
 import pvlib
+import pandas as pd
 import matplotlib.pyplot as plt
+from pvlib.modelchain import ModelChain
+from pvlib.location import Location
+from pvlib.pvsystem import PVSystem
+from pvlib.temperature import TEMPERATURE_MODEL_PARAMETERS
 
-# Standortbedingungen (z.B. München, Deutschland)
-latitude = 48.1351
-longitude = 11.5820
-tz = 'Europe/Berlin'
+latitude = 47.2675
+longitude = 11.3910
+tz = 'Europe/Vienna'
+surface_tilt = 0
+surface_azimuth = 180
 
-# Abrufen der Wetter- und Strahlungsdaten für den Standort von PVGIS
-weather_data, meta = pvlib.iotools.get_pvgis_tmy(latitude, longitude)
+database_module = pvlib.pvsystem.retrieve_sam('SandiaMod')
+database_inverter = pvlib.pvsystem.retrieve_sam('CECInverter')
 
-# Zeitstempel setzen und Zeitzonenkonvertierung
-weather_data.index = weather_data.index.tz_localize(tz)
+module = database_module['Canadian_Solar_CS5P_220M___2009_']
+inverter = database_inverter['ABB__PVI_4_2_OUTD_US__208V_']
+modules_per_string = 10
+strings_per_inverter = 2
 
-# PV Modulbedingungen
-module_parameters = {
-    'pdc0': 240,
-    'gamma_pdc': -0.004
-}
+temperature_parameters = TEMPERATURE_MODEL_PARAMETERS['sapm']['open_rack_glass_glass']
 
-# Wechselrichterbedingungen
-inverter_parameters = {
-    'pdc0': 240,
-    'eta_inv_nom': 0.96
-}
+location = Location(latitude, longitude, tz)
+system = PVSystem(surface_tilt=surface_tilt, surface_azimuth=surface_azimuth, module_parameters=module, 
+                  inverter_parameters=inverter, temperature_model_parameters=temperature_parameters, 
+                  modules_per_string=modules_per_string, strings_per_inverter=strings_per_inverter)
 
-# Erstellung des Standort-Objekts
-site = pvlib.location.Location(latitude, longitude, tz=tz)
+modelchain = ModelChain(system, location)
 
-# Solarpositions-Array
-solar_position = site.get_solarposition(weather_data.index)
+times = pd.date_range(start='2021-07-01', end ='2021-07-07', freq='1min', tz=location.tz)
 
-# Erstellen eines PV-Systems
-system = pvlib.pvsystem.PVSystem(
-    surface_tilt=30,
-    surface_azimuth=180,
-    module_parameters=module_parameters,
-    inverter_parameters=inverter_parameters
-)
+clear_sky = location.get_clearsky(times)
+#clear_sky.plot(figsize=(16,9))
 
-# Berechnen der Einfallswinkelmodifikatoren (AOI)
-mc = system.get_aoi(solar_position['apparent_zenith'], solar_position['azimuth'])
-
-# Berechnen der Strahlungswerte auf der Moduloberfläche
-poa_irrad = system.get_irradiance(weather_data['Gb(n)'], weather_data['G(h)'], weather_data['Gd(h)'], mc)
-
-# Modellierung der Zelltemperatur
-tcell = pvlib.temperature.sapm_cell(poa_irrad['poa_global'], weather_data['T2m'], weather_data['WS10m'])
-
-# Modellierung der DC-Leistung
-dc_power = system.pvwatts_dc(poa_irrad['poa_global'], tcell)
-
-# Modellierung der AC-Leistung
-ac_power = system.pvwatts_ac(dc_power)
-
-# Jahresertrag berechnen
-annual_energy = ac_power.sum() / 1000  # kWh
-
-print(f"Jährlicher Output: {annual_energy:.2f} kWh")
-
-# Plot der Ergebnisse
-ac_power.plot()
-plt.ylabel('AC Leistung (W)')
-plt.xlabel('Datum')
-plt.title('Täglicher Ertrag einer PV-Anlage in kWh')
-plt.show()
+modelchain.run_model(clear_sky)
+modelchain.results.ac.plot(figsize=(16,9))
+plt.show()
\ No newline at end of file