From 6ac464287e783bc78a0a8e7a2e7925f04ae96ae0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrik=20Sch=C3=B6nfeldt?= <patrik@proxima.snft.de>
Date: Fri, 13 Dec 2024 10:24:32 +0100
Subject: [PATCH 1/3] Update dependencies

* PVLib silently removed poa_horizontal_ratio, thus we need to implement it
ourselves. (This was easy.)
* Pandas reoved DataFrame.append, so it is replaced by concat.
* Pandas.date_range now wants "h" instead of "H" for hours.
---
 .../absorption_heatpump_and_chiller/absorption_chiller.py | 2 +-
 .../airsource_heatpump_const_max_output.py                | 2 +-
 .../airsource_heatpump_variable_max_output.py             | 2 +-
 .../chiller_cop_as_TimeSeries.py                          | 2 +-
 .../groundsource_heatpump.py                              | 2 +-
 .../csp_collector_plot_andasol.py                         | 4 +++-
 .../investment_fixed_ratio_facade.py                      | 2 +-
 .../investment_fixed_ratio_generic_storage.py             | 2 +-
 .../investment_independent_facade.py                      | 2 +-
 .../investment_independent_generic_storage.py             | 2 +-
 examples/stratified_thermal_storage/model_validation.py   | 2 +-
 examples/stratified_thermal_storage/operation_facade.py   | 2 +-
 .../operation_generic_storage.py                          | 2 +-
 examples/stratified_thermal_storage/plots.py              | 2 +-
 pyproject.toml                                            | 2 +-
 src/oemof/thermal/concentrating_solar_power.py            | 8 +++++++-
 tests/test_constraints.py                                 | 2 +-
 17 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/examples/absorption_heatpump_and_chiller/absorption_chiller.py b/examples/absorption_heatpump_and_chiller/absorption_chiller.py
index 01ceb14d..8ffa4cba 100644
--- a/examples/absorption_heatpump_and_chiller/absorption_chiller.py
+++ b/examples/absorption_heatpump_and_chiller/absorption_chiller.py
@@ -14,7 +14,7 @@ def absorption_chiller_example():
     solver_verbose = True
 
     date_time_index = pd.date_range(
-        "1/1/2012", periods=number_of_time_steps, freq="H"
+        "1/1/2012", periods=number_of_time_steps, freq="h"
     )
     energysystem = solph.EnergySystem(timeindex=date_time_index)
 
diff --git a/examples/compression_heatpump_and_chiller/airsource_heatpump_const_max_output.py b/examples/compression_heatpump_and_chiller/airsource_heatpump_const_max_output.py
index 5cd5a59f..a214e4bf 100644
--- a/examples/compression_heatpump_and_chiller/airsource_heatpump_const_max_output.py
+++ b/examples/compression_heatpump_and_chiller/airsource_heatpump_const_max_output.py
@@ -31,7 +31,7 @@ def airource_hp_const_example():
     solver_verbose = False
 
     date_time_index = pd.date_range(
-        "1/1/2012", periods=number_of_time_steps, freq="H"
+        "1/1/2012", periods=number_of_time_steps, freq="h"
     )
 
     energysystem = solph.EnergySystem(timeindex=date_time_index)
diff --git a/examples/compression_heatpump_and_chiller/airsource_heatpump_variable_max_output.py b/examples/compression_heatpump_and_chiller/airsource_heatpump_variable_max_output.py
index 510df8d4..0b26f942 100644
--- a/examples/compression_heatpump_and_chiller/airsource_heatpump_variable_max_output.py
+++ b/examples/compression_heatpump_and_chiller/airsource_heatpump_variable_max_output.py
@@ -33,7 +33,7 @@ def airource_hp_variable_example():
     solver_verbose = False
 
     date_time_index = pd.date_range(
-        "1/1/2012", periods=number_of_time_steps, freq="H"
+        "1/1/2012", periods=number_of_time_steps, freq="h"
     )
 
     energysystem = solph.EnergySystem(timeindex=date_time_index)
diff --git a/examples/compression_heatpump_and_chiller/chiller_cop_as_TimeSeries.py b/examples/compression_heatpump_and_chiller/chiller_cop_as_TimeSeries.py
index 8d313aea..93fd761b 100644
--- a/examples/compression_heatpump_and_chiller/chiller_cop_as_TimeSeries.py
+++ b/examples/compression_heatpump_and_chiller/chiller_cop_as_TimeSeries.py
@@ -42,7 +42,7 @@ def chiller_cop_timeseries_example():
         23,
     ]
 
-    timestamps = pd.date_range("20200101", periods=24, freq="H")
+    timestamps = pd.date_range("20200101", periods=24, freq="h")
 
     # Convert temp_ambient to pandas DataFrame
     df_temp_ambient = pd.DataFrame(temp_ambient, timestamps)
diff --git a/examples/compression_heatpump_and_chiller/groundsource_heatpump.py b/examples/compression_heatpump_and_chiller/groundsource_heatpump.py
index a3205349..92e386c6 100644
--- a/examples/compression_heatpump_and_chiller/groundsource_heatpump.py
+++ b/examples/compression_heatpump_and_chiller/groundsource_heatpump.py
@@ -29,7 +29,7 @@ def groundsource_hp_example():
     solver_verbose = False
 
     date_time_index = pd.date_range(
-        "1/1/2012", periods=number_of_time_steps, freq="H"
+        "1/1/2012", periods=number_of_time_steps, freq="h"
     )
 
     energysystem = solph.EnergySystem(timeindex=date_time_index)
diff --git a/examples/concentrating_solar_power/csp_collector_plot_andasol.py b/examples/concentrating_solar_power/csp_collector_plot_andasol.py
index b28b0b8c..d14284bc 100644
--- a/examples/concentrating_solar_power/csp_collector_plot_andasol.py
+++ b/examples/concentrating_solar_power/csp_collector_plot_andasol.py
@@ -134,7 +134,9 @@ def csp_andasol_example():
             E_dir_hor=df_temp_amb_series["E_dir_hor"],
         )
 
-        df_result = df_result.append(data_precalc_temp_amb, ignore_index=True)
+        df_result = pd.concat(
+            [df_result, data_precalc_temp_amb], ignore_index=True
+        )
 
     _, ax = plt.subplots()
     ax.plot(
diff --git a/examples/stratified_thermal_storage/investment_fixed_ratio_facade.py b/examples/stratified_thermal_storage/investment_fixed_ratio_facade.py
index e22d6211..cd07ca10 100644
--- a/examples/stratified_thermal_storage/investment_fixed_ratio_facade.py
+++ b/examples/stratified_thermal_storage/investment_fixed_ratio_facade.py
@@ -39,7 +39,7 @@ def fixed_ratio_invest_facade_example():
     # Set up an energy system model
     solver = "cbc"
     periods = 100
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
     demand_timeseries = np.zeros(periods)
     demand_timeseries[-5:] = 1
     heat_feedin_timeseries = np.zeros(periods)
diff --git a/examples/stratified_thermal_storage/investment_fixed_ratio_generic_storage.py b/examples/stratified_thermal_storage/investment_fixed_ratio_generic_storage.py
index f6c5f0c1..78e0af53 100644
--- a/examples/stratified_thermal_storage/investment_fixed_ratio_generic_storage.py
+++ b/examples/stratified_thermal_storage/investment_fixed_ratio_generic_storage.py
@@ -74,7 +74,7 @@ def print_parameters():
     # Set up an energy system model
     solver = "cbc"
     periods = 100
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
     demand_timeseries = np.zeros(periods)
     demand_timeseries[-5:] = 1
     heat_feedin_timeseries = np.zeros(periods)
diff --git a/examples/stratified_thermal_storage/investment_independent_facade.py b/examples/stratified_thermal_storage/investment_independent_facade.py
index f82c986a..c59e3e37 100644
--- a/examples/stratified_thermal_storage/investment_independent_facade.py
+++ b/examples/stratified_thermal_storage/investment_independent_facade.py
@@ -42,7 +42,7 @@ def invest_independent_facade_example():
     # Set up an energy system model
     solver = "cbc"
     periods = 100
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
     demand_timeseries = np.zeros(periods)
     demand_timeseries[-5:] = 1
     heat_feedin_timeseries = np.zeros(periods)
diff --git a/examples/stratified_thermal_storage/investment_independent_generic_storage.py b/examples/stratified_thermal_storage/investment_independent_generic_storage.py
index 467883b9..a6f8f2e8 100644
--- a/examples/stratified_thermal_storage/investment_independent_generic_storage.py
+++ b/examples/stratified_thermal_storage/investment_independent_generic_storage.py
@@ -75,7 +75,7 @@ def print_parameters():
     # Set up an energy system model
     solver = "cbc"
     periods = 100
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
     demand_timeseries = np.zeros(periods)
     demand_timeseries[-5:] = 1
     heat_feedin_timeseries = np.zeros(periods)
diff --git a/examples/stratified_thermal_storage/model_validation.py b/examples/stratified_thermal_storage/model_validation.py
index 476da7b8..1c34c60a 100644
--- a/examples/stratified_thermal_storage/model_validation.py
+++ b/examples/stratified_thermal_storage/model_validation.py
@@ -46,7 +46,7 @@ def run_storage_model(initial_storage_level, temp_h, temp_c):
 
         # Set up an energy system model
         periods = 10
-        datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+        datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
         demand_timeseries = np.zeros(periods)
         heat_feedin_timeseries = np.zeros(periods)
 
diff --git a/examples/stratified_thermal_storage/operation_facade.py b/examples/stratified_thermal_storage/operation_facade.py
index e3c55e43..7e50f9ef 100644
--- a/examples/stratified_thermal_storage/operation_facade.py
+++ b/examples/stratified_thermal_storage/operation_facade.py
@@ -58,7 +58,7 @@ def print_parameters():
 
     # Set up an energy system model
     periods = 100
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
     demand_timeseries = np.zeros(periods)
     demand_timeseries[-5:] = 1
     heat_feedin_timeseries = np.zeros(periods)
diff --git a/examples/stratified_thermal_storage/operation_generic_storage.py b/examples/stratified_thermal_storage/operation_generic_storage.py
index 3a8c986b..42696541 100644
--- a/examples/stratified_thermal_storage/operation_generic_storage.py
+++ b/examples/stratified_thermal_storage/operation_generic_storage.py
@@ -87,7 +87,7 @@ def print_parameters():
     # Set up an energy system model
     solver = "cbc"
     periods = 100
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
     demand_timeseries = np.zeros(periods)
     demand_timeseries[-5:] = 1
     heat_feedin_timeseries = np.zeros(periods)
diff --git a/examples/stratified_thermal_storage/plots.py b/examples/stratified_thermal_storage/plots.py
index 99ac2673..51f865b1 100644
--- a/examples/stratified_thermal_storage/plots.py
+++ b/examples/stratified_thermal_storage/plots.py
@@ -85,7 +85,7 @@ def print_results():
     # Set up an energy system model
     solver = "cbc"
     periods = 800
-    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="H")
+    datetimeindex = pd.date_range("1/1/2019", periods=periods, freq="h")
 
     energysystem = EnergySystem(timeindex=datetimeindex)
 
diff --git a/pyproject.toml b/pyproject.toml
index 1dc9ac71..f907aba7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ requires-python = ">=3.9"
 dependencies = [
     'oemof.solph',
     'matplotlib',
-    'pvlib <= 0.9.0',
+    'pvlib',
     'numpy >= 1.16.5',
     'pandas >= 0.18.0'
 ]
diff --git a/src/oemof/thermal/concentrating_solar_power.py b/src/oemof/thermal/concentrating_solar_power.py
index c9b1ad94..099762a2 100644
--- a/src/oemof/thermal/concentrating_solar_power.py
+++ b/src/oemof/thermal/concentrating_solar_power.py
@@ -282,9 +282,15 @@ def calc_irradiance(
 
     """
     if irradiance_method == "horizontal":
-        poa_horizontal_ratio = pvlib.irradiance.poa_horizontal_ratio(
+        cos_poa_zen = pvlib.irradiance.aoi_projection(
             surface_tilt, surface_azimuth, apparent_zenith, azimuth
         )
+
+        cos_solar_zenith = pvlib.tools.cosd(apparent_zenith)
+
+        # ratio of tilted and horizontal beam irradiance
+        poa_horizontal_ratio = cos_poa_zen / cos_solar_zenith
+
         poa_horizontal_ratio[poa_horizontal_ratio < 0] = 0
         irradiance_on_collector = irradiance * poa_horizontal_ratio
 
diff --git a/tests/test_constraints.py b/tests/test_constraints.py
index fa7b7ba2..861a8e9c 100644
--- a/tests/test_constraints.py
+++ b/tests/test_constraints.py
@@ -83,7 +83,7 @@ def setup_class(cls):
             r"^objective.*(?=s\.t\.)", re.DOTALL | re.MULTILINE
         )
 
-        cls.date_time_index = pd.date_range("1/1/2012", periods=3, freq="H")
+        cls.date_time_index = pd.date_range("1/1/2012", periods=3, freq="h")
 
         cls.tmpdir = helpers.extend_basic_path("tmp")
         logging.info(cls.tmpdir)

From 172ff23d8464dc55453b2bcd7668794b1d250f66 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrik=20Sch=C3=B6nfeldt?= <patrik@proxima.snft.de>
Date: Fri, 13 Dec 2024 10:31:08 +0100
Subject: [PATCH 2/3] Add v0.0.8 whatsnew

---
 docs/whats_new.rst        |  1 +
 docs/whats_new/v0-0-7.rst | 22 ++--------------------
 docs/whats_new/v0-0-8.rst | 13 +++++++++++++
 3 files changed, 16 insertions(+), 20 deletions(-)
 create mode 100644 docs/whats_new/v0-0-8.rst

diff --git a/docs/whats_new.rst b/docs/whats_new.rst
index bb8882ed..16839115 100644
--- a/docs/whats_new.rst
+++ b/docs/whats_new.rst
@@ -8,6 +8,7 @@ Discover noteable new features and improvements in each release.
     :local:
     :backlinks: top
 
+.. include::  whats_new/v0-0-8.rst
 .. include::  whats_new/v0-0-7.rst
 .. include::  whats_new/v0-0-6.rst
 .. include::  whats_new/v0-0-5.rst
diff --git a/docs/whats_new/v0-0-7.rst b/docs/whats_new/v0-0-7.rst
index 9f474fe0..c28199c4 100644
--- a/docs/whats_new/v0-0-7.rst
+++ b/docs/whats_new/v0-0-7.rst
@@ -1,17 +1,5 @@
-v0.0.7.dev (???)
-================
-
-API Changes
------------
-
-New features
-------------
-
-New components/constraints
---------------------------
-
-Documentation
--------------
+v0.0.7 (November 27, 2024)
+==========================
 
 Bug fixes
 ---------
@@ -19,12 +7,6 @@ Bug fixes
 * Improve quality of pip package
 
 
-Known issues
-------------
-
-Other changes
--------------
-
 Contributors
 ------------
 
diff --git a/docs/whats_new/v0-0-8.rst b/docs/whats_new/v0-0-8.rst
new file mode 100644
index 00000000..39017063
--- /dev/null
+++ b/docs/whats_new/v0-0-8.rst
@@ -0,0 +1,13 @@
+v0.0.8 (December 13, 2024)
+==========================
+
+Other changes
+-------------
+
+* Make compatible to Pandas 2
+* Make compatible to PVLib 0.11
+
+Contributors
+------------
+
+* Patrik Schönfeldt

From d32252801acd1d18d18ca4293db53427f429b7eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrik=20Sch=C3=B6nfeldt?= <patrik@proxima.snft.de>
Date: Fri, 13 Dec 2024 11:53:16 +0100
Subject: [PATCH 3/3] Release v0.0.8

---
 src/oemof/thermal/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/oemof/thermal/__init__.py b/src/oemof/thermal/__init__.py
index 0f76c415..98f44808 100644
--- a/src/oemof/thermal/__init__.py
+++ b/src/oemof/thermal/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.0.7.dev0"
+__version__ = "0.0.8"
 __project__ = "oemof.thermal"
 
 from . import absorption_heatpumps_and_chillers