diff --git a/Documentation/ProjectFile/prj/processes/process/HEAT_TRANSPORT_BHE/borehole_heat_exchangers/borehole_heat_exchanger/grout/t_heat_capacity.md b/Documentation/ProjectFile/prj/processes/process/HEAT_TRANSPORT_BHE/borehole_heat_exchangers/borehole_heat_exchanger/grout/t_heat_capacity.md
deleted file mode 100644
index ea459fc1ddd98f5cc98ec6e2ef02c09247a93b99..0000000000000000000000000000000000000000
--- a/Documentation/ProjectFile/prj/processes/process/HEAT_TRANSPORT_BHE/borehole_heat_exchangers/borehole_heat_exchanger/grout/t_heat_capacity.md
+++ /dev/null
@@ -1 +0,0 @@
-Here means specific heat capacity of the grout.
diff --git a/Documentation/ProjectFile/prj/processes/process/HEAT_TRANSPORT_BHE/borehole_heat_exchangers/borehole_heat_exchanger/grout/t_specific_heat_capacity.md b/Documentation/ProjectFile/prj/processes/process/HEAT_TRANSPORT_BHE/borehole_heat_exchangers/borehole_heat_exchanger/grout/t_specific_heat_capacity.md
new file mode 100644
index 0000000000000000000000000000000000000000..0d02184cd5a67f792d249e0ab19eec16c26182bd
--- /dev/null
+++ b/Documentation/ProjectFile/prj/processes/process/HEAT_TRANSPORT_BHE/borehole_heat_exchangers/borehole_heat_exchanger/grout/t_specific_heat_capacity.md
@@ -0,0 +1 @@
+Here is the specific heat capacity of the grout.
diff --git a/ProcessLib/HeatTransportBHE/BHE/GroutParameters.cpp b/ProcessLib/HeatTransportBHE/BHE/GroutParameters.cpp
index ad963f429a11740097ba8d23ee80ad6fc09f8a99..3496707d27b7e94445d3eb2a81d995c18a88eff9 100644
--- a/ProcessLib/HeatTransportBHE/BHE/GroutParameters.cpp
+++ b/ProcessLib/HeatTransportBHE/BHE/GroutParameters.cpp
@@ -26,8 +26,8 @@ GroutParameters createGroutParameters(BaseLib::ConfigTree const& config)
//! \ogs_file_param{prj__processes__process__HEAT_TRANSPORT_BHE__borehole_heat_exchangers__borehole_heat_exchanger__grout__porosity}
config.getConfigParameter<double>("porosity");
const auto grout_heat_capacity =
- //! \ogs_file_param{prj__processes__process__HEAT_TRANSPORT_BHE__borehole_heat_exchangers__borehole_heat_exchanger__grout__heat_capacity}
- config.getConfigParameter<double>("heat_capacity");
+ //! \ogs_file_param{prj__processes__process__HEAT_TRANSPORT_BHE__borehole_heat_exchangers__borehole_heat_exchanger__grout__specific_heat_capacity}
+ config.getConfigParameter<double>("specific_heat_capacity");
const auto grout_thermal_conductivity =
//! \ogs_file_param{prj__processes__process__HEAT_TRANSPORT_BHE__borehole_heat_exchangers__borehole_heat_exchanger__grout__thermal_conductivity}
config.getConfigParameter<double>("thermal_conductivity");
diff --git a/Tests/Data/Parabolic/T/3D_2U_BHE/3D_2U_BHE.prj b/Tests/Data/Parabolic/T/3D_2U_BHE/3D_2U_BHE.prj
index 7077997071a35866ba1214ff95fc62365b059484..5c9bc89ffc6b313401ac9be839116f228fe9f2ec 100644
--- a/Tests/Data/Parabolic/T/3D_2U_BHE/3D_2U_BHE.prj
+++ b/Tests/Data/Parabolic/T/3D_2U_BHE/3D_2U_BHE.prj
@@ -26,7 +26,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1141.55</heat_capacity>
+ <specific_heat_capacity>1141.55</specific_heat_capacity>
<thermal_conductivity>1</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/3D_3BHEs_array/3bhes_1U.prj b/Tests/Data/Parabolic/T/3D_3BHEs_array/3bhes_1U.prj
index 7fe4b384dfea58740503c4ccbc7ebf9886148593..fef62dc40b8bb383e677d2b530ff29ac3ed2af5b 100644
--- a/Tests/Data/Parabolic/T/3D_3BHEs_array/3bhes_1U.prj
+++ b/Tests/Data/Parabolic/T/3D_3BHEs_array/3bhes_1U.prj
@@ -33,7 +33,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.806</thermal_conductivity>
</grout>
<pipes>
@@ -73,7 +73,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.806</thermal_conductivity>
</grout>
<pipes>
@@ -113,7 +113,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.806</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/3D_BHE_GW_advection/BHE_GW_advection.prj b/Tests/Data/Parabolic/T/3D_BHE_GW_advection/BHE_GW_advection.prj
index 20684422a5f1ad1cebda06eabc0091561705dd14..0298550c79815a910a63b9d6a8f042893818b86f 100644
--- a/Tests/Data/Parabolic/T/3D_BHE_GW_advection/BHE_GW_advection.prj
+++ b/Tests/Data/Parabolic/T/3D_BHE_GW_advection/BHE_GW_advection.prj
@@ -31,7 +31,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.73</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/3D_Beier_sandbox/beier_sandbox.prj b/Tests/Data/Parabolic/T/3D_Beier_sandbox/beier_sandbox.prj
index 9d376a41eb365ab8aa2c61008296d26458695a9a..3fb9cf2d1cc6adaa4875b519774af66df11cad2c 100644
--- a/Tests/Data/Parabolic/T/3D_Beier_sandbox/beier_sandbox.prj
+++ b/Tests/Data/Parabolic/T/3D_Beier_sandbox/beier_sandbox.prj
@@ -26,7 +26,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.806</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/3D_Beier_sandbox/fixed_power_constant_flow.prj b/Tests/Data/Parabolic/T/3D_Beier_sandbox/fixed_power_constant_flow.prj
index 66c60ea3d51cde220e41187b64cbf55f7b1637b3..a330e459dfdf5f883b4ac85bfcea13a3224fb816 100644
--- a/Tests/Data/Parabolic/T/3D_Beier_sandbox/fixed_power_constant_flow.prj
+++ b/Tests/Data/Parabolic/T/3D_Beier_sandbox/fixed_power_constant_flow.prj
@@ -26,7 +26,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.806</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXA.prj b/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXA.prj
index cf3fd3d3751b574bddd690e4050f72178bdd309e..46e7bd4b557c442ad5d28ffc63cc46b5c1db2778 100644
--- a/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXA.prj
+++ b/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXA.prj
@@ -26,7 +26,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.73</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXC.prj b/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXC.prj
index cc00583d6985e91ab4271d8f155a0d3d21c06da7..2954a4a8cc5fdb4444c060c6865f6547a5a15d83 100644
--- a/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXC.prj
+++ b/Tests/Data/Parabolic/T/3D_deep_BHE/3D_deep_BHE_CXC.prj
@@ -26,7 +26,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.73</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/BHE_1P/BHE_1P.prj b/Tests/Data/Parabolic/T/BHE_1P/BHE_1P.prj
index 7c7a5b60205fe1ff6e437e4f8a5161634564b219..5f0776157f84a5928357c261ecd0cef0174d9fc0 100644
--- a/Tests/Data/Parabolic/T/BHE_1P/BHE_1P.prj
+++ b/Tests/Data/Parabolic/T/BHE_1P/BHE_1P.prj
@@ -26,7 +26,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.73</thermal_conductivity>
</grout>
<pipes>
diff --git a/Tests/Data/Parabolic/T/BHE_1P/BHE_1P_newton.prj b/Tests/Data/Parabolic/T/BHE_1P/BHE_1P_newton.prj
index f46b30707a075810f465afc96be4e4b21d8ee738..caf7882f24c77693a8a917e3e6e019c3e865a172 100644
--- a/Tests/Data/Parabolic/T/BHE_1P/BHE_1P_newton.prj
+++ b/Tests/Data/Parabolic/T/BHE_1P/BHE_1P_newton.prj
@@ -29,7 +29,7 @@
<grout>
<density>2190.0</density>
<porosity>0.0</porosity>
- <heat_capacity>1735.160</heat_capacity>
+ <specific_heat_capacity>1735.160</specific_heat_capacity>
<thermal_conductivity>0.73</thermal_conductivity>
</grout>
<pipes>