diff --git a/.gitignore b/.gitignore
index 7d1f119c..0501c8aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -140,3 +140,4 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+.DS_Store
diff --git a/configs.example/datamodule/configuration/site_example_configuration.yaml b/configs.example/datamodule/configuration/site_example_configuration.yaml
deleted file mode 100644
index 192ef0a6..00000000
--- a/configs.example/datamodule/configuration/site_example_configuration.yaml
+++ /dev/null
@@ -1,125 +0,0 @@
-general:
-  description: Example config for producing PVNet samples for a reneweble generation site
-  name: site_example_config
-
-input_data:
-
-  site:
-    # Path to Site data in NetCDF format
-    file_path: PLACEHOLDER.nc
-    # Path to metadata in CSV format
-    metadata_file_path: PLACEHOLDER.csv
-    time_resolution_minutes: 15
-    interval_start_minutes: -60
-    # Specified for intraday
-    interval_end_minutes: 480
-    dropout_timedeltas_minutes: null
-    dropout_fraction: 0 # Fraction of samples with dropout
-
-  gsp:
-    # Path to GSP data in zarr format
-    # e.g. gs://solar-pv-nowcasting-data/PV/GSP/v7/pv_gsp.zarr
-    zarr_path: PLACEHOLDER.zarr
-    interval_start_minutes: -60
-    # Specified for intraday
-    interval_end_minutes: 480
-    time_resolution_minutes: 30
-    # Random value from the list below will be chosen as the delay when dropout is used
-    # If set to null no dropout is applied. Only values before t0 are dropped out for GSP.
-    # Values after t0 are assumed as targets and cannot be dropped.
-    dropout_timedeltas_minutes: null
-    dropout_fraction: 0 # Fraction of samples with dropout
-
-  nwp:
-
-    ecmwf:
-      provider: ecmwf
-      # Path to ECMWF NWP data in zarr format
-      # n.b. It is not necessary to use multiple or any NWP data. These entries can be removed
-      zarr_path: PLACEHOLDER.zarr
-      interval_start_minutes: -60
-      # Specified for intraday
-      interval_end_minutes: 480
-      time_resolution_minutes: 60
-      channels:
-        - t2m # 2-metre temperature
-        - dswrf # downwards short-wave radiation flux
-        - dlwrf # downwards long-wave radiation flux
-        - hcc # high cloud cover
-        - mcc # medium cloud cover
-        - lcc # low cloud cover
-        - tcc # total cloud cover
-        - sde # snow depth water equivalent
-        - sr # direct solar radiation
-        - duvrs # downwards UV radiation at surface
-        - prate # precipitation rate
-        - u10 # 10-metre U component of wind speed
-        - u100 # 100-metre U component of wind speed
-        - u200 # 200-metre U component of wind speed
-        - v10 # 10-metre V component of wind speed
-        - v100 # 100-metre V component of wind speed
-        - v200 # 200-metre V component of wind speed
-      image_size_pixels_height: 24
-      image_size_pixels_width: 24
-      dropout_timedeltas_minutes: [-360]
-      dropout_fraction: 1.0 # Fraction of samples with dropout
-      max_staleness_minutes: null
-
-    ukv:
-      provider: ukv
-      # Path to UKV NWP data in zarr format
-      # e.g. gs://solar-pv-nowcasting-data/NWP/UK_Met_Office/UKV_intermediate_version_7.zarr
-      # n.b. It is not necessary to use multiple or any NWP data. These entries can be removed
-      zarr_path: PLACEHOLDER.zarr
-      interval_start_minutes: -60
-      # Specified for intraday
-      interval_end_minutes: 480
-      time_resolution_minutes: 60
-      channels:
-        - t # 2-metre temperature
-        - dswrf # downwards short-wave radiation flux
-        - dlwrf # downwards long-wave radiation flux
-        - hcc # high cloud cover
-        - mcc # medium cloud cover
-        - lcc # low cloud cover
-        - sde # snow depth water equivalent
-        - r # relative humidty
-        - vis # visibility
-        - si10 # 10-metre wind speed
-        - wdir10 # 10-metre wind direction
-        - prate # precipitation rate
-        # These variables exist in CEDA training data but not in the live MetOffice live service
-        - hcct # height of convective cloud top, meters above surface. NaN if no clouds
-        - cdcb # height of lowest cloud base > 3 oktas
-        - dpt # dew point temperature
-        - prmsl # mean sea level pressure
-        - h # geometrical? (maybe geopotential?) height
-      image_size_pixels_height: 24
-      image_size_pixels_width: 24
-      dropout_timedeltas_minutes: [-360]
-      dropout_fraction: 1.0 # Fraction of samples with dropout
-      max_staleness_minutes: null
-
-  satellite:
-    # Path to Satellite data (non-HRV) in zarr format
-    # e.g. gs://solar-pv-nowcasting-data/satellite/EUMETSAT/SEVIRI_RSS/v4/2020_nonhrv.zarr
-    zarr_path: PLACEHOLDER.zarr
-    interval_start_minutes: -30
-    interval_end_minutes: 0
-    time_resolution_minutes: 5
-    channels:
-      - IR_016 # Surface, cloud phase
-      - IR_039 # Surface, clouds, wind fields
-      - IR_087 # Surface, clouds, atmospheric instability
-      - IR_097 # Ozone
-      - IR_108 # Surface, clouds, wind fields, atmospheric instability
-      - IR_120 # Surface, clouds, atmospheric instability
-      - IR_134 # Cirrus cloud height, atmospheric instability
-      - VIS006 # Surface, clouds, wind fields
-      - VIS008 # Surface, clouds, wind fields
-      - WV_062 # Water vapor, high level clouds, upper air analysis
-      - WV_073 # Water vapor, atmospheric instability, upper-level dynamics
-    image_size_pixels_height: 24
-    image_size_pixels_width: 24
-    dropout_timedeltas_minutes: null
-    dropout_fraction: 0 # Fraction of samples with dropout