floating offshore wind - minimal representation

Snakefile

@@ -181,7 +181,7 @@ rule build_renewable_profiles:
         corine="data/bundle/corine/g250_clc06_V18_5.tif",
         natura="resources/natura.tiff",
         gebco=lambda w: ("data/bundle/GEBCO_2014_2D.nc"
-                         if "max_depth" in config["renewable"][w.technology].keys()
+                         if any(key in ["max_depth", "min_depth"] for key in config["renewable"][w.technology].keys())
                          else []),
         country_shapes='resources/country_shapes.geojson',
         offshore_shapes='resources/offshore_shapes.geojson',

config.default.yaml

@@ -139,6 +139,23 @@ renewable:
     min_shore_distance: 30000
     potential: simple # or conservative
     clip_p_max_pu: 1.e-2
+  offwind-float:
+    cutout: europe-2013-era5
+    resource:
+      method: wind
+      turbine: NREL_ReferenceTurbine_5MW_offshore
+    # ScholzPhd Tab 4.3.1: 10MW/km^2
+    capacity_per_sqkm: 2
+    correction_factor: 0.8855
+    # proxy for wake losses
+    # from 10.1016/j.energy.2018.08.153
+    # until done more rigorously in #153
+    corine: [44, 255]
+    natura: true
+    min_depth: 50
+    max_depth: 500
+    potential: simple # or conservative
+    clip_p_max_pu: 1.e-2
   solar:
     cutout: europe-2013-sarah
     resource:

data/costs.csv

@@ -24,6 +24,9 @@ offwind-ac-connection-underground,2030,investment,1342,EUR/MW/km,DEA https://ens
 offwind-dc-station,2030,investment,400,EUR/kWel,Haertel 2017; assuming one onshore and one offshore node + 13% learning reduction
 offwind-dc-connection-submarine,2030,investment,2000,EUR/MW/km,DTU report based on Fig 34 of https://ec.europa.eu/energy/sites/ener/files/documents/2014_nsog_report.pdf
 offwind-dc-connection-underground,2030,investment,1000,EUR/MW/km,Haertel 2017; average + 13% learning reduction
+offwind-float-station,2030,investment,400,EUR/kWel,Haertel 2017; assuming one onshore and one offshore node + 13% learning reduction
+offwind-float-connection-submarine,2030,investment,2000,EUR/MW/km,DTU report based on Fig 34 of https://ec.europa.eu/energy/sites/ener/files/documents/2014_nsog_report.pdf
+offwind-float-connection-underground,2030,investment,1000,EUR/MW/km,Haertel 2017; average + 13% learning reduction
 solar,2030,investment,600,EUR/kWel,DIW DataDoc http://hdl.handle.net/10419/80348
 biomass,2030,investment,2209,EUR/kWel,DIW DataDoc http://hdl.handle.net/10419/80348
 geothermal,2030,investment,3392,EUR/kWel,DIW DataDoc http://hdl.handle.net/10419/80348

scripts/build_renewable_profiles.py

@@ -31,6 +31,7 @@ Relevant settings
             distance:
             natura:
             max_depth:
+            min_depth:
             max_shore_distance:
             min_shore_distance:
             capacity_per_sqkm:
@@ -242,6 +243,10 @@ if __name__ == '__main__':
         func = functools.partial(np.greater,-config['max_depth'])
         excluder.add_raster(paths.gebco, codes=func, crs=4236, nodata=-1000)
 
+    if "min_depth" in config:
+        func = functools.partial(np.greater,-config['min_depth'])
+        excluder.add_raster(paths.gebco, codes=func, crs=4236, nodata=-1000, invert=True)
+
     if 'min_shore_distance' in config:
         buffer = config['min_shore_distance']
         excluder.add_geometry(paths.country_shapes, buffer=buffer)