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Update cost for wind and solar, including the AC and DC connection costs for offshore.

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In order to calculate connection costs, average values for underground_fraction and average_distance are calculated for all the buses in the initial network mapped to the clustered network.
This commit is contained in:
martavp 2020-08-12 11:08:09 +02:00
parent 9012125585
commit 18ff256811
3 changed files with 58 additions and 1 deletions
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3
Snakefile Normal file → Executable file
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@ -187,6 +187,9 @@ rule prepare_sector_network:
heat_profile="data/heat_load_profile_BDEW.csv",
costs=config['costs_dir'] + "costs_{planning_horizons}.csv", #"data/costs.csv"
co2_budget="data/co2_budget.csv",
profile_offwind_ac=pypsaeur("resources/profile_offwind-ac.nc"),
profile_offwind_dc=pypsaeur("resources/profile_offwind-dc.nc"),
clustermaps=pypsaeur('resources/clustermaps_{network}_s{simpl}_{clusters}.h5'),
clustered_pop_layout="resources/pop_layout_{network}_s{simpl}_{clusters}.csv",
industrial_demand="resources/industrial_demand_{network}_s{simpl}_{clusters}.csv",
heat_demand_urban="resources/heat_demand_urban_{network}_s{simpl}_{clusters}.nc",

2
config.default.yaml Normal file → Executable file
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@ -117,6 +117,8 @@ costs:
emission_prices: # only used with the option Ep (emission prices)
co2: 0.
lines:
length_factor: 1.25 #to estimate offwind connection costs
solving:

54
scripts/prepare_sector_network.py
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@ -50,7 +50,56 @@ def add_lifetime_wind_solar(n):
carrier_name='offwind' if carrier in ['offwind-dc', 'offwind-ac'] else carrier
n.generators.loc[[index for index in n.generators.index.to_list()
if carrier in index], 'lifetime']=costs.at[carrier_name,'lifetime']
def update_wind_solar_costs(n,costs):
"""
Update costs for wind and solar generators added with pypsa-eur to those
cost in the planning year
"""
#assign clustered bus
#map initial network -> simplified network
busmap_s = pd.read_hdf(snakemake.input.clustermaps,
key="/busmap_s")
#map simplified network -> clustered network
busmap = pd.read_hdf(snakemake.input.clustermaps,
key="/busmap")
clustermaps = busmap_s.map(busmap)
for tech in ['solar', 'onwind', 'offwind-dc', 'offwind-ac']:
suptech = tech.split('-', 2)[0]
if suptech == 'offwind':
profile = snakemake.input.profile_offwind_dc if tech=='offwind-dc' else snakemake.input.profile_offwind_ac
with xr.open_dataset(profile) as ds:
underwater_fraction = ds['underwater_fraction'].to_pandas().to_frame()
underwater_fraction["cluster_bus"] = underwater_fraction.index.map(clustermaps)
u_f = underwater_fraction.groupby("cluster_bus").mean()
average_distance = ds['average_distance'].to_pandas().to_frame()
average_distance["cluster_bus"] = average_distance.index.map(clustermaps)
a_d = average_distance.groupby("cluster_bus").mean()
connection_cost = (snakemake.config['costs']['lines']['length_factor'] *
a_d*
(u_f *
costs.at[tech + '-connection-submarine', 'fixed'] +
(1. - u_f) *
costs.at[tech + '-connection-underground', 'fixed']))
capital_cost = (costs.at['offwind', 'fixed'] +
costs.at[tech + '-station', 'fixed'] +
connection_cost)
logger.info("Added connection cost of {:0.0f}-{:0.0f} Eur/MW/a to {}"
.format(connection_cost[0].min(), connection_cost[0].max(), tech))
capital_cost.rename(index=lambda node: node + ' ' + tech, inplace=True)
n.generators.loc[n.generators.index[n.generators.carrier==tech],'capital_cost']=capital_cost[0]
elif suptech == 'solar':
capital_cost = costs.at['solar-utility', 'fixed']
n.generators.loc[n.generators.index[n.generators.carrier==tech],'capital_cost']=capital_cost
else:
capital_cost = costs.at['onwind', 'fixed']
n.generators.loc[n.generators.index[n.generators.carrier==tech],'capital_cost']=capital_cost
def add_carrier_buses(n, carriers):
"""
Add buses to connect e.g. coal, nuclear and oil plants
@ -1632,8 +1681,10 @@ if __name__ == "__main__":
timezone_mappings='pypsa-eur-sec/data/timezone_mappings.csv',
co2_budget='pypsa-eur-sec/data/co2_budget.csv',
clustered_pop_layout='pypsa-eur-sec/resources/pop_layout_{network}_s{simpl}_{clusters}.csv',
#costs='pypsa-eur-sec/data/costs.csv',
costs='pypsa-eur-sec/data/costs/costs_{planning_horizons}.csv',
profile_offwind_ac='pypsa-eur/resources/profile_offwind-ac.nc',
profile_offwind_dc='pypsa-eur/resources/profile_offwind-dc.nc',
clustermaps="pypsa-eur/resources/clustermaps_{network}_s{simpl}_{clusters}.h5",
cop_air_total='pypsa-eur-sec/resources/cop_air_total_{network}_s{simpl}_{clusters}.nc',
cop_soil_total='pypsa-eur-sec/resources/cop_soil_total_{network}_s{simpl}_{clusters}.nc',
solar_thermal_total='pypsa-eur-sec/resources/solar_thermal_total_{network}_s{simpl}_{clusters}.nc',
@ -1684,6 +1735,7 @@ if __name__ == "__main__":
if snakemake.config["foresight"]=='myopic':
add_lifetime_wind_solar(n)
update_wind_solar_costs(n, costs)
add_carrier_buses(n,['lignite', 'coal', 'oil', 'uranium'])
add_co2_tracking(n)