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Weight offshore connection costs with aggregation weight

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Rather than taking a mean of the clustered connection costs.

Apply cost update also for overnight scenarios based on planning year.

Add land costs for onshore wind.
This commit is contained in:
Tom Brown 2020-08-19 12:41:17 +02:00
parent 35e1d4b03b
commit 6444f7fde9
8 changed files with 37 additions and 34 deletions
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@ -22,9 +22,9 @@ rule all:
rule solve_all_elec_networks:
rule solve_all_networks:
input:
expand(config['results_dir'] + config['run'] + "/postnetworks/elec_s{simpl}_{clusters}_lv{lv}_{opts}_{sector_opts}.nc",
expand(config['results_dir'] + config['run'] + "/postnetworks/elec_s{simpl}_{clusters}_lv{lv}_{opts}_{sector_opts}_{co2_budget_name}_{planning_horizons}.nc",
**config['scenario'])
rule test_script:
@ -34,7 +34,7 @@ rule test_script:
rule prepare_sector_networks:
input:
expand(config['results_dir'] + config['run'] + "/prenetworks/elec_s{simpl}_{clusters}_lv{lv}_{opts}_{sector_opts}.nc",
expand(config['results_dir'] + config['run'] + "/prenetworks/elec_s{simpl}_{clusters}_lv{lv}_{opts}_{sector_opts}_{co2_budget_name}_{planning_horizons}.nc",
**config['scenario'])

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doc/index.rst Executable file → Normal file
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doc/installation.rst Executable file → Normal file
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doc/myopic.rst Executable file → Normal file
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scripts/add_brownfield.py Executable file → Normal file
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scripts/add_existing_baseyear.py Executable file → Normal file
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65
scripts/prepare_sector_network.py
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@ -50,6 +50,7 @@ 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
@ -57,6 +58,14 @@ def update_wind_solar_costs(n,costs):
"""
#NB: solar costs are also manipulated for rooftop
#when distribution grid is inserted
n.generators.loc[n.generators.carrier=='solar','capital_cost'] = costs.at['solar-utility', 'fixed']
n.generators.loc[n.generators.carrier=='onwind','capital_cost'] = costs.at['onwind', 'fixed'] + costs.at['onwind-landcosts', 'fixed']
#for offshore wind, need to calculated connection costs
#assign clustered bus
#map initial network -> simplified network
busmap_s = pd.read_hdf(snakemake.input.clustermaps,
@ -66,39 +75,32 @@ def update_wind_solar_costs(n,costs):
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()
#code adapted from pypsa-eur/scripts/add_electricity.py
for connection in ['dc','ac']:
tech = "offwind-" + connection
profile = snakemake.input['profile_offwind_' + connection]
with xr.open_dataset(profile) as ds:
underwater_fraction = ds['underwater_fraction'].to_pandas()
connection_cost = (snakemake.config['costs']['lines']['length_factor'] *
ds['average_distance'].to_pandas() *
(underwater_fraction *
costs.at[tech + '-connection-submarine', 'fixed'] +
(1. - underwater_fraction) *
costs.at[tech + '-connection-underground', 'fixed']))
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()
#convert to aggregated clusters with weighting
weight = ds['weight'].to_pandas()
connection_cost = (connection_cost*weight).groupby(clustermaps).sum()/weight.groupby(clustermaps).sum()
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]
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))
n.generators.loc[n.generators.carrier==tech,'capital_cost'] = capital_cost.rename(index=lambda node: node + ' ' + tech)
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):
"""
@ -1733,9 +1735,10 @@ if __name__ == "__main__":
n.buses["location"] = n.buses.index
update_wind_solar_costs(n, costs)
if snakemake.config["foresight"]=='myopic':
add_lifetime_wind_solar(n)
update_wind_solar_costs(n, costs)
add_carrier_buses(n,snakemake.config['existing_capacities']['conventional_carriers'])
add_co2_tracking(n)

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