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fixed cost calculation for EGS

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This commit is contained in:
LukasFrankenQ 2023-11-14 03:20:58 +00:00
parent c1f44ea86f
commit 4569af2647
1 changed files with 17 additions and 6 deletions
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23
scripts/prepare_sector_network.py
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@ -3334,13 +3334,24 @@ def add_enhanced_geothermal(
egs_annuity = calculate_annuity(lt, dr)
# under egs optimism, the expected cost reductions also cover costs for ORC
# hence, the ORC costs are no longer taken from technology-data
orc_capex = (
costs.at["organic rankine cycle", "investment"]
if not snakemake.params.sector["enhanced_geothermal_optimism"]
else 0.
)
# cost for ORC is subtracted, as it is already included in the geothermal cost.
# The orc cost are attributed to a separate link representing the ORC.
# also capital_cost conversion Euro/kW -> Euro/MW
egs_potentials["capital_cost"] = (
(egs_annuity + FOM / (1.0 + FOM))
* (egs_potentials["CAPEX"] * 1000. - costs.at["organic rankine cycle", "investment"])
* (egs_potentials["CAPEX"] * 1000. - orc_capex)
* Nyears
)
assert (
egs_potentials["capital_cost"] > 0
).all(), "Error in EGS cost, negative values found."
@ -3348,7 +3359,7 @@ def add_enhanced_geothermal(
plant_annuity = calculate_annuity(costs.at["organic rankine cycle", "lifetime"], dr)
plant_capital_cost = (
(plant_annuity + FOM / (1 + FOM))
* costs.at["organic rankine cycle", "investment"]
* orc_capex
* Nyears
)
@ -3356,9 +3367,7 @@ def add_enhanced_geothermal(
efficiency_dh = costs.at["geothermal", "efficiency residential heat"]
# p_nom_max conversion GW -> MW
# capital_cost conversion Euro/kW -> Euro/MW
egs_potentials["p_nom_max"] = egs_potentials["p_nom_max"] * 1000.0
egs_potentials["capital_cost"] = egs_potentials["capital_cost"] * 1000.0
# not using add_carrier_buses, as we are not interested in a Store
n.add("Carrier", "geothermal heat")
@ -3388,7 +3397,8 @@ def add_enhanced_geothermal(
efficiency = pd.Series(1, overlap.index)
# if urban central heat exists, adds geothermal as CHP
as_chp = "urban central heat" in n.buses.carrier
as_chp = "urban central heat" in n.loads.carrier.unique()
if as_chp:
logger.info("Adding Enhanced Geothermal as Combined Heat and Power.")
@ -3441,7 +3451,7 @@ def add_enhanced_geothermal(
carrier="geothermal heat",
p_nom_extendable=True,
p_nom_max=p_nom_max.set_axis(well_name) / efficiency_orc,
capital_cost=capital_cost.set_axis(well_name),
capital_cost=capital_cost.set_axis(well_name) * efficiency_orc,
efficiency=bus_eta,
)
@ -3492,6 +3502,7 @@ def add_enhanced_geothermal(
p_min_pu=-1.0 - boost,
max_hours=max_hours,
)
n.links.to_csv('links.csv')
if __name__ == "__main__":