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extended waste heat from PtX, revised minimum part loads

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This commit is contained in:
Fabian Neumann 2024-01-02 19:45:02 +01:00
parent ce1740b3c0
commit 872c92d1c0
3 changed files with 53 additions and 3 deletions
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10
config/config.default.yaml
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@ -480,11 +480,15 @@ sector:
- nearshore # within 50 km of sea
# - offshore
ammonia: false
min_part_load_fischer_tropsch: 0.9
min_part_load_methanolisation: 0.5
min_part_load_fischer_tropsch: 0.7
min_part_load_methanolisation: 0.3
min_part_load_methanation: 0.3
use_fischer_tropsch_waste_heat: true
use_haber_bosch_waste_heat: true
use_methanolisation_waste_heat: true
use_methanation_waste_heat: true
use_fuel_cell_waste_heat: true
use_electrolysis_waste_heat: false
use_electrolysis_waste_heat: true
electricity_distribution_grid: true
electricity_distribution_grid_cost_factor: 1.0
electricity_grid_connection: true

8
doc/release_notes.rst
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@ -44,6 +44,14 @@ Upcoming Release
network has been moved from ``focus_weights:`` to ``clustering:
focus_weights:``. Backwards compatibility to old config files is maintained.
* Extend options for waste usage from Haber-Bosch, methanolisation and methanation.
* Use electrolysis waste heat by default.
* Add new ``sector_opts`` wildcard option "nowasteheat" to disable all waste heat usage.
* Set minimum part loads for PtX processes to 30% for methanolisation and methanation, and to 70% for Fischer-Tropsch synthesis.
* Add VOM as marginal cost to PtX processes.
* The ``mock_snakemake`` function can now be used with a Snakefile from a different directory using the new ``root_dir`` argument.

38
scripts/prepare_sector_network.py
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@ -1345,6 +1345,7 @@ def add_storage_and_grids(n, costs):
bus2=spatial.co2.nodes,
p_nom_extendable=True,
carrier="Sabatier",
p_min_pu=options.get("min_part_load_methanation", 0),
efficiency=costs.at["methanation", "efficiency"],
efficiency2=-costs.at["methanation", "efficiency"]
* costs.at["gas", "CO2 intensity"],
@ -2982,6 +2983,34 @@ def add_waste_heat(n):
0.95 - n.links.loc[urban_central + " Fischer-Tropsch", "efficiency"]
)
if options["use_methanation_waste_heat"]:
n.links.loc[urban_central + " Sabatier", "bus3"] = (
urban_central + " urban central heat"
)
n.links.loc[urban_central + " Sabatier", "efficiency3"] = (
0.95 - n.links.loc[urban_central + " Sabatier", "efficiency"]
)
# DEA quotes 15% of total input (11% of which are high-value heat)
if options["use_haber_bosch_waste_heat"]:
n.links.loc[urban_central + " Haber-Bosch", "bus3"] = (
urban_central + " urban central heat"
)
total_energy_input = (cf_industry["MWh_H2_per_tNH3_electrolysis"] + cf_industry["MWh_elec_per_tNH3_electrolysis"]) / cf_industry["MWh_NH3_per_tNH3"]
electricity_input = cf_industry["MWh_elec_per_tNH3_electrolysis"] / cf_industry["MWh_NH3_per_tNH3"]
n.links.loc[urban_central + " Haber-Bosch", "efficiency3"] = (
0.15 * total_energy_input / electricity_input
)
if options["use_methanolisation_waste_heat"]:
n.links.loc[urban_central + " methanolisation", "bus4"] = (
urban_central + " urban central heat"
)
n.links.loc[urban_central + " methanolisation", "efficiency4"] = (
costs.at["methanolisation", "heat-output"]
/ costs.at["methanolisation", "hydrogen-input"]
)
# TODO integrate usable waste heat efficiency into technology-data from DEA
if options.get("use_electrolysis_waste_heat", False):
n.links.loc[urban_central + " H2 Electrolysis", "bus2"] = (
@ -3426,6 +3455,15 @@ if __name__ == "__main__":
if "nodistrict" in opts:
options["district_heating"]["progress"] = 0.0
if "nowasteheat" in opts:
logger.info("Disabling waste heat.")
options["use_fischer_tropsch_waste_heat"] = False
options["use_methanolisation_waste_heat"] = False
options["use_haber_bosch_waste_heat"] = False
options["use_methanation_waste_heat"] = False
options["use_fuel_cell_waste_heat"] = False
options["use_electrolysis_waste_heat"] = False
if "T" in opts:
add_land_transport(n, costs)