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new fuel type to efficiency mapped

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Khalim Conn-Kowlessar 2024-10-02 14:05:04 +01:00
parent 97dfa3e572
commit 9beb8b7a24
1 changed files with 16 additions and 14 deletions
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backend/app/assumptions.py
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@ -1,7 +1,7 @@
# Assumes that the average efficiency of an air source heat pump is 250%, taking the median of the 200-400% range, # Assumes that the average efficiency of an air source heat pump is 250%, taking the median of the 200-400% range,
# which is often quoted as a sensible efficiency range for air source heat pumps. # which is often quoted as a sensible efficiency range for air source heat pumps.
PESSIMISTIC_ASHP_EFFICIENCY = 200 PESSIMISTIC_ASHP_EFFICIENCY = 200
AVERAGE_ASHP_EFFICIENCY = 300 AVERAGE_ASHP_EFFICIENCY = 250
# Conservative estimate of the proportion of electricity that will be consumed, whereas the rest will # Conservative estimate of the proportion of electricity that will be consumed, whereas the rest will
# be exported # be exported
@ -11,34 +11,36 @@ DESCRIPTIONS_TO_FUEL_TYPES = {
"Air source heat pump, radiators, electric": { "Air source heat pump, radiators, electric": {
"fuel": "Electricity", "cop": AVERAGE_ASHP_EFFICIENCY / 100 "fuel": "Electricity", "cop": AVERAGE_ASHP_EFFICIENCY / 100
}, },
"Boiler and radiators, mains gas": {"fuel": 'Natural Gas', "cop": 0.9}, "Boiler and radiators, mains gas": {"fuel": 'Natural Gas', "cop": 0.85},
'Electric storage heaters': {"fuel": 'Electricity', "cop": 1}, 'Electric storage heaters': {"fuel": 'Electricity', "cop": 1},
"Electric immersion, off-peak": {"fuel": 'Electricity', "cop": 1}, "Electric immersion, off-peak": {"fuel": 'Electricity', "cop": 1},
"Electric storage heaters, radiators": {"fuel": 'Electricity', "cop": 1}, "Electric storage heaters, radiators": {"fuel": 'Electricity', "cop": 1},
"Room heaters, electric": {"fuel": 'Electricity', "cop": 1}, "Room heaters, electric": {"fuel": 'Electricity', "cop": 1},
"Electric immersion, standard tariff": {"fuel": 'Electricity', "cop": 1}, "Electric immersion, standard tariff": {"fuel": 'Electricity', "cop": 1},
"Portable electric heaters assumed for most rooms": {"fuel": 'Electricity', "cop": 1}, "Portable electric heaters assumed for most rooms": {"fuel": 'Electricity', "cop": 1},
"Boiler and radiators, LPG": {"fuel": 'LPG', "cop": 0.9}, "Boiler and radiators, LPG": {"fuel": 'LPG', "cop": 0.85},
"Room heaters, dual fuel (mineral and wood)": {"fuel": 'Wood Logs', "cop": 1}, "Room heaters, dual fuel (mineral and wood)": {"fuel": 'Wood Logs', "cop": 1},
"Room heaters, mains gas": {"fuel": 'Natural Gas', "cop": 0.9}, "Room heaters, mains gas": {"fuel": 'Natural Gas', "cop": 0.85},
"Warm air, mains gas": {"fuel": 'Natural Gas', "cop": 0.9}, "Warm air, mains gas": {"fuel": 'Natural Gas', "cop": 0.85},
"Boiler, mains gas": {"fuel": 'Natural Gas', "cop": 0.9}, "Boiler, mains gas": {"fuel": 'Natural Gas', "cop": 0.85},
"Gas multipoint": {"fuel": "Natural Gas", "cop": 0.9}, "Gas multipoint": {"fuel": "Natural Gas", "cop": 0.85},
"Warm air, Electricaire": {"fuel": "Electricity", "cop": 1}, "Warm air, Electricaire": {"fuel": "Electricity", "cop": 1},
"Gas boiler/circulator": {"fuel": "Natural Gas", "cop": 0.9}, "Gas boiler/circulator": {"fuel": "Natural Gas", "cop": 0.85},
"Boiler and underfloor heating, mains gas": {"fuel": "Natural Gas", "cop": 0.9}, "Boiler and underfloor heating, mains gas": {"fuel": "Natural Gas", "cop": 0.85},
"No system present: electric heaters assumed": {"fuel": "Electricity", "cop": 1}, "No system present: electric heaters assumed": {"fuel": "Electricity", "cop": 1},
"Electric instantaneous at point of use": {"fuel": "Electricity", "cop": 1}, "Electric instantaneous at point of use": {"fuel": "Electricity", "cop": 1},
"Boiler and radiators, oil": {"fuel": "Oil", "cop": 0.9}, "Boiler and radiators, oil": {"fuel": "Oil", "cop": 0.85},
"Electric storage heaters, Electric storage heaters": {"fuel": "Electricity", "cop": 1}, "Electric storage heaters, Electric storage heaters": {"fuel": "Electricity", "cop": 1},
"Boiler and radiators, electric": {"fuel": "Electricity", "cop": 0.9}, "Boiler and radiators, electric": {"fuel": "Electricity", "cop": 0.85},
"Gas boiler/circulator, no cylinder thermostat": {"fuel": "Natural Gas", "cop": 0.9}, "Gas boiler/circulator, no cylinder thermostat": {"fuel": "Natural Gas", "cop": 0.85},
"Boiler and radiators, dual fuel (mineral and wood)": {"fuel": "Wood Logs", "cop": 0.9}, "Boiler and radiators, dual fuel (mineral and wood)": {"fuel": "Wood Logs", "cop": 0.85},
"Electric immersion, standard tariff, plus solar": {"fuel": "Electricity + Solar Thermal", "cop": 1}, "Electric immersion, standard tariff, plus solar": {"fuel": "Electricity + Solar Thermal", "cop": 1},
"From main system, flue gas heat recovery": {"fuel": "Natural Gas", "cop": 0.9}, "From main system, flue gas heat recovery": {"fuel": "Natural Gas", "cop": 0.85},
"Electric underfloor heating": {"fuel": "Electricity", "cop": 1}, "Electric underfloor heating": {"fuel": "Electricity", "cop": 1},
"No system present: electric immersion assumed": {"fuel": "Electricity", "cop": 1}, "No system present: electric immersion assumed": {"fuel": "Electricity", "cop": 1},
"Air source heat pump, underfloor, electric": { "Air source heat pump, underfloor, electric": {
"fuel": "Electricity", "cop": AVERAGE_ASHP_EFFICIENCY / 100 "fuel": "Electricity", "cop": AVERAGE_ASHP_EFFICIENCY / 100
}, },
"Gas instantaneous at point of use": {"fuel": "Natural Gas", "cop": 0.85},
"Room heaters, wood logs": {"fuel": "Wood Logs", "cop": 1},
} }