Guide to PAS 2050 How to assess the carbon ... - Aggie Horticulture

Guide to PAS 2050 53
Input Amount Source
No. of packages per tonne croissants 1,000 Retailer interview
kg CO 2
e per tonne croissants 20 Calculation: emissions per package × packages
per tonne croissants
Consumer use
(5a) Storage (freezing)
kWh for freezing 1 package 0.05 Industry association
kg CO 2
e per kWh 0.5 Emission factor database; based on electricity
grid
kg CO 2
e per frozen package 0.025 Calculation: emissions per kWh × kWh per
package frozen
No. of packages per tonne croissants 1,000 Internal data
% of croissants that are frozen 20% Internal survey data
kg CO 2
e per tonne croissants 5 Calculation: emissions per frozen package ×
packages per tonne croissants × % of croissants
that are frozen
(5b) Consumption (heating)
kWh for heating 1 croissant 0.02 Government data
kg CO 2
e per kWh 0.5 Emission factor database; based on electricity
grid
kg CO 2
e per heated croissant 0.01 Calculation: emissions per kWh × kWh per
croissant heated
No. of croissants per package 12 Internal data
No. of packages per tonne croissants 1,000 Internal data
% of croissants that are heated 30% Internal survey data
kg CO 2
e per tonne croissants 36 Calculation: emissions per heated croissant ×
croissants per package × packages per tonne
croissants × % of croissants that are heated
Disposal
(6a) Transport to landfill
average distance (km) 5 Municipal waste interview
kg CO 2
e per km 2 Emission factor database; based on vehicle type
kg CO 2
e per outbound journey 10 Calculation: emissions per km × km per journey