Part of Sustainability Annual Report 2020-21

Annex 3 - Hybrid working methodology assumptions

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	Scenario 1 tCO2e per year	Assumptions	Scenario 2 tCO2e per year	Assumptions	Scenario 3 tCO2e per year	Assumptions
Building energy	1,083	Keep remaining estate as is	829	Remove one building and a third of total floor space of another	774	Remove one building and two halves of two other buildings
Domestic energy	597	17.1% number of remote working days	1,491	42.7% number of remote working days	1,882	53.9% number of remote working days
Commuting	2,065	Modal split (all commuting types) as annual figure x % of staff in office (68.7%)	1,283	Modal split (all commuting types) as annual figure x % of staff in office (42.7%)	947	Modal split (all commuting types) as annual figure x % of staff in office (31.5%)
Business travel	692	19/20 carbon data reduced by 20%	346	19/20 carbon data reduced by 60%	260	19/20 carbon data reduced by 70%
Teams Usage	72	Expected teams call time per day extrapolated by staff population (1 hour call per day)	143	Expected teams call time per day extrapolated by staff population (2 hours’ worth of meetings per day)	215	Expected teams call time per day extrapolated by staff population (3 hours’ worth of meetings per day)
Total	4,508		4,093		4,078

Last edited: 19 January 2022 7:39 am