Table A1. Carbon footprint of Delft...

Table A1.

Carbon footprint of Delft University of Technology 2018 (sorted by emissions)

Scope	Carbon footprint category	Description	Activity [× 1,000 units]	Unit	Average Emission Factor [kgCO₂eq/unit]	Emissions [tCO₂eq]	Note	EF reference
Scope 3	Real estate and construction		58,055.1	€	0.29	19,375.3	Calculated average emission factor
		Additional costs	29.2	€	0.46	13.4		b
		Daily maintenance	153.5	€	0.20	30.7		c
		Electrotechnical works	1,819.5	€	0.52	946.2		b, c
		Fire safety	305.3	€	0.11	33.6		b
		Guarding buildings	200.0	€	0.17	33.0		b, c
		Other equipment and inventory	309.1	€	0.52	160.7		b, c
		Other housing costs	1,553.2	€	0.12	186.4		c
		Project costs university corporate offices	49,695.4	€	0.33	16,993.1	Emission factor calculated separately	b, c
		Relocation costs	267.3	€	0.12	32.1		c
		Rent and leasehold	833.6	€	0.17	141.7		b
		Replacement maintenance	116.7	€	0.29	34.0		b, c
		Tools	412.7	€	0.52	214.6		b, c
		Architectural works	2,314.6	€	0.24	543.9		c
		Tools rent	5.9	€	0.23	1.4		b
		Tool maintenance	39.0	€	0.27	10.5		b, c
Scope 1	Natural gas TU Delft		9,270.8	m3		17,521.9
		Natural gas consumption	9,270.8	m3	1.89	17,521.9		a
Scope 3	Equipment		28,093.3	€	0.48	14,278.9	Calculated average emission factor
		Electronic/electrotechnical material	1,226.2	€	0.52	637.6		b, c
		Emergency maintenance	2.4	€	0.39	0.9		b, c
		Equipment	20,778.6	€	0.52	10,804.9		b, c
		Project costs university corporate offices	50.6	€	0.45	26.3		b, c
		Technical mass items	3,737.3	€	0.52	1,943.4		b, c
		Equipment rent	108.8	€	0.46	50.1		b
		Equipment maintenance	2,182.6	€	0.37	814.8		b, c
		Preventative maintenance contract	6.3	€	0.13	0.8		b, c
		Units of account	0.5	€	0.11	0.1		c
Scope 3	ICT		23,140.5	€	0.38	8,353.7	Calculated average emission factor
		ADSL costs	0.5	€	0.23	0.1		c
		Audio visual resources/optical instruments and equipment	1,895.8	€	0.69	1,308.1		b
		Computer equipment	5,774.4	€	0.48	2,742.8		b, c
		Computer parts	109.9	€	0.48	52.2		b, c
		Computer supplies	139.4	€	0.48	66.2		b, c
		Education Service Provision	49.9	€	0.16	8.0		c
		Office machines	14.9	€	0.56	8.4		b, c
		Other equipment and inventory	24.1	€	0.52	12.5		b, c
		Project costs faculties	7.3	€	0.55	4.0	Average emission factor of ICT hardware group	b, c
		Project costs university corporate offices	2,730.0	€	0.46	1,498.3	Emission factor calculated separately	b, c
		Software	679.8	€	0.16	108.8		c
		Subscriptions	3,502.6	€	0.28	980.7		b
		Telephone/fax costs	715.7	€	0.27	189.6		b, c
		Telephone costs	33.0	€	0.27	8.7		b, c
		Computer equipment rent	8.7	€	0.23	2.0		b
		Audiovisual equipment rent	134.6	€	0.23	31.0		b
		Office machine maintenance	273.5	€	0.37	102.1		b, c
		Software maintenance	5,828.7	€	0.16	932.6		c
		Audiovisual equipment maintenance	128.0	€	0.37	47.8		b, c
		Computer equipment maintenance	66.4	€	0.22	14.3		b, c
		Office machines rent	1,023.4	€	0.23	235.4		b
Scope 3	Facility services		13,089.0	€	0.48	8,283.2	Calculated average emission factor
		Cleaning buildings	419.4	€	0.79	329.7		b, c
		Furniture and upholstery	2,412.6	€	0.59	1,423.4		b, c
		Furniture maintenance	120.7	€	0.27	32.6		b, c
		Other equipment and inventory	42.2	€	0.52	21.9		b, c
		Project costs university corporate offices	9,282.2	€	0.42	5,702.1		b, c
		Purchase of faculty cafes	31.6	€	0.39	12.4		b, c
		Window cleaning	0.2	€	0.16	0.0		c
		Furniture rent	153.6	€	0.34	52.2		b
		Trading goods	99.2	€	0.39	39.0		b, c
		Removal of environmentally harmful waste	526.9	€	1.27	669.2		c
		Sanitary goods	0.7	€	0.77	0.5		b, c
Scope 3	Business flights		33,332.8	passengerkm		5,469.2
		Regional (< 700 km)	1,833.3	passengerkm	0.297	544.5		a
		European (700–2,500 km)	5,553.3	passengerkm	0.20	1,110.7		a
		Intercontinental (> 2,500 km)	25,946.2	passengerkm	0.147	3,814.1		a
Scope 3	Catering		4,405.0	€	1.14	5,428.6	Calculated average emission factor
			4,405.0	€		5,428.6	Emission factor calculated separately	b
Scope 3	Research expenses and consumables	9,362.9	€	0.56	5,036.0		Calculated average emission factor
		Chemicals	1,899.2	€	1.07	2,022.7		c
		Congresses and symposia	2,157.4	€	0.15	323.6		c
		Gasses	730.5	€	0.67	489.4		c
		Intellectual property costs	1,386.9	€	0.13	180.3		b, c
		Other equipment and inventory	181.0	€	0.52	94.1		b, c
		Personal protective equipment	139.5	€	0.40	55.8		b, c
		Project costs faculties	3.6	€	0.34	1.2	Average emission factor from procurement	b, c
		Scientific dissertations	347.6	€	0.21	73.0		c
		Symposium, congress, trade fair	1,030.6	€	0.32	482.8		b, c
		Glassware/plastics/laboratory materials	1,486.4	€	0.88	1,313.0		b, c
Scope 3	Administration, consultancy and auditing		55,600.8	€	0.15	4,476.4	Calculated average emission factor
		Accountant fees	329.3	€	0.11	36.2		c
		Advertising costs	131.4	€	0.19	25.0		c
		Audit costs	13.7	€	0.08	2.6		c
		Collection costs	28.5	€	0.14	4.0		c
		Consultancy costs	1,695.6	€	0.16	271.3		c
		Inspections	4.6	€	0.11	0.5		c
		Insurances	1,373.8	€	0.17	233.5		c
		Interactive media	2.2	€	0.52	1.1		b
		Memberships	1,165.2	€	0.13	151.5		b, c
		Other equipment and inventory	113.8	€	0.52	59.2		b, c
		Other personnel costs	99.5	€	0.06	6.0		b
		Other staff advances	80.7	€	0.06	4.8		b
		Project costs university corporate offices	1,452.4	€	0.20	250.4	Emission factor calculated separately	b, c
		Reception services	0.5	€	0.17	0.1		c
		Reimbursement for third party services	28,260.0	€	0.06	1,696.3		b
		Reimbursement of moving and accommodation costs	0.8	€	0.42	0.3		c
		Reintegration costs	7.3	€	0.13	0.9		b, c
		Representation costs	136.6	€	0.34	46.5	Average emission factor from procurement	b, c
		Shipping costs	564.8	€	0.22	124.3		b, c
		Staff recruitment costs	257.0	€	0.19	48.8		c
		Student insurances	0.3	€	0.17	0.1		c
		Study, education and training	2,472.4	€	0.17	408.0		b, c
		Temporary workers	16,860.4	€	0.06	1,011.6		b
		Training costs for students	1.5	€	0.17	0.2		b
		Other office costs	548.7	€	0.17	93.3		c
Scope 3	Transportation and travel		7,248.9	€	0.53	4,318.5	Calculated average emission factor
		Accommodation costs of third parties	892.9	€	0.42	375.0		c
		Other equipment and inventory	5.2	€	0.52	2.7		b, c
		Project costs university corporate offices	85.5	€	0.48	40.6	Emission factor calculated separately	b, c
		Transport and transport maintenance costs	251.6	€	0.50	124.5		b, c
		Transport means	119.9	€	0.50	59.3		b, c
		Travel and accommodation expenses abroad	1,690.0	€	0.46	787.2		b, c
		Travel costs applicants	23.3	€	0.48	11.3		b, c
		Travel costs untaxed km	310.3	€	0.48	150.0		b, c
		Travel expenses of third parties	2,737.3	€	0.81	2,225.0		b, c
		Domestic travel and accommodation expenses	835.5	€	0.46	386.2		b, c
		Means of transport rent	297.3	€	0.53	156.6		b, c
Scope 3	Commuting					4,065.6
		Fossil fuel car	16,946.4	vehiclekm	0.22	3,728.2	Employee and student emissions	a
		Fossil fuel carpool	830.1	passengerkm	0.11	91.3	Employee emissions; two persons	d
		Motorcycle	415.0	km	0.137	56.9	Employee emissions	e
		Scooter/moped	415.0	km	0.053	22.0	Employee emissions	e
		Train	5,810.4	passengerkm	0.006	34.9	Employee emissions	a
		Bus/tram/metro (average)	1,245.1	passengerkm	0.106	132.4	Employee emissions	d
		Bike	18,261.4	passengerkm	0.00	0.0	Employee emissions
		Walk	830.1	passengerkm	0.00	0.0	Employee emissions
Scope 3	Energy supply to third parties on campus				3,716.5
		Natural gas	1,873.3	m3	1.89	3,540.5		a
		Electricity	14,668.8	kWh	0.012	176.0	Emission factor of electricity generated through wind power	a
Scope 3	Other		6,777.5	€	0.26	2,368.0	Calculated average emission factor
		Description Unavailable	2,367.1	€	0.34	804.8	Average emission factor from procurement	b, c
		Other equipment and inventory	1,600.7	€	0.52	832.3		b, c
		Project costs faculties	69.0	€	0.34	23.4	Average emission factor from procurement	b, c
		Project costs university corporate offices	60.0	€	0.37	22.1	Emission factor calculated separately	b, c
		Other facilities rent	790.3	€	0.17	134.4		b
		Student activity costs	360.1	€	0.14	51.6		b, c
		Maintenance of other consumables	301.4	€	0.26	81.5		b, c
		Mechanical works	1,228.9	€	0.34	417.8	Average emission factor from procurement	b, c
Scope 3	Paper products		2,727.7	€	0.49	1,395.0	Calculated average emission factor
		Books	308.4	€	0.40	123.4		b
		Copy costs	371.5	€	0.54	200.6		c
		Loose purchase collection formation	247.1	€	0.40	98.8		b
		Other equipment and inventory	0.2	€	0.52	0.1		b, c
		Printing costs	1,798.2	€	0.54	971.0		c
		Project costs faculties	2.3	€	0.47	1.1	Average emission factor of paper products group	b, c
Scope 3	Finance and tax		4,835.6	€	0.15	775.7	Calculated average emission factor
		Administrative consumption expenditure	3,149.8	€	0.17	535.5		c
		Banking costs	0.1	€	0.14	0.0		c
		Paid interest	0.2	€	0.14	0.0		c
		Paid subsidies	1,650.0	€	0.14	231.0		c
		Project costs university corporate offices	20.0	€	0.14	2.8		c
		Various charges	45.7	€	0.14	6.4		c
Scope 1/2	Electricity TU Delft					704.1
Scope 1		Electricity generation photovoltaic panels (LCA based)	1,041.5	kWh	0.07	72.9		a
Scope 1		Electricity cogeneration	14,263.2	kWh	–		Emissions calculated in category “Natural gas"
Scope 2		Purchase of wind energy (LCA based)	52,602.5	kWh	0.012	631.2		a
Scope 3	Waste		2,788.8	t		273.5
		Recycled waste	1,201.8	t		−195.0	EFs calculated separately based on TU Delft's waste processor	f, g
		Waste-to-energy	1,194.6	t		131.8	EFs calculated separately based on TU Delft's waste processor	f, g
		Landfill	392.4	t		336.7		h
Scope 3	Water		167.1	m3		97.8
		Tap water (LCA based)	167.1	m3	0.585	97.8		h
Total						105.938

Scope	Carbon footprint category	Description	Activity [× 1,000 units]	Unit	Average Emission Factor [kgCO₂eq/unit]	Emissions [tCO₂eq]	Note	EF reference
Scope 3	Real estate and construction		58,055.1	€	0.29	19,375.3	Calculated average emission factor
		Additional costs	29.2	€	0.46	13.4		b
		Daily maintenance	153.5	€	0.20	30.7		c
		Electrotechnical works	1,819.5	€	0.52	946.2		b, c
		Fire safety	305.3	€	0.11	33.6		b
		Guarding buildings	200.0	€	0.17	33.0		b, c
		Other equipment and inventory	309.1	€	0.52	160.7		b, c
		Other housing costs	1,553.2	€	0.12	186.4		c
		Project costs university corporate offices	49,695.4	€	0.33	16,993.1	Emission factor calculated separately	b, c
		Relocation costs	267.3	€	0.12	32.1		c
		Rent and leasehold	833.6	€	0.17	141.7		b
		Replacement maintenance	116.7	€	0.29	34.0		b, c
		Tools	412.7	€	0.52	214.6		b, c
		Architectural works	2,314.6	€	0.24	543.9		c
		Tools rent	5.9	€	0.23	1.4		b
		Tool maintenance	39.0	€	0.27	10.5		b, c
Scope 1	Natural gas TU Delft		9,270.8	m3		17,521.9
		Natural gas consumption	9,270.8	m3	1.89	17,521.9		a
Scope 3	Equipment		28,093.3	€	0.48	14,278.9	Calculated average emission factor
		Electronic/electrotechnical material	1,226.2	€	0.52	637.6		b, c
		Emergency maintenance	2.4	€	0.39	0.9		b, c
		Equipment	20,778.6	€	0.52	10,804.9		b, c
		Project costs university corporate offices	50.6	€	0.45	26.3		b, c
		Technical mass items	3,737.3	€	0.52	1,943.4		b, c
		Equipment rent	108.8	€	0.46	50.1		b
		Equipment maintenance	2,182.6	€	0.37	814.8		b, c
		Preventative maintenance contract	6.3	€	0.13	0.8		b, c
		Units of account	0.5	€	0.11	0.1		c
Scope 3	ICT		23,140.5	€	0.38	8,353.7	Calculated average emission factor
		ADSL costs	0.5	€	0.23	0.1		c
		Audio visual resources/optical instruments and equipment	1,895.8	€	0.69	1,308.1		b
		Computer equipment	5,774.4	€	0.48	2,742.8		b, c
		Computer parts	109.9	€	0.48	52.2		b, c
		Computer supplies	139.4	€	0.48	66.2		b, c
		Education Service Provision	49.9	€	0.16	8.0		c
		Office machines	14.9	€	0.56	8.4		b, c
		Other equipment and inventory	24.1	€	0.52	12.5		b, c
		Project costs faculties	7.3	€	0.55	4.0	Average emission factor of ICT hardware group	b, c
		Project costs university corporate offices	2,730.0	€	0.46	1,498.3	Emission factor calculated separately	b, c
		Software	679.8	€	0.16	108.8		c
		Subscriptions	3,502.6	€	0.28	980.7		b
		Telephone/fax costs	715.7	€	0.27	189.6		b, c
		Telephone costs	33.0	€	0.27	8.7		b, c
		Computer equipment rent	8.7	€	0.23	2.0		b
		Audiovisual equipment rent	134.6	€	0.23	31.0		b
		Office machine maintenance	273.5	€	0.37	102.1		b, c
		Software maintenance	5,828.7	€	0.16	932.6		c
		Audiovisual equipment maintenance	128.0	€	0.37	47.8		b, c
		Computer equipment maintenance	66.4	€	0.22	14.3		b, c
		Office machines rent	1,023.4	€	0.23	235.4		b
Scope 3	Facility services		13,089.0	€	0.48	8,283.2	Calculated average emission factor
		Cleaning buildings	419.4	€	0.79	329.7		b, c
		Furniture and upholstery	2,412.6	€	0.59	1,423.4		b, c
		Furniture maintenance	120.7	€	0.27	32.6		b, c
		Other equipment and inventory	42.2	€	0.52	21.9		b, c
		Project costs university corporate offices	9,282.2	€	0.42	5,702.1		b, c
		Purchase of faculty cafes	31.6	€	0.39	12.4		b, c
		Window cleaning	0.2	€	0.16	0.0		c
		Furniture rent	153.6	€	0.34	52.2		b
		Trading goods	99.2	€	0.39	39.0		b, c
		Removal of environmentally harmful waste	526.9	€	1.27	669.2		c
		Sanitary goods	0.7	€	0.77	0.5		b, c
Scope 3	Business flights		33,332.8	passengerkm		5,469.2
		Regional (< 700 km)	1,833.3	passengerkm	0.297	544.5		a
		European (700–2,500 km)	5,553.3	passengerkm	0.20	1,110.7		a
		Intercontinental (> 2,500 km)	25,946.2	passengerkm	0.147	3,814.1		a
Scope 3	Catering		4,405.0	€	1.14	5,428.6	Calculated average emission factor
			4,405.0	€		5,428.6	Emission factor calculated separately	b
Scope 3	Research expenses and consumables	9,362.9	€	0.56	5,036.0		Calculated average emission factor
		Chemicals	1,899.2	€	1.07	2,022.7		c
		Congresses and symposia	2,157.4	€	0.15	323.6		c
		Gasses	730.5	€	0.67	489.4		c
		Intellectual property costs	1,386.9	€	0.13	180.3		b, c
		Other equipment and inventory	181.0	€	0.52	94.1		b, c
		Personal protective equipment	139.5	€	0.40	55.8		b, c
		Project costs faculties	3.6	€	0.34	1.2	Average emission factor from procurement	b, c
		Scientific dissertations	347.6	€	0.21	73.0		c
		Symposium, congress, trade fair	1,030.6	€	0.32	482.8		b, c
		Glassware/plastics/laboratory materials	1,486.4	€	0.88	1,313.0		b, c
Scope 3	Administration, consultancy and auditing		55,600.8	€	0.15	4,476.4	Calculated average emission factor
		Accountant fees	329.3	€	0.11	36.2		c
		Advertising costs	131.4	€	0.19	25.0		c
		Audit costs	13.7	€	0.08	2.6		c
		Collection costs	28.5	€	0.14	4.0		c
		Consultancy costs	1,695.6	€	0.16	271.3		c
		Inspections	4.6	€	0.11	0.5		c
		Insurances	1,373.8	€	0.17	233.5		c
		Interactive media	2.2	€	0.52	1.1		b
		Memberships	1,165.2	€	0.13	151.5		b, c
		Other equipment and inventory	113.8	€	0.52	59.2		b, c
		Other personnel costs	99.5	€	0.06	6.0		b
		Other staff advances	80.7	€	0.06	4.8		b
		Project costs university corporate offices	1,452.4	€	0.20	250.4	Emission factor calculated separately	b, c
		Reception services	0.5	€	0.17	0.1		c
		Reimbursement for third party services	28,260.0	€	0.06	1,696.3		b
		Reimbursement of moving and accommodation costs	0.8	€	0.42	0.3		c
		Reintegration costs	7.3	€	0.13	0.9		b, c
		Representation costs	136.6	€	0.34	46.5	Average emission factor from procurement	b, c
		Shipping costs	564.8	€	0.22	124.3		b, c
		Staff recruitment costs	257.0	€	0.19	48.8		c
		Student insurances	0.3	€	0.17	0.1		c
		Study, education and training	2,472.4	€	0.17	408.0		b, c
		Temporary workers	16,860.4	€	0.06	1,011.6		b
		Training costs for students	1.5	€	0.17	0.2		b
		Other office costs	548.7	€	0.17	93.3		c
Scope 3	Transportation and travel		7,248.9	€	0.53	4,318.5	Calculated average emission factor
		Accommodation costs of third parties	892.9	€	0.42	375.0		c
		Other equipment and inventory	5.2	€	0.52	2.7		b, c
		Project costs university corporate offices	85.5	€	0.48	40.6	Emission factor calculated separately	b, c
		Transport and transport maintenance costs	251.6	€	0.50	124.5		b, c
		Transport means	119.9	€	0.50	59.3		b, c
		Travel and accommodation expenses abroad	1,690.0	€	0.46	787.2		b, c
		Travel costs applicants	23.3	€	0.48	11.3		b, c
		Travel costs untaxed km	310.3	€	0.48	150.0		b, c
		Travel expenses of third parties	2,737.3	€	0.81	2,225.0		b, c
		Domestic travel and accommodation expenses	835.5	€	0.46	386.2		b, c
		Means of transport rent	297.3	€	0.53	156.6		b, c
Scope 3	Commuting					4,065.6
		Fossil fuel car	16,946.4	vehiclekm	0.22	3,728.2	Employee and student emissions	a
		Fossil fuel carpool	830.1	passengerkm	0.11	91.3	Employee emissions; two persons	d
		Motorcycle	415.0	km	0.137	56.9	Employee emissions	e
		Scooter/moped	415.0	km	0.053	22.0	Employee emissions	e
		Train	5,810.4	passengerkm	0.006	34.9	Employee emissions	a
		Bus/tram/metro (average)	1,245.1	passengerkm	0.106	132.4	Employee emissions	d
		Bike	18,261.4	passengerkm	0.00	0.0	Employee emissions
		Walk	830.1	passengerkm	0.00	0.0	Employee emissions
Scope 3	Energy supply to third parties on campus				3,716.5
		Natural gas	1,873.3	m3	1.89	3,540.5		a
		Electricity	14,668.8	kWh	0.012	176.0	Emission factor of electricity generated through wind power	a
Scope 3	Other		6,777.5	€	0.26	2,368.0	Calculated average emission factor
		Description Unavailable	2,367.1	€	0.34	804.8	Average emission factor from procurement	b, c
		Other equipment and inventory	1,600.7	€	0.52	832.3		b, c
		Project costs faculties	69.0	€	0.34	23.4	Average emission factor from procurement	b, c
		Project costs university corporate offices	60.0	€	0.37	22.1	Emission factor calculated separately	b, c
		Other facilities rent	790.3	€	0.17	134.4		b
		Student activity costs	360.1	€	0.14	51.6		b, c
		Maintenance of other consumables	301.4	€	0.26	81.5		b, c
		Mechanical works	1,228.9	€	0.34	417.8	Average emission factor from procurement	b, c
Scope 3	Paper products		2,727.7	€	0.49	1,395.0	Calculated average emission factor
		Books	308.4	€	0.40	123.4		b
		Copy costs	371.5	€	0.54	200.6		c
		Loose purchase collection formation	247.1	€	0.40	98.8		b
		Other equipment and inventory	0.2	€	0.52	0.1		b, c
		Printing costs	1,798.2	€	0.54	971.0		c
		Project costs faculties	2.3	€	0.47	1.1	Average emission factor of paper products group	b, c
Scope 3	Finance and tax		4,835.6	€	0.15	775.7	Calculated average emission factor
		Administrative consumption expenditure	3,149.8	€	0.17	535.5		c
		Banking costs	0.1	€	0.14	0.0		c
		Paid interest	0.2	€	0.14	0.0		c
		Paid subsidies	1,650.0	€	0.14	231.0		c
		Project costs university corporate offices	20.0	€	0.14	2.8		c
		Various charges	45.7	€	0.14	6.4		c
Scope 1/2	Electricity TU Delft					704.1
Scope 1		Electricity generation photovoltaic panels (LCA based)	1,041.5	kWh	0.07	72.9		a
Scope 1		Electricity cogeneration	14,263.2	kWh	–		Emissions calculated in category “Natural gas"
Scope 2		Purchase of wind energy (LCA based)	52,602.5	kWh	0.012	631.2		a
Scope 3	Waste		2,788.8	t		273.5
		Recycled waste	1,201.8	t		−195.0	EFs calculated separately based on TU Delft's waste processor	f, g
		Waste-to-energy	1,194.6	t		131.8	EFs calculated separately based on TU Delft's waste processor	f, g
		Landfill	392.4	t		336.7		h
Scope 3	Water		167.1	m3		97.8
		Tap water (LCA based)	167.1	m3	0.585	97.8		h
Total						105.938

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