Gas boiler/gas-fired power stations emissions data.xlsx

	B	C	D	F	G	H	J	K	L	M	N	O
1
2
3	UK Boiler Emissions						Assumptions
4	UK Boiler Emissions						Assumptions
5							Type	Variable	Measure	Unit	Notes	Reference
6	The below table provides the number of typical domestic boilers which would outputs equivalent CO2e emissions from ALL operational gas power stations in the UK. There are an estimated 26m domestic boilers in the UK. % = boiler total / power plant total						Power Plant	kW	431000	kW	Minimum (1,000), Median (608,000), Maximum (2,200,000)	DUKE 5.11 (https://www.gov.uk/government/statistics/electricity-chapter-5-digest-of-united-kingdom-energy-statistics-dukes)
7								Capacity Factor	35%		CCGT (52%); OCGT (40%)	Emissions Performance Standard Impact Assessments
8								kWh/annum	1321446000	kWh	calculation	kWCapacity factor hours in year
9								Co2/kWh	0.00038	tCO2	380 tCO2 per GWh in 2020	DUKE 5.14 (https://www.gov.uk/government/statistics/electricity-chapter-5-digest-of-united-kingdom-energy-statistics-dukes)
10	Total Gas Power Plants Vs. Domestic Boilers							SOx/kWh	0.000148	tSO2	0.148 g SO2 eq./kWh (within a range of 0.122-0.370)	https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:166964&datastreamId=FULL-TEXT.PDF
11		Total Power Plant	Single Boiler	Equivalent No. Boilers	Boiler Total	%		Nox/kWh	0.00000005	tNOx	50 g/MWh	https://iea-etsap.org/E-TechDS/PDF/E02-gas_fired_power-GS-AD-gct.pdf
12	kW	30,903,070	30	1,030,102	780,000,000	2524%		O3/kWh	0	-	NO DATA
13	kWh / Annum	94,748,812,620	12000	7,895,734	312,000,000,000	329%		Particulate/kWh	0	-	NO DATA
14	tCO2e / Annum	40,647,241	3.54	11,482,271	92,040,000	226%		CO2e/kWh	0.00043	tCO2		https://www.parliament.uk/globalassets/documents/post/postpn_383-carbon-footprint-electricity-generation.pdf (See page 2 - Gas) (Uses, Odeh N & Cockerill TT, 2008, Energy Policy, 36, 367-80) https://gridwatch.co.uk/co2-emissions (Uses IPCC Annex 3 - https://www.ipcc.ch/site/assets/uploads/2018/02/ipcc_wg3_ar5_annex-iii.pdf#page=7)
15	tNox/annum	4,737	0.0016	3,013,639	40,872	863%	Boiler	kW	30	kW	Minimum (24), average (30), Maximum (42)
16								Capacity Factor	5%		calculation	kWh/kW/hours in year
17	The below analysis compares a typical gas power plant in the UK with a typical domestic boiler in terms of capacity, generation and emissions. The equivalent column sets out the number of boilers which equate to power plant values							kWh/annum	12000	kWh	8,0000 - 17,000 kWh/annum	https://www.ofgem.gov.uk/publications/decision-typical-domestic-consumption-values-2020
18								Co2/kWh	0.00018387	tCO2	0.183kg/kWh	https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2020
19								SOx/kWh	0	tSO2	NO DATA
20								Nox/kWh	0.000000131	tNOx	56 - 206 mg/kWh1	https://www.london.gov.uk/sites/default/files/domestic_boiler_emission_testing_report.pdf
21								O3/kWh	0	-	NO DATA
22	Power Plant Vs Domestic Boiler							Particulate/kWh	0	-	NO DATA
23		Power Plant	Single Boiler	Equivalent No. Boilers				CO2e/kWh	0.000295	tCO2	210 - 380 gCO2e/kWh2	https://researchbriefings.files.parliament.uk/documents/POST-PN-0523/POST-PN-0523.pdf
24	kW	431000	30	14,367				Total in UK	26000000
25	kWh/annum	1321446000	12000	110,121
26	tCO2/annum	502149.48	2.20644	227,584			Red text = Input variable
27	tSox/annum	195574.008	0	#DIV/0!
28	tNox/annum	66.0723	0.001572	42,031			1	BSEN15502 NOX classes for gas-fired heating boilers: 1(260) - 6 (56) mg/kWh
29	tO3/annum	0	0	#DIV/0!			2	New boilers are required to have an efficiency rating of at least A or B,20 which equates to a carbon footprint of 210-230 gCO2eq/kWh for gas boilers. 53% of UK boilers met this standard in 2014.17 Older gas boilers can have footprints of 300-380 gCO2eq/kWh.
30	tParticulate/annum	0	0	#DIV/0!			3	i.e. Number of domestic boilers
31	tCO2e/annum	566900.334	3.54	160,141
32
33	The below comparison takes the equivalent values from above and links the data to a similarly sized town or borough in the UK [calculated using settlement population / average people per household (2.39)] This is an automatic table, please do not edit.
34
35
36
37
38
39	Population Comparison
40	Comparison	Unit	Homes3	Settlement
41	Capacity	kW	14,367	Colwyn Bay
42	Generation	kWh/year	110,121	Wolverhampton
43	Carbon Emissions	CO2	227,584	Leicester
44	Sulphur Emissions	Sox	#DIV/0!	#DIV/0!
45	Nitrous Emissions	Nox	42,031	Wakefield
46	Ozone Emissions	O3	#DIV/0!	#DIV/0!
47	Particulate Emissions	Particulate	#DIV/0!	#DIV/0!
48	CO2 equivalent emissions	CO2e/kWh	160,141	Stoke-on-Trent
49
50	#DIV/0! = missing data
51
52	The below comparison takes the equilvanent values from above and links the data to English local authorities with similar numbers of households (see sheets 3 and 5). This is an automatic table, please do not edit.
53
54
55
56
57
58	Household Comparison
59	Comparison	Unit	Homes3	Local Authority
60	Capacity	kW	14,367	City of London
61	Generation	kWh/year	144,730	Bromley
62	Carbon Emissions	CO2	299,110	Bradford
63	Sulphur Emissions	Sox	#DIV/0!	#DIV/0!
64	Nitrous Emissions	Nox	55,240	Elmbridge
65	Ozone Emissions	O3	#DIV/0!	#DIV/0!
66	Particulate Emissions	Particulate	#DIV/0!	#DIV/0!
67	CO2 equivalent emissions	CO2e/kWh	210,471	Bradford
68
69	#DIV/0! = missing data
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100