Environmental data

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Environmental performance data

 

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

Greenhouse gas (GHG) emissions

 

 

 

 

 

 

 

 

 

 

Total GHG emissions

 

 

 

 

 

 

 

 

 

 

Net Carbon Footprint (gCO2e/MJ)

78

79

79

79

 

 

 

 

 

 

Direct GHG emissions (Scope 1) (million tonnes CO2 equivalent) [A]

70

71

73

70

72

76

73

72

74

76

Carbon dioxide (CO2) (million tonnes)

67

68

70

67

68

73

71

69

71

72

Methane (CH4) (thousand tonnes) [P]

91

92

123

138

132

134

120

102

143

128

Nitrous oxide (N2O) (thousand tonnes)

1

1

1

1

1

1

1

1

1

2

Hydrofluorocarbons (HFCs) (tonnes) [P]

29

31

22

21

20

16

18

23

22

23

Energy indirect GHG emissions (Scope 2) (million tonnes CO2 equivalent) [B]

10

11

12

11

9

10

10

9

10

9

GHG emissions associated with exported energy (subset of direct GHGs)

3

3

3

3

2

3

 

 

 

 

Use of our refinery and natural gas products (Scope 3 Category 11) (million tonnes CO2 equivalent) [Q]

576

599

579

600

560

600

600

580

570

670

GHG emissions breakdown by business (Scope 1 and 2)

 

 

 

 

 

 

 

 

 

 

Scope 1 – Upstream (million tonnes CO2 equivalent)

12.9

14.8

19.6

18.7

 

 

 

 

 

 

Scope 1 – Integrated Gas (million tonnes CO2 equivalent)

16.3

13.0

12.0

13.7

 

 

 

 

 

 

Scope 1 – Downstream (million tonnes CO2 equivalent)

40.3

42.2

41.1

37.6

 

 

 

 

 

 

Scope 2 – Upstream [B] (million tonnes CO2 equivalent)

1.1

1.4

1.4

1.4

 

 

 

 

 

 

Scope 2 – Integrated Gas [B] (million tonnes CO2 equivalent)

1.6

2.4

2.4

2.0

 

 

 

 

 

 

Scope 2 – Downstream [B] (million tonnes CO2 equivalent)

7.3

6.8

7.5

7.3

 

 

 

 

 

 

GHG intensity by Business

 

 

 

 

 

 

 

 

 

 

Upstream and Integrated Gas GHG intensity

0.168

0.158

0.166

0.166

 

 

 

 

 

 

Refinery GHG intensity

1.06

1.05

1.14

1.18

 

 

 

 

 

 

Chemical GHG intensity

1.04

0.96

0.95

0.99

 

 

 

 

 

 

Flaring

 

 

 

 

 

 

 

 

 

 

Flaring (upstream) (million tonnes CO2 equivalent) [C] [P]

5.9

5.2

8.2

7.6

11.8

12.5

8.0

7.7

10.7

10.6

Flaring (upstream) (million tonnes hydrocarbon flared) [C] [P]

1.8

1.5

2.5

2.3

3.5

3.7

2.4

2.3

3.4

3.5

Nigeria [D] [P]

0.7

0.6

0.8

0.5

0.9

1.2

1.2

1.5

2.0

2.4

Rest of the world [E]

1.2

1.0

1.7

1.8

2.6

2.5

1.1

0.8

1.4

1.0

Energy intensity

 

 

 

 

 

 

 

 

 

 

Upstream excl. oil sands, LNG and GTL (gigajoules per tonne production) [C] [F]

1.07

1.06

1.05

1.02

0.83

0.87

0.89

0.83

0.75

0.74

Refineries: Refinery Energy Index [G]

94.4

94.3

94.8

95.4

95.4

94.9

95.6

98.4

100.8

101.8

Chemical plants: Chemicals Energy Intensity

19.7

18.3

17.6

18.9

19.6

 

 

 

 

 

Acid gases and VOCs

 

 

 

 

 

 

 

 

 

 

Sulphur oxides (SOx) (thousand tonnes SO2) [P]

65

74

81

83

88

97

99

113

136

139

Nitrogen oxides (NOx) (thousand tonnes NO2)

108

111

107

113

104

146

144

147

146

159

Volatile organic compounds (VOCs) (thousand tonnes) [P]

55

59

95

153

131

151

89

89

129

147

Ozone-depleting emissions

 

 

 

 

 

 

 

 

 

 

CFCs/halons/trichloroethane (tonnes)

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

Hydrochlorofluorocarbons (HCFCs) (tonnes)

8

9

7

8

8

6

8

8

12

21

Spills and discharges [H] [I] [P]

 

 

 

 

 

 

 

 

 

 

Sabotage spills – volume (thousand tonnes) [J]

2.0

1.6

1.4

3.9

2.3

2.7

2.2

3.3

1.6

3.0

Sabotage spills – number [J]

156

109

62

49

95

139

157

138

118

112

Operational spills – volume (thousand tonnes)

0.2

0.9

0.4

0.8

0.8

0.7

0.9

1.9

6.0

2.9

Nigeria [K]

0.03

0.4

0.1

0.3

0.2

0.3

0.4

0.2

5.3

0.7

Rest of the world

0.2

0.5

0.3

0.5

0.7

0.4

0.5

1.8

0.7

2.2

Operational spills – number

70

93

104

72

108

158

174

207

211

195

Nigeria [L]

7

15

10

8

16

40

31

37

64

32

Rest of the world

63

78

94

64

92

118

143

170

147

163

Hurricane spills – volume (thousand tonnes) [M]

0.0

0.0

0.3

0.0

0.0

0.0

0.0

0.0

0.0

0.0

Oil in effluents to surface environment (thousand tonnes)

1.3

1.4

1.2

1.0

1.0

0.9

1.1

1.0

1.3

1.6

Water [N]

 

 

 

 

 

 

 

 

 

 

Fresh water withdrawn (million cubic metres) [P]

192

199

201

195

186

199

198

203

219

212

Fresh water consumed (million cubic metres)

145

147

150

152

141

165

 

 

 

 

Waste disposal

 

 

 

 

 

 

 

 

 

 

Hazardous (thousand tonnes) [P]

698

592

638

658

474

529

698

820

740

1,048

Non-hazardous (thousand tonnes) [P]

1,414

1,407

1,382

1,491

1,820

1,674

2,056

2,295

1,850

1,079

Total waste (thousand tonnes) [O] [P]

2,113

1,999

2,020

2,148

2,294

2,203

2,755

3,115

2,590

2,127

[A]

Greenhouse gas emissions (GHG) comprise carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, sulphur hexafluoride and nitrogen trifluoride. The data are calculated using locally regulated methods where they exist. Where there is no locally regulated method, the data are calculated using the 2009 API Compendium, which is the recognised industry standard under the GHG Protocol Corporate Accounting and Reporting Standard. There are inherent limitations to the accuracy of such data. Oil and gas industry guidelines (IPIECA/API/IOGP) indicate that several sources of uncertainty can contribute to the overall uncertainty of a corporate emissions inventory. We have estimated the overall uncertainty of our direct GHG emissions to be around 2%. 2015-2019 emissions are calculated using Global Warming Potential factors from the IPCC’s Fourth Assessment Report. Data for prior years were calculated using Global Warming Potential factors from the IPCC’s Second Assessment Report.

[B]

These emissions were calculated using the market-based method in line with the GHG Protocol Corporate Accounting and Reporting Standard.

[C]

The term upstream in this context includes assets and activities from our Upstream and Integrated Gas businesses.

[D]

Nigeria includes SPDC onshore operations (0.6 million tonnes flared in 2019) and SNEPCo offshore operations (0.02 million tonnes flared in 2019).

[E]

Flaring from Prelude in Australia and from Malaysia amounted to 0.7 and 0.1 million tonnes of hydrocarbons respectively in 2019.

[F]

Methodology was updated in 2012. Data for prior years are not directly comparable.

[G]

Data are indexed to 2002, based on Solomon Associates Energy Intensity Index methodology.

[H]

All spill volumes and numbers are for spills of more than 100 kilograms.

[I]

As of the end of March 2020, there was one spill under investigation in Nigeria that may result in adjustments.

[J]

All sabotage- and theft-related spills have occurred in Nigeria except in 2016 (0.001 thousand tonnes) and 2015 (0.005 thousand tonnes). We have updated the number of sabotage spills for 2018 and 2019 as published in our 2019 Annual Report following a review of the data.

[K]

Nigeria includes SPDC onshore operations and SNEPCo offshore operations. A single spill at the Bonga field offshore Nigeria amounted to 4.8 thousand tonnes in 2011.

[L]

Nigeria includes SPDC onshore operations (seven operational spills in 2019) and SNEPCo offshore operations (zero operational spills in 2019).

[M]

2017 data reflect four spills caused by Hurricane Harvey in the USA.

[N]

Freshwater figures do not include once-through cooling water.

[O]

In 2019, we sent waste off-site for recycling or reuse, or sold over 400 thousand tonnes of material that would otherwise have been disposed of as waste.

[P]

We have updated some of our historical figures following a review of the data.

[Q]

2019 numbers reflect emissions in CO2 equivalents. Prior years’ data only reflected CO2 emissions.
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