Table of Contents

Recalculations - Sulphur Oxides

The negligibly small changes in the National Total reported for 1990 (+0.85 kt or +0.02 %) result almost entirely from revised emission estimates in NFR sub-category 2.B.6 together with less significant changes throughout NFR 1.

The strongest percental change, however, occurs for 2.B.6 with plus 49.5 %.

Table 1: Changes in emission estimates for 1990

Submission 2024 Submission 2025 Difference Reasoning
NFR Sector [kt] relative see description and reasoning in:
NATIONAL TOTAL 5,459.96 5,460.81 0.85 0.02% sub-category chapters
NFR 1 - Energy 5,284.38 5,284.38 0.00 0.00% sub-category chapters
1.A.2.g vii 2.72 2.66 -0.06 -2.15% here
1.A.4.a ii 0.55 0.53 -0.01 -2.16% here
1.A.4.c ii 5.69 5.76 0.07 1.24% here
NFR 2 - IPPU 175.54 176.39 0.85 0.49% sub-category chapters
2.B.6 1.73 2.58 0.85 49.5% here
NFR 3 - Agriculture NA
NFR 5 - Waste 0.03 0.03 0.00 0.00%
NFR 6 - Other NA

Changes in the National Total reported for 2022 ( -9.17 kt or -3.59 %) result mainly from a variety of revisions throughout NFRs 1, 2 and 5, however dominated by changes in NFR sub-categories 1.A.1.a (-13.78 kt), 1.A.1.b (+ 8.79 kt) and 1.A.2.g viii (-5.16 kt).

The most significant percental changes occur for NFRs 1.A.1.b with plus 25.81% and 1.A.2.g viii with -20.23%.

Table 2: Changes in emission estimates for 2022

Submission 2024 Submission 2025 Difference Reasoning
NFR Sector [kt] relative see description and reasoning in:
NATIONAL TOTAL 255.44 246.27 -9.17 -3.59% sub-category chapters
NFR 1 - Energy 194.43 184.86 -9.57 -4.92% sub-category chapters
1.A.1.a 102.62 88.84 -13.78 -13.43% here
1.A.1.b 34.07 42.87 8.79 25.81% here
1.A.1.c 6.20 6.15 -0.05 -0.76% here
1.A.2.a 4.05 4.31 0.25 6.29% here
1.A.2.b 0.315 0.287 -0.03 -8.79% here
1.A.2.e 0.74 0.80 0.06 8.76% here
1.A.2.g vii 0.012 0.011 0.00 -5.11% here
1.A.2.g viii 25.49 20.33 -5.16 -20.23% here
1.A.3.a i(i) 0.447 0.447 0.00 0.16% here
1.A.3.a ii(i) 0.087 0.087 0.00 0.03% here
1.A.3.b i 0.4745 0.4750 0.00 0.11% here
1.A.3.b ii 0.068 0.067 0.00 -1.67% here
1.A.3.b iii 0.213 0.215 0.00 1.13% here
1.A.3.b iv 0.0071 0.0069 0.00 -2.57% here
1.A.3.d ii 0.308 0.308 0.00 -0.04% here
1.A.3.e i 0.00331 0.00332 0.00 0.29% here
1.A.4.a i 1.18 1.17 -0.01 -0.89% here
1.A.4.a ii 0.0037 0.0034 -0.0003 -9.01% here
1.A.4.b i 9.83 10.20 0.37 3.77% here
1.A.4.b ii 0.00124 0.00127 0.00003 2.11% here
1.A.4.c i 1.96 2.04 0.08 3.99% here
1.A.4.c ii 0.0305 0.0313 0.0008 2.72% here
1.A.4.c iii 0.008 0.008 0.000 0.00% here
1.A.5.a 0.0148 0.0143 -0.0005 -3.10% here
1.A.5.b 0.0223 0.0224 0.0001 0.45% here
1.B.1.b 0.82 0.70 -0.11 -13.84% here
NFR 2 - IPPU 60.91 61.32 0.40 0.66% sub-category chapters
2.A.2 0.7896 0.8043 0.01 1.85% here
2.A.3 7.82 8.27 0.45 5.71% here
2.B.6 0.78 0.72 -0.06 -7.76% here
NFR 3 - Agriculture NA
NFR 5 - Waste 0.099 0.099 0.00 0.00%
NFR 6 - Other NA