Measurement |
2019 |
2018 |
2017 |
2016 |
Baseline 2011 |
Utility System Emissions (in Metric Tons) |
Direct CO2-Equivalent Emissions - Scope 1 |
128,384 |
142,763 |
135,185 |
161,466 |
233,238 |
Product-Supplied CO2-Equivalent Emissions - Scope 3 (partial) |
5,024,549 |
5,130,336 |
4,863,376 |
5,092,375 |
5,260,258 |
CO2 |
1,888 |
1,991 |
1,562 |
4,776 |
3,113 |
Methane |
5,060 |
5,631 |
5,345 |
6,267 |
9,205 |
Nitrous Oxide |
0.0030 |
0.0040 |
0.0030 |
0.0130 |
0.0050 |
|
Methane Emissions and Migration from Distribution Mains |
Number of Gas Distribution Customers |
701,114 |
691,448 |
681,857 |
671,197 |
- |
Distribution Mains in Service |
10,186 |
10,049 |
10,133 |
10,057 |
9,375 |
Plastic (miles) |
6,934 |
6,558 |
6,311 |
5,984 |
4,493 |
Cathodically Protected Steel - Bare & Coated (miles) |
2,805 |
2,897 |
2,826 |
2,869 |
2,956 |
Unprotected Steel - Bare & Coated (miles) |
89 |
151 |
467 |
572 |
957 |
Cast Iron/Wrought Iron - without upgrades (miles) |
338 |
418 |
504 |
607 |
938 |
Ductile Iron (miles) |
20 |
24 |
24 |
24 |
31 |
Copper |
0.4 |
0.5 |
0.5 |
0.5 |
0.5 |
|
Plan/Commitment to Replace/Upgrade Remaining Miles of Distribution Mains (# years to complete) |
Unprotected Steel - Bare & Coated |
3 SJG; 6 ETG |
4 |
4 |
5 |
- |
Cast Iron/Wrought Iron |
3 SJG; 6 ETG |
4 |
4 |
5 |
- |
|
Distribution CO2e Fugitive Emissions |
CO2e Fugitive Methane Emissions from Gas Distribution Operations (metric tons) |
126,495 |
140,769 |
133,621 |
156,685 |
230,122 |
CO2e Fugitive Methane Emissions from Infrastructure (Pipeline Main & Services), includes ductile iron for ETG |
127,058 |
142,011 |
135,709 |
158,547 |
230,215 |
Percent Reduction from 2006 to each year |
53% |
47% |
50% |
41% |
14% |
CH4 Fugitive Methane Emissions from Gas Distribution Operations (metric tons) |
5,060 |
5,631 |
5,345 |
6,267 |
9,205 |
CH4 Fugitive Methane Emissions from Gas Distribution Operations (MMSCF/year) |
264 |
293 |
278 |
326 |
479 |
Annual Natural Gas Throughput from Gas Distribution Operations in thousands of standard cubic feet (Mscf/year) |
104,026,451 |
106,151,779 |
100,934,568 |
106,042,435 |
97,378,324 |
Annual Methane Gas Throughput from Gas Distribution Operations in millions of standard cubic feet (MMscf/year) |
98,825 |
100,844 |
95,888 |
100,740 |
92,509 |
Fugitive Methane Emissions Rate (Percent MMscf of Methane Emissions per MMscf of Methane Throughput) % |
0.27% |
0.29% |
0.29% |
0.32% |
0.52% |
|
Blowdown Emissions Reduction Initiative (* 2017 data only includes elevated distribution and transmission blowdowns, does not include regular distribution or ETG blowdown numbers as were not available) |
Natural Gas Volume Released during Blowdown, cf |
779,310 |
2,063,349 |
3,426,351 |
- |
- |
Natural Gas Volume Saved, cf |
1,402,476 |
97,899 |
738,375 |
- |
- |
CO2e Emissions Reduced, metric tons/yr |
640 |
45 |
337 |
- |
- |
Percent CO2e Emissions Reduced, metric tons/yr |
64% |
5% |
18% |
- |
- |
|
Excess Flow Valve Installation Program |
Excess Flow Valves (EFVs) |
238,922 |
209,168 |
244,115 |
214,557 |
- |
Total Number of Services |
557,264 |
549,499 |
619,037 |
611,904 |
- |
% EFVs to total Services |
43% |
38% |
39% |
35% |
- |
EFVs Methane Emissions Reduction, Mcf |
109,221 |
95,620 |
111,595 |
98,083 |
- |
|
Tons of Municipal Waste, Landfilled* |
365 |
421 |
283 |
250 |
- |
Tons of Municipal Waste, Recycled* |
798 |
614 |
705 |
864 |
- |
% Recycled* |
69% |
59% |
71% |
78% |
- |
Water Disclosure (Office, Division sites, LNG facilities) |
Total Water Used/Consumed, gallons |
8,304,820 |
12,036,120 |
14,328,110 |
9,358,302 |
- |
City Water Usage, gallons |
5,195,200 |
6,388,200 |
6,078,200 |
6,040,252 |
- |
Water Withdrawn from Well, gallons |
3,109,620 |
5,647,920 |
8,249,910 |
3,318,050 |
- |