Annual report summary

GD, GTG, LNG programs reported

Operating in NV, AZ
2024
Total regulated miles
10k
across reported programs
Service connections
738k
latest reported total
LNG facilities (if any)
1
facilities reported
Program Miles Services State Year
Gas Distribution 10k 738k NV 2024
Gas Transmission & Gathering 19 — AZ 2024
Liquefied Natural Gas — — — 2024

Miles by installation service by decade.

Gas Distribution
3k mi peak 10k total
Pre-1940
0
1940–1949
0
1950–1959
57
1960–1969
145
1970–1979
444
1980–1989
1k
1990–1999
3k
2000–2009
3k
2010–2019
1k
2020–2029
904
Unknown
13
Gas Transmission & Gathering
46 mi peak 176 total
Pre-1940
0
1940–1949
5
1950–1959
46
1960–1969
33
1970–1979
24
1980–1989
8
1990–1999
1
2000–2009
24
2010–2019
21
2020–2029
14
Unknown
0
Liquefied Natural Gas
Facility ID 9322
Facility & status
Tucson LNG
AZ · In Service
In service since 12/18/2019
Facility role
Peak Shaving
Storage w/o Liquefaction
Source: Truck
Capacity
66745 bbls
65 MMcf
Equipment
Tanks: 1
Vaporizers: 2
Operations
Liquefaction rate: 0
Unit ID: 90087
Report date: 3/13/2025
Datafile as of: 12/1/2025
Reference
Operator name SOUTHWEST GAS CORP
Primary ID 18536
Programs GD, GTG, LNG
Contact details
Preparer name A***e B***r
Preparer title Administrator/Compliance
Preparer phone (702) 364-3272
Preparer email a*********r@s***s.c*m
Preparer fax (702) 876-4238
Preparer address —
Report submission type SUPPLEMENTAL
Report date 2025-03-13T00:00:00
Filing date 2025-03-26T00:00:00
Additional information Supplemental Report: Updated Part C - Service Leaks. Updated Part D - Excavation Damages.
Form revision 7100.1-1 (Rev. 06-2023)
Company official name SOUTHWEST GAS CORP
Company official title —
Company official phone —
Company official email —
Company official fax —
Emergency contact name —
Emergency contact phone —
Emergency contact email —
Section 6 — Flattened data preview
Key Value
annuals.gd.miles 9594.078
annuals.gd.report_year 2024
annuals.gd.services 737913.0
annuals.gd.source_count 3
annuals.gd.state NV
annuals.gd.year 2024
annuals.gtg.miles 19.374
annuals.gtg.report_year 2024
annuals.gtg.source_count 1
annuals.gtg.state AZ
annuals.gtg.year 2024
annuals.raw.gd.COMMODITY Natural Gas
annuals.raw.gd.DATAFILE_AS_OF 12/1/2025
annuals.raw.gd.OFFICE_ADDRESS_STATE NV
annuals.raw.gd.OPERATOR_ID 18536.0
annuals.raw.gd.OPERATOR_NAME SOUTHWEST GAS CORP
annuals.raw.gd.OPERATOR_TYPE Investor Owned
annuals.raw.gd.REPORT_NUMBER 20251101.0
annuals.raw.gd.REPORT_YEAR 2024.0
annuals.raw.gd.SUPPLEMENTAL_NUMBER 73781.0
annuals.raw.gd.created_at 2025-12-05 14:43:55.588621
annuals.raw.gd.report_data.ADDITIONAL_INFORMATION Supplemental Report: Updated Part C - Service Leaks. Updated Part D - Excavation Damages.
annuals.raw.gd.report_data.AVERAGE_LENGTH 51.0
annuals.raw.gd.report_data.FED_LAND_LEAKS_REPAIRED 0.0
annuals.raw.gd.report_data.FILING_DATE 2025-03-26T00:00:00

1575 additional key/value pairs available.

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