Defined Benefit (Pension) · DOL Form 5500 · 2024

Southwest Gas Corporation Pension Plan

Data updated 2026-08-11

$1.2B
Total assets: 1,868
Participants: 99th
Percentile by assets: $629,393
Avg per participant

Official DOL plan name: Retirement Plan for Employees of Southwest Gas Corporation · Sponsored by Southwest Gas Corporation · Nevada · Utilities

$1.2B in assets, 1,868 participants

Southwest Gas Corporation's Retirement Plan for Employees of Southwest Gas Corporation reported $1.2B in total assets and 1,868 participants in its 2024 DOL Form 5500 filing, ranking in the 99th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

99th percentile by assets (of 123,622 plans)
#654 in Utilities (732 peers)

Coverage in Nevada

Retirement Plan for Employees of Southwest Gas Corporation covers 1,868 participants in Nevada, 2.9x the typical Nevada plan (state average ~636 per filing). Assets: $1.2B.

$1.2B
total plan assets (2024 EOY): 1,868
covered participants: 99th
percentile by assets (of 123,622 plans): $629,393
avg assets per participant

The plan reported a net loss of $7M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Retirement Plan for Employees of Southwest Gas Corporation reported net income fell from $33M in the plan year 2023 filing to -$7M in the plan year 2024 filing.
Retirement Plan for Employees of Southwest Gas Corporation reported participants fell from 2,020 in the plan year 2023 filing to 1,868 in the plan year 2024 filing.
Retirement Plan for Employees of Southwest Gas Corporation end-of-year assets fell from $1.2B in the plan year 2023 filing to $1.2B in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Nevada

Industry

Utilities

Participants vs Nevada filers

In Nevada, the average filing covers about 636 participants across 808 plans. Retirement Plan for Employees of Southwest Gas Corporation reports 1,868 participants - 2.9x that state average ($1.2B EOY assets).

Nevada filing particulars

Total Assets (Beginning of Year)	$1.2B
Net Assets (End of Year)	$1.2B
Net Income	-$7M
Employer EIN	880085720
Plan Effective Date	1971-08-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Southwest Gas Corporation)

Total plan assets by year, all Southwest Gas Corporation plans on file

Year	Plans	Participants	Total Assets
2022	2	4,473	$1.6B
2023	2	4,386	$1.7B
2024	2	4,255	$1.8B

Nearby Defined Benefit (Pension) Plans in Nevada

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Retirement Plan for Employees of Southwest Gas Corporation vs. nearby Defined Benefit (Pension) plans in Nevada, assets vs. participants

Eighth District Electrical Pension Fund $1.3B · 10,468
United Brotherhood of Carpenters Pension Fund United States Segment $1.1B · 1,296
Nv Energy Retirement Plan $788M · 1,271
Construction Industry and Laborers Joint Pension Trust for So Nevada, Plan a $653M · 2,867
I.B.E.W. Local Union No 357 Pension Trust Fund, Plan a $552M · 2,795

Compare Retirement Plan for Employees of Southwe… side-by-side with 3 peers →

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Retirement Plan for Employees of Southwest Gas Corporation by total assets, not by location.

Kinder Morgan Retirement Plan a (TX) $1.2B · 3,110
Employee Retirement Plan of S&p Global Inc and Its Subsidiaries (NY) $1.2B · 1,136
Pension Plan for Eligible Bettis Employees and Retirees (PA) $1.2B · 1,420
Carpenters Labor-Management Pension Plan (CA) $1.2B · 2,835

Frequently Asked Questions

How did Retirement Plan for Employees of Southwest Gas Corporation assets move in 2024? ▼

Retirement Plan for Employees of Southwest Gas Corporation held essentially flat - down 0.6% during 2024, from $1.2B to $1.2B. Reported net income was -$7M.

How have Southwest Gas Corporation plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Southwest Gas Corporation's sponsor-wide assets grew 9.9%, from $1.6B to $1.8B.

Where does Retirement Plan for Employees of Southwest Gas Corporation rank by assets among Form 5500 filers? ▼

Retirement Plan for Employees of Southwest Gas Corporation ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).

Which Defined Benefit (Pension) plans are similar in size to Retirement Plan for Employees of Southwest Gas Corporation? ▼

Among Defined Benefit (Pension) plans in other states, the closest by assets is Kinder Morgan Retirement Plan a in TX ($1.2B, 3,110 participants).

Next read for Retirement Plan for Employees of Southwe…

Filing takeaways

Ways to act on Retirement Plan for Employees of Southwest Gas Corporation's numbers.

By total assets, Retirement Plan for Employees of Southwest Gas Corporation ranks among the largest 1% of all filed plans. See the largest plans
Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Nevada. Compare plans
Southwest Gas Corporation's sponsor-wide assets have grown 9.9% since 2022 across 3 plan years on file. More Utilities plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 880085720.