Defined Benefit (Pension) · DOL Form 5500 · 2023

Wbi Energy Transmission, Inc. Pension Plan

Data updated 2026-08-25

$35M
Total assets Below avg plan size
74
Participants Small participant base
81st
Percentile by assets National rank
$471,710
Avg per participant High balance/head
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Official DOL plan name: Williston Basin Interstate Pipeline Company Pension Plan · Sponsored by Wbi Energy Transmission, Inc. · North Dakota · Transportation & Warehousing

$35M in assets, 74 participants

Wbi Energy Transmission, Inc.'s Williston Basin Interstate Pipeline Company Pension Plan reported $35M in total assets and 74 participants in its 2023 DOL Form 5500 filing, ranking in the 81st 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.

  • #2,687 in Transportation & Warehousing (3,362 peers)

Where Williston Basin Interstate Pipeline Company Pension Plan sits by assets

Williston Basin Interstate Pipeline Company Pension Plan sits in the top quartile of all filed plans by assets, $35M for 74 participants (~$471,710/participant), up 1.6% in 2023.

#2,687
in Transportation & Warehousing (3,362 peers)
+1.6%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Williston Basin Interstate Pipeline Company Pension Plan's outsized position by total assets

Williston Basin Interstate Pipeline Company Pension Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$34,906,551 Top 19% higher than 81% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Williston Basin Interstate Pipeline Company Pension Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Williston Basin Interstate Pipeline Company Pension Plan is a small filing (74 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Williston Basin Interstate Pipeline Company Pension Plan reported net income rose from -$11M in the plan year 2022 filing to $547K in the plan year 2023 filing.
  • Williston Basin Interstate Pipeline Company Pension Plan reported participants fell from 84 in the plan year 2022 filing to 74 in the plan year 2023 filing.
  • Williston Basin Interstate Pipeline Company Pension Plan end-of-year assets rose from $34M in the plan year 2022 filing to $35M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 450372309 · Wbi Energy Transmission, Inc. PY 2023 · Defined Benefit (Pension)

Williston Basin Interstate Pipeline Company Pension Plan · $35M · 74 · 81st

  • PCT $35M
  • EIN 74
  • RANK 81st
  • PHOTO Defined Benefit (Pension)
  • IND near Thermotron Employees Retirement Plan
  • EOY ind #2687

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Transportation & Warehousing retirement plans → · Plans in North Dakota →

Williston Basin Interstate Pipeline Company Pension Plan in the asset neighbourhood

Pension Plan for Employees of Ila, AFL-CIOPension Plan for Employees o…$35MNational Association of Broadcasters Retirement Income PlanNational Association of Broa…$35MThermotron Employees Retirement PlanThermotron Employees Retirem…$35MWilliston Basin Interstate Pipeline Company Pension PlanWilliston Basin Interstate P…$35MAvadian Credit Union Defined Benefit PlanAvadian Credit Union Defined…$35M
End-of-year total assets ($M) among Williston Basin Interstate Pipeline Company Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$34M
Net Assets (End of Year)$35M
Net Income$547K
Employer EIN450372309
Plan Effective Date1985-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Wbi Energy Transmission, Inc.)

Sponsor-wide plan assets over time

All Wbi Energy Transmission, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$33M 4.013050724791427% vs 2022
2024 filing year
$32M$33M$34M$35M$36M 202220232024 $34.4M $33M ▼ -4.0%
Year Plans Participants Total Assets
2022 1 84 $34M
2023 1 74 $35M
2024 1 62 $33M

Nearby Defined Benefit (Pension) Plans in North Dakota

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

Williston Basin Interstate Pipeline Company Pension Plan vs. nearby Defined Benefit (Pension) plans in North Dakota, assets vs. participants Scatter plot of 6 data points. 050010001500 20406080100120 Total assets ($M) Participants Williston Basin Interstate Pipeline Company Pension Plan, Total assets ($M): 34.906551 · Participants: 74Williston Basin Interstate Pipeline Company Pension PlanClark Equipment Company Retirement Plan (Plan 50), Total assets ($M): 106.226001 · Participants: 134Clark Equipment Company Retirement Plan (Plan 50)Clark Equipment Company - Melroe Division, Gwinner, Nd Plant Hourly-Rate Employees' Pension Plan, Total assets ($M): 104.002587 · Participants: 1028Clark Equipment Company - Melroe Division, Gwinner, Nd Plant Hourly-Rate Employees' Pension PlanMdu Resources Group, Inc. Pension Plan for Non-Bargaining Unit Employees, Total assets ($M): 97.881913 · Participants: 137Mdu Resources Group, Inc. Pension Plan for Non-Bargaining Unit EmployeesAltru Health System Cash Balance Plan, Total assets ($M): 92.059035 · Participants: 1417Altru Health System Cash Balance PlanDoosan Pension Plan Number One, Total assets ($M): 58.819411 · Participants: 420Doosan Pension Plan Number One
Williston Basin Interstate Pipeline Company Pension Plan vs. nearby Defined Benefit (Pension) plans in North Dakota, assets vs. participants
Compare Williston Basin Interstate Pipeline Company Pension Plan side-by-side with 3 peers →

Williston Basin Interstate Pipeline Company Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside North Dakota, the nearest Defined Benefit (Pension) by assets is Thermotron Employees Retirement Plan in WI ($35M); by covered participants it is Keystone Folding Box Company Retirement Plan in NJ (74 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (74 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Williston Basin Interstate Pipeline Company Pension Plan assets move in 2023? ▼
Williston Basin Interstate Pipeline Company Pension Plan edged up modestly - up 1.6% during 2023, from $34M to $35M. Reported net income was $547K.
How have Wbi Energy Transmission, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Wbi Energy Transmission, Inc.'s sponsor-wide assets declined 4.0%, from $34M to $33M.
Where does Williston Basin Interstate Pipeline Company Pension Plan rank by assets among Form 5500 filers? ▼
Williston Basin Interstate Pipeline Company Pension Plan ranks in the 81st percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Williston Basin Interstate Pipeline Company Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Thermotron Employees Retirement Plan in WI ($35M, 252 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Williston Basin Interstate Pipeline Company Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Keystone Folding Box Company Retirement Plan in NJ (74 participants, $7M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 450372309.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.