Defined Benefit (Pension) · DOL Form 5500 · 2022

Northwestern Corporation Pension Plan

Data updated 2026-08-11

$54M
Total assets
139
Participants
89th
Percentile by assets
$388,414
Avg per participant
PlainRetire home → About this data

Official DOL plan name: Northwestern Corporation Pension Plan · Sponsored by Northwestern Corporation · Montana · Utilities

$54M in assets, 139 participants

Northwestern Corporation's Northwestern Corporation Pension Plan reported $54M in total assets and 139 participants in its 2022 DOL Form 5500 filing, ranking in the 89th 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.

  • 89th percentile by assets (of 139,126 plans)
  • #420 in Utilities (738 peers)

Utilities sector rank

Within Utilities, Northwestern Corporation Pension Plan ranks #420 of 738 2022 filers by assets (994% of the sector average)-$54M for 139 participants.

$54M
total plan assets (2022 EOY)
139
covered participants
89th
percentile by assets (of 139,126 plans)
$388,414
avg assets per participant

The plan reported a net loss of $15M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
Industry

Rank #420 in Utilities

Among 738 Utilities plans that filed a Form 5500 for plan year 2022, Northwestern Corporation Pension Plan ranks #420 by end-of-year assets - about 994% of the sector average of $537M. Nationally it sits in the 89th percentile, a weaker position within its industry than across all filers.

Utilities filing particulars

Total Assets (Beginning of Year)$69M
Net Assets (End of Year)$54M
Net Income-$15M
Employer EIN460172280
Plan Effective Date1940-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Northwestern Corporation)

$840M$860M$880M$900M$920M 202220232024 $855M $911M ▲ +6.6%
Total plan assets by year, all Northwestern Corporation plans on file
Year Plans Participants Total Assets
2022 3 2,084 $855M
2023 3 2,047 $869M
2024 3 2,037 $911M

Nearby Defined Benefit (Pension) Plans in Montana

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

Northwestern Corporation Pension Plan vs. nearby Defined Benefit (Pension) plans in Montana, assets vs. participants

Northwestern Corporation Pension Plan vs. nearby Defined Benefit (Pension) plans in Montana, assets vs. participants Scatter plot of 6 data points. 0100200300400500 -1000100200300400500 Total assets ($M) Participants Northwestern Corpora…Northwestern Energy …St. Peter's Health C…Retirement Plan for …Pension Plan for Emp…American Chemet Corp…
Northwestern Corporation Pension Plan vs. nearby Defined Benefit (Pension) plans in Montana, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Northwestern Corporation Pension Plan by total assets, not by location.

Frequently Asked Questions

How did Northwestern Corporation Pension Plan assets move in 2022?
Northwestern Corporation Pension Plan declined sharply - down 21.5% during 2022, from $69M to $54M. Reported net income was -$15M.
How have Northwestern Corporation plan assets changed over time?
Across 3 plan years on file (2022-2024), Northwestern Corporation's sponsor-wide assets grew 6.6%, from $855M to $911M.
Where does Northwestern Corporation Pension Plan rank by assets among Form 5500 filers?
Northwestern Corporation Pension Plan ranks in the 89th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Northwestern Corporation Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is The Talbots, Inc. Pension Plan in MA ($54M, 459 participants).

Next read for Northwestern Corporation Pension Plan

Filing takeaways

Ways to act on Northwestern Corporation Pension Plan's numbers.

  • By total assets, Northwestern Corporation Pension Plan ranks in the top quartile of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Montana. Compare plans
  • Northwestern Corporation's sponsor-wide assets have grown 6.6% since 2022 across 3 plan years on file. More Utilities plans