Defined Benefit (Pension) · DOL Form 5500 · 2023

Intermountain Power Service Corporation Pension Plan

Data updated 2026-07-24

$315M
Total assets
321
Participants
96th
Percentile by assets
$981,110
Avg per participant

Official DOL plan name: Retirement Plan for Employees of Intermountain Power Service Corporation · Sponsored by Intermountain Power Service Corporation · Utah · Utilities

$315M in assets, 321 participants

Intermountain Power Service Corporation's Retirement Plan for Employees of Intermountain Power Service Corporation reported $315M in total assets and 321 participants in its 2023 DOL Form 5500 filing, ranking in the 96th 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.

  • 96th percentile by assets (of 126,618 plans)

What the 2023 filing shows

Retirement Plan for Employees of Intermountain Power Service Corporation holds $315M for 321 participants - about $981,110 per participant, in the top 5% of all filed plans by assets, up 4.7% over the 2023 plan year.

$315M
total plan assets (2023 EOY)
321
covered participants
96th
percentile by assets (of 126,618 plans)
$981,110
avg assets per participant
State
Industry
Utilities

Defined Benefit (Pension) · DOL Form 5500 · 2023

What the Filing Says About Retirement Plan for Employees of Intermountain Power Service Corporation

Retirement Plan for Employees of Intermountain Power Service Corporation is a Defined Benefit (Pension) retirement plan sponsored by Intermountain Power Service Corporation, headquartered in Utah. According to the U.S. Department of Labor's 2023 Form 5500 filing, the plan reports $315M in total end-of-year assets and covers 321 participants across the Utilities industry. The sponsor's EIN on file with the U.S. Department of Labor is 870388573, and the plan has been effective since 1983-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets edged up modestly from $301M at the beginning of 2023 to $315M at year-end - up 4.7%. Net assets (after liabilities) closed the year at $294M, with reported net income of $24M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Across the 3 plan years Intermountain Power Service Corporation has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $403M to $444M, a gain of 10.2%, while reported participants moved from 684 to 623 (-8.9%). The strongest year on file by total sponsor assets was 2024 at $444M; the softest was 2022 at $403M. Year-by-year, sponsor-wide filings show: 2022 - $403M in assets across 2 plans covering 684 participants; 2023 - $426M in assets across 2 plans covering 645 participants; 2024 - $444M in assets across 2 plans covering 623 participants.

By assets, Retirement Plan for Employees of Intermountain Power Service Corporation outranks 96% of the 126,618 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 3.2x the national average plan size of $100M and 730 average participants.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows, a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

How the percentile is calculated: we count every plan that filed a 2023 Form 5500 with a reported end-of-year asset figure (126,618 plans), rank Retirement Plan for Employees of Intermountain Power Service Corporation against all of them by total assets, and report the share of those plans it outranks. A plan reporting no asset figure for the year is excluded from the ranking rather than assumed to be zero.

Financial Summary (2023)

Total Assets (Beginning of Year)$301M
Total Assets (End of Year)$315M
Net Assets (End of Year)$294M
Net Income$24M
Plan TypeDefined Benefit (Pension)
Employer EIN870388573
Plan Effective Date1983-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Intermountain Power Service Corporation)

$380M$400M$420M$440M$460M 202220232024 $403M $444M ▲ +10.2%
Total plan assets by year, all Intermountain Power Service Corporation 401(k) plans on file
Year Plans Participants Total Assets
2022 2 684 $403M
2023 2 645 $426M
2024 2 623 $444M

Nearby Defined Benefit (Pension) Plans in Utah

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

Retirement Plan for Employees of Intermountain Power Service Corporation vs. nearby Defined Benefit (Pension) plans in Utah, assets vs. participants

Retirement Plan for Employees of Intermountain Power Service Corporation vs. nearby Defined Benefit (Pension) plans in Utah, assets vs. participants Scatter plot of 6 data points. -100000100002000030000 -20246810 Total assets ($B) Participants Retirement Plan for …Deseret Mutual Maste…Intermountain Health…Rio Tinto America In…America First Credit…Retail Food Employer…
Retirement Plan for Employees of Intermountain Power Service Corporation vs. nearby Defined Benefit (Pension) plans in Utah, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

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

Frequently Asked Questions

How much money is in the Retirement Plan for Employees of Intermountain Power Service Corporation?
As of the 2023 Form 5500 filing, Retirement Plan for Employees of Intermountain Power Service Corporation holds $315M in total assets with 321 participants. It is sponsored by Intermountain Power Service Corporation.
What type of plan is Retirement Plan for Employees of Intermountain Power Service Corporation?
Retirement Plan for Employees of Intermountain Power Service Corporation is a Defined Benefit (Pension) plan. It has been effective since 1983-01-01. The plan is filed with the U.S. Department of Labor under EIN 870388573.
Who sponsors the Retirement Plan for Employees of Intermountain Power Service Corporation?
Retirement Plan for Employees of Intermountain Power Service Corporation is sponsored by Intermountain Power Service Corporation, located in Utah. The sponsor's EIN is 870388573 and the plan operates in the Utilities industry.
How did Retirement Plan for Employees of Intermountain Power Service Corporation perform in 2023?
Retirement Plan for Employees of Intermountain Power Service Corporation edged up modestly - up 4.7% during 2023, moving from $301M to $315M in total assets. Net income was $24M.

What this filing means

Ways to act on Retirement Plan for Employees of Intermountain Power Service Corporation's numbers.

  • By total assets, Retirement Plan for Employees of Intermountain Power Service Corporation ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Utah. Compare plans
  • Intermountain Power Service Corporation's sponsor-wide assets have grown 10.2% since 2022 across 3 plan years on file. More Utilities plans
  • A Defined Benefit (Pension) plan works differently from other retirement plan types, understand the structural differences before comparing. Compare plan types

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 870388573.

Reference: IRS Publication 560, Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B, Distributions from IRAs, RMD rules under SECURE Act 2.0.

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

Every figure on PlainRetire is rendered directly from the Department of Labor's Form 5500 annual return filings, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-24.