Defined Benefit (Pension) · DOL Form 5500 · 2023

Idaho Power Company Pension Plan

Data updated 2026-08-25

$938M
Total assets Above avg plan size
2,075
Participants Near avg headcount
99th
Percentile by assets National rank
$451,934
Avg per participant High balance/head
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Official DOL plan name: Retirement Plan of Idaho Power Company · Sponsored by Idaho Power Company · Idaho · Utilities

$938M in assets, 2,075 participants

Idaho Power Company's Retirement Plan of Idaho Power Company reported $938M in total assets and 2,075 participants in its 2023 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.

  • #640 in Utilities (721 peers)

Coverage in Idaho

Retirement Plan of Idaho Power Company covers 2,075 participants in Idaho, 6.0x the typical Idaho plan (state average ~347 per filing). Assets: $938M.

#640
in Utilities (721 peers)
+5.6%
assets growth YoY
9.4×
vs typical plan assets (national mean)

Retirement Plan of Idaho Power Company's outsized position by total assets

Retirement Plan of Idaho Power Company vs every filed plan by assets

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

$937,762,817 Top 1% higher than 99% 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

Retirement Plan of Idaho Power Company's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Retirement Plan of Idaho Power Company lands in the large band (2,075 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Retirement Plan of Idaho Power Company reported net income rose from -$137M in the plan year 2022 filing to $50M in the plan year 2023 filing.
  • Retirement Plan of Idaho Power Company end-of-year assets rose from $888M in the plan year 2022 filing to $938M in the plan year 2023 filing.
  • Retirement Plan of Idaho Power Company reported participants rose from 2,009 in the plan year 2022 filing to 2,075 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 820130980 · Idaho Power Company PY 2023 · Defined Benefit (Pension)

Retirement Plan of Idaho Power Company · $938M · 2,075 · 99th

  • EIN $938M
  • RANK 2,075
  • PHOTO 99th
  • IND Defined Benefit (Pension)
  • EOY near Gannett Retirement Plan
  • 5500 ind #640

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 Utilities retirement plans → · Plans in Idaho →

Retirement Plan of Idaho Power Company in the asset neighbourhood

Electrical Workers Local No. 26 Pension FundElectrical Workers Local No.…$942MNational Fuel Gas Company Retirement PlanNational Fuel Gas Company Re…$941MGannett Retirement Plan$940MRetirement Plan of Idaho Power CompanyRetirement Plan of Idaho Pow…$938MSoft Drink and Brewery Workers Union Local 812 Retirement FundSoft Drink and Brewery Worke…$934M
End-of-year total assets ($M) among Retirement Plan of Idaho Power Company and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Idaho filing particulars

Total Assets (Beginning of Year)$888M
Net Assets (End of Year)$937M
Net Income$50M
Employer EIN820130980
Plan Effective Date1943-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Idaho Power Company)

Sponsor-wide plan assets over time

All Idaho Power Company plans reported in each filing year

Latest sponsor-wide plan assets
$1.9B 17.683629620342302% vs 2022
2024 filing year
$1.5B$1.6B$1.7B$1.8B$1.9B 202220232024 $1.58B $1.86B ▲ +17.7%
Year Plans Participants Total Assets
2022 2 4,018 $1.6B
2023 2 4,164 $1.7B
2024 2 4,232 $1.9B

Nearby Defined Benefit (Pension) Plans in Idaho

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

Retirement Plan of Idaho Power Company vs. nearby Defined Benefit (Pension) plans in Idaho, assets vs. participants Scatter plot of 6 data points. -20000200040006000 00.511.522.5 Total assets ($B) Participants Retirement Plan of Idaho Power Company, Total assets ($B): 0.937762817 · Participants: 2075Retirement Plan of Idaho Power CompanyIdaho National Laboratory Employee Retirement Plan, Total assets ($B): 2.108067181 · Participants: 1037Idaho National Laboratory Employee Retirement PlanShaws Supermarkets, Inc. Pension Plan for Union Employees, Total assets ($B): 0.222718296 · Participants: 5337Shaws Supermarkets, Inc. Pension Plan for Union EmployeesAmalgamated Sugar Company Hourly Retirement Plan, Total assets ($B): 0.21360885 · Participants: 840Amalgamated Sugar Company Hourly Retirement PlanSt. Luke's Health System Basic Pension Plan, Total assets ($B): 0.153694771 · Participants: 244St. Luke's Health System Basic Pension PlanHecla Mining Company Restated Retirement Plan, Total assets ($B): 0.115538468 · Participants: 499Hecla Mining Company Restated Retirement Plan
Retirement Plan of Idaho Power Company vs. nearby Defined Benefit (Pension) plans in Idaho, assets vs. participants
Compare Retirement Plan of Idaho Power Company side-by-side with 3 peers →

Retirement Plan of Idaho Power Company's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Idaho, the nearest Defined Benefit (Pension) by assets is Gannett Retirement Plan in NY ($940M); by covered participants it is Conagra Brands, Inc. Pension Plan for Hourly Rate Production Employees in IL (2,074 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($938M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,075 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 Retirement Plan of Idaho Power Company assets move in 2023? ▼
Retirement Plan of Idaho Power Company grew at a solid clip - up 5.6% during 2023, from $888M to $938M. Reported net income was $50M.
How have Idaho Power Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Idaho Power Company's sponsor-wide assets grew 17.7%, from $1.6B to $1.9B.
Where does Retirement Plan of Idaho Power Company rank by assets among Form 5500 filers? ▼
Retirement Plan of Idaho Power Company ranks in the 99th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Retirement Plan of Idaho Power Company? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Gannett Retirement Plan in NY ($940M, 1,593 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Retirement Plan of Idaho Power Company? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Conagra Brands, Inc. Pension Plan for Hourly Rate Production Employees in IL (2,074 participants, $521M 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 820130980.

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.