401(k) · DOL Form 5500 · 2023

Nisource Inc 401(k) Plan

Data updated 2026-08-25

$1.7B
Total assets Very large vs avg
7,525
Participants Very large workforce
99th
Percentile by assets National rank
$229,945
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Nisource Inc Retirement Savings Plan · Sponsored by Nisource Inc · Indiana · Utilities

$1.7B in assets, 7,525 participants

Nisource Inc's Nisource Inc Retirement Savings Plan reported $1.7B in total assets and 7,525 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.

  • #670 in Utilities (721 peers)

Coverage in Indiana

Nisource Inc Retirement Savings Plan covers 7,525 participants in Indiana, 14x the typical Indiana plan (state average ~541 per filing). Assets: $1.7B.

#670
in Utilities (721 peers)
+14.5%
assets growth YoY
17×
vs typical plan assets (national mean)

Nisource Inc Retirement Savings Plan's outsized position by total assets

Nisource Inc Retirement Savings Plan vs every filed plan by assets

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

$1,730,333,853 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

Nisource Inc Retirement Savings Plan'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. Nisource Inc Retirement Savings Plan lands in the large band (7,525 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Nisource Inc Retirement Savings Plan reported net income rose from -$350M in the plan year 2022 filing to $219M in the plan year 2023 filing.
  • Nisource Inc Retirement Savings Plan end-of-year assets rose from $1.5B in the plan year 2022 filing to $1.7B in the plan year 2023 filing.
  • Nisource Inc Retirement Savings Plan reported participants fell from 7,561 in the plan year 2022 filing to 7,525 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 352108964 · Nisource Inc PY 2023 · 401(k)

Nisource Inc Retirement Savings Plan · $1.7B · 7,525 · 99th

  • BOY $1.7B
  • SCH 7,525
  • EBSA 99th
  • PART 401(k)
  • TYPE near Aldi Inc. Retirement Savings Plan
  • NET ind #670

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 Indiana →

Nisource Inc Retirement Savings Plan in the asset neighbourhood

Chevron Phillips Chemical Company LP 401(k) Savings and Profit Sharing PlanChevron Phillips Chemical Co…$1.7BNisource Inc Retirement Savings PlanNisource Inc Retirement Savi…$1.7BAldi Inc. Retirement Savings PlanAldi Inc. Retirement Savings…$1.7BSedgwick 401(k) Savings Plan$1.7BWesco Distribution, Inc. Retirement Savings PlanWesco Distribution, Inc. Ret…$1.7B
End-of-year total assets ($B) among Nisource Inc Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Indiana filing particulars

Total Assets (Beginning of Year)$1.5B
Net Assets (End of Year)$1.7B
Net Income$219M
Employer EIN352108964
Plan Effective Date1958-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Nisource Inc)

Sponsor-wide plan assets over time

All Nisource Inc plans reported in each filing year

Latest sponsor-wide plan assets
$2.4B 25.69694315937217% vs 2022
2024 filing year
$1.8B$2B$2.2B$2.4B$2.6B 202220232024 $1.88B $2.37B ▲ +26.1%
Year Plans Participants Total Assets
2022 2 8,886 $1.9B
2023 2 8,727 $2.1B
2024 2 8,722 $2.4B

Nearby 401(k) Plans in Indiana

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Nisource Inc Retirement Savings Plan vs. nearby 401(k) plans in Indiana, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000 051015 Total assets ($B) Participants Nisource Inc Retirement Savings Plan, Total assets ($B): 1.730333853 · Participants: 7525Nisource Inc Retirement Savings PlanThe Lilly Employee 401(k) Plan, Total assets ($B): 11.133214731 · Participants: 17583The Lilly Employee 401(k) PlanElevance Health 401(k) Plan, Total assets ($B): 11.042395257 · Participants: 76590Elevance Health 401(k) PlanCummins Retirement and Savings Plan, Total assets ($B): 5.730057183 · Participants: 28381Cummins Retirement and Savings PlanIu Health 401(k) Savings Plan, Total assets ($B): 3.907792365 · Participants: 38575Iu Health 401(k) Savings PlanSteel Dynamics, Inc. Profit Sharing and Retirement Savings Plan, Total assets ($B): 2.573079703 · Participants: 9015Steel Dynamics, Inc. Profit Sharing and Retirement Savings Plan
Nisource Inc Retirement Savings Plan vs. nearby 401(k) plans in Indiana, assets vs. participants

Scale composition for Nisource Inc Retirement Savings Plan

Nisource Inc Retirement Savings Plan reports $1.7B in end-of-year assets across 7,525 participants (0.014% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.008% of 93,925,755 covered participants) - about $229,945 per participant (1.7x the national average assets-per-participant) . Net income for plan year 2023 was $219M.

This plan identity (EIN 352108964, plan #005) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.5B to $2.0B (+34.5%) while covered participants moved from 7,561 to 7,619 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 7,561 $1.5B Open filing
2023 7,525 $1.7B This page
2024 · index core 7,619 $2.0B Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Nisource Inc Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Indiana, the nearest 401(k) by assets is Aldi Inc. Retirement Savings Plan in IL ($1.7B); by covered participants it is Kyndryl 401(k) Plan in NY (7,525 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.7B here).

Similar participant headcount

Nearest other-state filings by covered participants (7,525 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 Nisource Inc Retirement Savings Plan assets move in 2023? ▼
Nisource Inc Retirement Savings Plan grew at a solid clip - up 14.5% during 2023, from $1.5B to $1.7B. Reported net income was $219M.
How have Nisource Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Nisource Inc's sponsor-wide assets grew 25.7%, from $1.9B to $2.4B.
Where does Nisource Inc Retirement Savings Plan rank by assets among Form 5500 filers? ▼
Nisource Inc Retirement Savings Plan 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 401(k) plans are similar in size to Nisource Inc Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Aldi Inc. Retirement Savings Plan in IL ($1.7B, 48,209 participants).
Which 401(k) plans cover a similar participant headcount to Nisource Inc Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Kyndryl 401(k) Plan in NY (7,525 participants, $580M in assets).