Northwestern 401(k) match, vesting and fees

Plan year 2024 filingNorthwestern Energy 401(k) Retirement Savings Plan · Plan 103 · EIN 46-0172280Updated Oct 2026

What Northwestern's 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $14.1M in employer contributions, about $6,945 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$252,223
Average account balance
2,038
Participants (end of year)
$513M
Plan assets (end of year)
0.06%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperFidelity Investments InstitutionalSchedule C ↗
Independent auditorEide Bailly LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2024 medians for 88 defined-contribution plans in utilities with 1,000 to 4,999 participants.

Northwestern: employer contribution per participant$6,945
Peer median$5,211
Northwestern: average balance$252,223
Peer median$181,622
Northwestern: admin expenses ÷ assets0.06%
Peer median0.08%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $493M at the end of plan year 2021 to $513M at the end of plan year 2024.

$493M2021$405M2022$463M2023$513M2024
End-of-year figures from each plan year's Form 5500 filing for the Northwestern plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
20242,038$513M$14.1M$6,9450.06%Not publishedForm 5500 ↗
20232,009$463M$13.3M$6,6810.06%Not publishedForm 5500 ↗
20221,942$405M$12.3M$6,3670.04%Not publishedForm 5500 ↗
20211,882$493M$11.5M$6,1480.03%Not publishedForm 5500 ↗

Other Northwestern plans (2)

Each plan files its own Form 5500. Figures are from each plan's latest filing.

Northwestern Energy Mt Pension Plan

Plan 101 · EIN 46-0172280 · plan year 2024 filing
$336,267
Average account balance
1,028
Participants (end of year)
$346M
Plan assets (end of year)
0.23%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

Independent auditorEide Bailly LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and statusPension (defined benefit) · ActiveForm 5500 ↗

Northwestern Energy Sd/Ne Pension Plan

Plan 001 · EIN 46-0172280 · plan year 2024 filing
$146,885
Average account balance
358
Participants (end of year)
$52.6M
Plan assets (end of year)
0.07%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

Independent auditorEide Bailly LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and statusPension (defined benefit) · ActiveForm 5500 ↗

Common questions

Does Northwestern match 401(k) contributions?

The match terms for the Northwestern Energy 401(k) Retirement Savings Plan have not been published from its filing yet. The plan year 2024 filing reports $14.1M in employer contributions, about $6,945 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Northwestern 401(k) match vested?

The vesting schedule for the Northwestern Energy 401(k) Retirement Savings Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Northwestern 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Fidelity Investments Institutional. The plan administrator is Employee Benefits Administration Committee.

I left Northwestern. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Employee Benefits Administration Committee, (605) 978-2826) or the recordkeeper, Fidelity Investments Institutional. The Northwestern old 401(k) page lists the contacts from every plan filing. Find an old Northwestern 401(k)

Data from the public Form 5500 annual reports Northwestern filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Northwestern. Not financial advice. Report a correction · Methodology