401(k) · DOL Form 5500 · 2022

National Grid USA Service Company, Inc. 401(k) Plan

Data updated 2026-08-06

$5.2B
Total assets
20,346
Participants
100th
Percentile by assets
$256,027
Avg per participant
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Official DOL plan name: National Grid USA Co. Incentive Thrift Plan · Sponsored by National Grid USA Service Company, Inc. · New York · Utilities

$5.2B in assets, 20,346 participants

National Grid USA Service Company, Inc.'s National Grid USA Co. Incentive Thrift Plan reported $5.2B in total assets and 20,346 participants in its 2022 DOL Form 5500 filing, ranking in the 100th 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.

  • 100th percentile by assets (of 139,258 plans)
  • #726 in Utilities (739 peers)

Coverage in New York

National Grid USA Co. Incentive Thrift Plan covers 20,346 participants in New York, 26x the typical New York plan (state average ~795 per filing). Assets: $5.2B.

$5.2B
total plan assets (2022 EOY)
20,346
covered participants
100th
percentile by assets (of 139,258 plans)
$256,027
avg assets per participant

The plan reported a net loss of $1.1B for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
New York
Industry
Utilities

Participants vs New York filers

In New York, the average filing covers about 795 participants across 8,491 plans. National Grid USA Co. Incentive Thrift Plan reports 20,346 participants - 26x that state average ($5.2B EOY assets).

New York filing particulars

Total Assets (Beginning of Year)$6.3B
Net Assets (End of Year)$5.2B
Net Income-$1.1B
Employer EIN041663150
Plan Effective Date1984-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (National Grid USA Service Company, Inc.)

$12.6B$12.8B$13B$13.2B$13.4B$13.6B 202220232024 $12.8B $13.5B ▲ +5.0%
Total plan assets by year, all National Grid USA Service Company, Inc. plans on file
Year Plans Participants Total Assets
2022 7 30,556 $12.8B
2023 7 25,487 $13.0B
2024 7 26,129 $13.5B

Nearby 401(k) Plans in New York

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

National Grid USA Co. Incentive Thrift Plan vs. nearby 401(k) plans in New York, assets vs. participants

National Grid USA Co. Incentive Thrift Plan vs. nearby 401(k) plans in New York, assets vs. participants Scatter plot of 6 data points. 050000100000150000 0204060 Total assets ($B) Participants National Grid USA Co…IBM 401 (K) Plus PlanMorgan Stanley 401(k…The Pepsico Savings …Deloitte 401(k) PlanThe Goldman Sachs 40…
National Grid USA Co. Incentive Thrift Plan vs. nearby 401(k) plans in New York, assets vs. participants
Compare National Grid USA Co. Incentive Thrift P… side-by-side with 3 peers →

Scale composition for National Grid USA Co. Incentive Thrift Plan

National Grid USA Co. Incentive Thrift Plan reports $5.2B in end-of-year assets across 20,346 participants (0.045% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.023% of 89,805,449 covered participants) - about $256,027 per participant (1.9x the national average assets-per-participant) . Net income for plan year 2022 was -$1.1B.

This plan identity (EIN 041663150, plan #007) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $5.2B to $6.4B (+23.5%) while covered participants moved from 20,346 to 17,179 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 20,346 $5.2B This page
2023 16,248 $5.9B Open filing
2024 · index core 17,179 $6.4B Open filing

The same sponsor also keeps 4 other index-core plans on PlainRetire:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to National Grid USA Co. Incentive Thrift Plan by total assets, not by location.

Frequently Asked Questions

How did National Grid USA Co. Incentive Thrift Plan assets move in 2022? ▼
National Grid USA Co. Incentive Thrift Plan declined sharply - down 17.4% during 2022, from $6.3B to $5.2B. Reported net income was -$1.1B.
How have National Grid USA Service Company, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), National Grid USA Service Company, Inc.'s sponsor-wide assets grew 5.0%, from $12.8B to $13.5B.
Where does National Grid USA Co. Incentive Thrift Plan rank by assets among Form 5500 filers? ▼
National Grid USA Co. Incentive Thrift Plan ranks in the 100th percentile by end-of-year assets among 139,258 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to National Grid USA Co. Incentive Thrift Plan? ▼
Among 401(k) plans in other states, the closest by assets is Elevator Constructors Annuity and 401(k) Retirement Plan in PA ($5.2B, 32,089 participants).

Next read for National Grid USA Co. Incentive Thrift P…

Filing takeaways

Ways to act on National Grid USA Co. Incentive Thrift Plan's numbers.

  • By total assets, National Grid USA Co. Incentive Thrift Plan ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in New York. Compare plans
  • National Grid USA Service Company, Inc.'s sponsor-wide assets have grown 5.0% since 2022 across 3 plan years on file. More Utilities plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 041663150.

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.