Defined Benefit (Pension) · DOL Form 5500 · 2022

National Grid USA Service Company, Inc. Pension Plan

Data updated 2026-08-11

$1.2B
Total assets
3,535
Participants
99th
Percentile by assets
$325,959
Avg per participant
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Official DOL plan name: Niagara Mohawk Pension Plan · Sponsored by National Grid USA Service Company, Inc. · New York · Utilities

$1.2B in assets, 3,535 participants

National Grid USA Service Company, Inc.'s Niagara Mohawk Pension Plan reported $1.2B in total assets and 3,535 participants in its 2022 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.

  • 99th percentile by assets (of 139,126 plans)
  • #669 in Utilities (738 peers)

Coverage in New York

Niagara Mohawk Pension Plan covers 3,535 participants in New York, 4.4x the typical New York plan (state average ~798 per filing). Assets: $1.2B.

$1.2B
total plan assets (2022 EOY)
3,535
covered participants
99th
percentile by assets (of 139,126 plans)
$325,959
avg assets per participant

The plan reported a net loss of $960M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
Industry

Participants vs New York filers

In New York, the average filing covers about 798 participants across 9,061 plans. Niagara Mohawk Pension Plan reports 3,535 participants - 4.4x that state average ($1.2B EOY assets).

New York filing particulars

Total Assets (Beginning of Year)$2.1B
Net Assets (End of Year)$1.1B
Net Income-$960M
Employer EIN041663150
Plan Effective Date1955-01-01
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 Defined Benefit (Pension) Plans in New York

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

Niagara Mohawk Pension Plan vs. nearby Defined Benefit (Pension) plans in New York, assets vs. participants

Niagara Mohawk Pension Plan vs. nearby Defined Benefit (Pension) plans in New York, assets vs. participants Scatter plot of 6 data points. 05000100001500020000 -100102030 Total assets ($B) Participants Niagara Mohawk Pensi…IBM Personal Pension…Consolidated Edison …Pepsico Employees Re…New York State Nurse…New York District Co…
Niagara Mohawk Pension Plan vs. nearby Defined Benefit (Pension) plans in New York, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Niagara Mohawk Pension Plan by total assets, not by location.

Frequently Asked Questions

How did Niagara Mohawk Pension Plan assets move in 2022?
Niagara Mohawk Pension Plan contracted severely - down 46.2% during 2022, from $2.1B to $1.2B. Reported net income was -$960M.
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 Niagara Mohawk Pension Plan rank by assets among Form 5500 filers?
Niagara Mohawk Pension Plan ranks in the 99th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Niagara Mohawk Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Retirement Plan for Employees of Southwest Gas Corporation in NV ($1.2B, 2,168 participants).

Next read for Niagara Mohawk Pension Plan

Filing takeaways

Ways to act on Niagara Mohawk Pension Plan's numbers.

  • By total assets, Niagara Mohawk Pension Plan ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) 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