Defined Benefit (Pension) · DOL Form 5500 · 2024

National Grid USA Service Company, Inc. Pension Plan

Data updated 2026-07-24

$1.2B
Total assets: 3,648
Participants: 99th
Percentile by assets: $320,081
Avg per participant

Official DOL plan name: Niagara Mohawk Pension Plan · Sponsored by National Grid USA Service Company, Inc. · New York · Utilities

$1.2B in assets, 3,648 participants

National Grid USA Service Company, Inc.'s Niagara Mohawk Pension Plan reported $1.2B in total assets and 3,648 participants in its 2024 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 116,472 plans)

Coverage in New York

Niagara Mohawk Pension Plan covers 3,648 participants in New York, 4.6x the typical New York plan (state average ~795 per filing). Assets: $1.2B.

$1.2B
total plan assets (2024 EOY): 3,648
covered participants: 99th
percentile by assets (of 116,472 plans): $320,081
avg assets per participant

Niagara Mohawk Pension Plan reported net income fell from $43M in the plan year 2023 filing to $3M in the plan year 2024 filing.
Niagara Mohawk Pension Plan end-of-year assets rose from $1.1B in the plan year 2023 filing to $1.2B in the plan year 2024 filing.
Niagara Mohawk Pension Plan reported participants rose from 3,577 in the plan year 2023 filing to 3,648 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

New York

Industry

Utilities

Participants vs New York filers

In New York, the average filing covers about 795 participants across 8,491 plans. Niagara Mohawk Pension Plan reports 3,648 participants - 4.6x that state average ($1.2B EOY assets).

New York filing particulars

Total Assets (Beginning of Year)	$1.1B
Net Assets (End of Year)	$1.1B
Net Income	$3M
Employer EIN	041663150
Plan Effective Date	1955-01-01
Filing Status	FILING RECEIVED

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

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

IBM Personal Pension Plan $17.9B · 48,014
1199seiu Health Care Employees Pension Fund $16.9B · 111,833
Consolidated Edison Retirement Plan $15.6B · 10,608
Pfizer Consolidated Pension Plan $10.0B · 8,876
GE Energy Pension Plan $8.9B · 5,829

Compare Niagara Mohawk Pension Plan side-by-side with 3 peers →

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.

Oregon Retail Employees Pension Plan (OR) $1.2B · 21,971
Construction Laborers Pension Trust of Greater St. (MO) $1.2B · 3,608
Kinder Morgan Retirement Plan a (TX) $1.2B · 3,110
Ufcw Intl Union Pension Plan for Employees (DC) $1.2B · 2,113

Frequently Asked Questions

How did Niagara Mohawk Pension Plan assets move in 2024? ▼

Niagara Mohawk Pension Plan edged up modestly - up 2.2% during 2024, from $1.1B to $1.2B. Reported net income was $3M.

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 116,472 plans that reported assets for plan year 2024 (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 Oregon Retail Employees Pension Plan in OR ($1.2B, 21,971 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

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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.