Eversource Energy Service 401(k) and pension plans

Eversource Energy Service Company, Hartford, CT. EIN 06-0810627. Annual reports 2009–2024. Also filed as Northeast Utilities Service Company; Nstar; Nstar LLC; Bay State Gas Company.

Eversource Energy Service Company has 2 active retirement plans on file. The largest is the Eversource Pension Plan, with 17,796 participants and $5.8 billion in assets in 2024.

Active plans
2
Participants
32,354
Plan assets
$9.8 billion
401(k) recordkeeper
Fidelity
Plans on file
7
Industry
Utilities

All 7 plans

Active plans first

Eversource Pension Plan

Pension (defined benefit)Active

Active. The plan filed its annual report for the 2024 plan year.

Plan number
006Employer EIN 06-0810627
Participants (2024)
17,796
Net assets (2024)
$5.8 billion
Plan administrator
Executive Vice President, Human Resources & Information Technology
P.O. Box 270
Hartford, CT 06141
(800) 841-8684As filed for 2024
In effect since
January 1, 1938

Plans merged into this one: Eversource Retirement Plan Fka Northeast Utilities Service Co Retirement Plan (2014); Bay State Gas Company Pension Plan (2020); Bay State Union Pension Plan (2020).

Earlier sponsors: Nstar (2009–2012); Northeast Utilities Service Company (2013).

Earlier plan names: Nstar Pension Plan; Eversource Pension Plan Fka Nstar Pension Plan.

Year by year, 2009 to 2024
Plan yearParticipantsNet assetsRecordkeeper
202417,796$5.8 billionnot listed
202318,215$5.9 billionnot listed
202218,678$5.9 billionnot listed
202119,331$6.6 billionnot listed
202019,748$5.6 billionnot listed
201919,260$5.1 billionnot listed
201819,489$4.7 billionnot listed
201719,971$5.0 billionnot listed
201620,249$4.3 billionnot listed
201520,561$4.1 billionnot listed
201423,415$4.4 billionnot listed
20136,834$1.3 billionnot listed
20126,894$1.2 billionnot listed
20116,857$1.1 billionnot listed
20106,937$999 millionnot listed
20097,014$923 millionnot listed

Eversource 401K Plan

401(k) with ESOPActive

Active. The plan filed its annual report for the 2024 plan year.

Plan number
005Employer EIN 06-0810627
Participants (2024)
14,558
Net assets (2024)
$4.0 billion
Recordkeeper
Fidelity2009–2024
Plan administrator
Executive Vice President, Human Resources & Information Technology
Po Box 270
Hartford, CT 06141
(800) 841-8684As filed for 2024
In effect since
January 1, 1985

Plans merged into this one: Nstar Savings Plan (2013); Eversource Gas Company of Massachusetts 401K Plan (2020).

Earlier sponsor: Northeast Utilities Service Company (2009–2013).

Earlier plan names: Northeast Utilities Service Company 401K Plan; Eversource 401K Plan Fka Northeast Utilities Service Company 401K Plan.

Year by year, 2009 to 2024
Plan yearParticipantsNet assetsRecordkeeper
202414,558$4.0 billionFidelity
202314,250$3.8 billionFidelity
202213,788$3.6 billionFidelity
202113,264$4.4 billionnot listed
202013,107$4.0 billionFidelity
201912,038$3.6 billionFidelity
201811,805$3.0 billionFidelity
201711,830$3.2 billionFidelity
201611,967$2.8 billionFidelity
201512,390$2.8 billionFidelity
201412,822$2.9 billionFidelity
201313,071$2.7 billionFidelity
201210,023$1.5 billionFidelity
201110,646$1.4 billionFidelity
201011,347$1.3 billionFidelity
200912,218$1.2 billionFidelity

Bay State Gas Company Pension Plan

Cash balance pensionMerged

Merged. In 2020 its assets moved to the Eversource Pension Plan, sponsored by Eversource Energy Service Company (EIN 06-0810627, plan 006). Accounts moved with them, so that plan is the one to contact.

Plan number
008Employer EIN 06-0810627
Participants (2019)
411
Net assets (2019)
$39.8 million
Last listed administrator
Alight2009
Plan administrator
Executive Vice President, Human Resources & Information Technology
P.O. Box 270
Hartford, CT 06141
(800) 841-8684As filed for 2020
In effect since
January 1, 1978

Earlier sponsor: Bay State Gas Company (2009–2019).

Year by year, 2009 to 2020
Plan yearParticipantsNet assetsRecordkeeper
20200$0not listed
2019411$39.8 millionnot listed
2018428$36.5 millionnot listed
2017451$45.1 millionnot listed
2016436$41.7 millionnot listed
2015458$37.5 millionnot listed
2014398$41.5 millionnot listed
2013461$41.1 millionnot listed
2012537$38.1 millionnot listed
2011456$39.1 millionnot listed
2010462$38.1 millionnot listed
2009364$32.5 millionAlight

Bay State Union Pension Plan

Cash balance pensionMerged

Merged. In 2020 its assets moved to the Eversource Pension Plan, sponsored by Eversource Energy Service Company (EIN 06-0810627, plan 006). Accounts moved with them, so that plan is the one to contact.

Plan number
010Employer EIN 06-0810627
Participants (2019)
505
Net assets (2019)
$86.4 million
Last listed administrator
Alight2009
Plan administrator
Executive Vice President, Human Resources & Information Technology
P.O. Box 270
Hartford, CT 06141
(800) 841-8684As filed for 2020
In effect since
January 1, 1981

Earlier sponsor: Bay State Gas Company (2009–2019).

Earlier plan names: The Bay State Union Pension Plan.

Year by year, 2009 to 2020
Plan yearParticipantsNet assetsRecordkeeper
20200$0not listed
2019505$86.4 millionnot listed
2018534$77.2 millionnot listed
2017563$92.3 millionnot listed
2016663$82.3 millionnot listed
2015662$66.6 millionnot listed
2014652$75.1 millionnot listed
2013681$74.8 millionnot listed
2012711$59.8 millionnot listed
2011615$53.8 millionnot listed
2010652$51.8 millionnot listed
2009625$42.5 millionAlight

Eversource Gas Company of Massachusetts 401K Plan

401(k) with ESOPMerged

Merged. In 2020 its assets moved to the Eversource 401K Plan, sponsored by Eversource Energy Service Company (EIN 06-0810627, plan 005). Accounts moved with them, so that plan is the one to contact.

Plan number
007Employer EIN 06-0810627
Plan administrator
Executive Vice President, Human Resources & Information Technology
P.O. Box 270
Hartford, CT 06141
(800) 841-8684As filed for 2020
In effect since
October 9, 2020

Eversource Retirement Plan Fka Northeast Utilities Service Co Retirement Plan

Pension (defined benefit)Merged

Merged. In 2014 its assets moved to the Eversource Pension Plan, sponsored by Eversource Energy Service Company (EIN 06-0810627, plan 006). Accounts moved with them, so that plan is the one to contact.

Plan number
001Employer EIN 06-0810627
Participants (2013)
16,943
Net assets (2013)
$2.9 billion
Plan administrator
SR. Vice President-Human Resources
P.O. Box 270
Hartford, CT 06141
(860) 665-5760As filed for 2014
In effect since
July 1, 1966

Earlier sponsor: Northeast Utilities Service Company (2009–2013).

Earlier plan names: Northeast Utilities Service Company Retirement Plan.

Year by year, 2009 to 2014
Plan yearParticipantsNet assetsRecordkeeper
20140$0not listed
201316,943$2.9 billionnot listed
201217,144$2.5 billionnot listed
201117,355$2.1 billionnot listed
201017,505$2.1 billionnot listed
200917,768$1.8 billionnot listed

Nstar Savings Plan

401(k)Merged

Merged. In 2013 its assets moved to the Northeast Utilities Service Company 401K Plan, sponsored by Eversource Energy Service Company (EIN 06-0810627, plan 005). Accounts moved with them, so that plan is the one to contact.

Plan number
003Employer EIN 06-0810627
Participants (2012)
3,610
Net assets (2012)
$962 million
Recordkeeper
Fidelity2009–2013
Plan administrator
SR. Vice President-Human Resources
P.O. Box 270
Hartford, CT 06141
(781) 441-8760As filed for 2013
In effect since
January 1, 1986

Earlier sponsor: Nstar (2009–2012).

Year by year, 2009 to 2013
Plan yearParticipantsNet assetsRecordkeeper
20130$0Fidelity
20123,610$962 millionFidelity
20113,739$882 millionFidelity
20103,678$845 millionFidelity
20093,807$751 millionFidelity

If you had money in one of these plans

  1. Call Fidelity (fidelity.com), which runs the Eversource 401K Plan. With your Social Security number and the plan name, it can tell you whether you still have a balance and, if not, where it went.
  2. Or call the plan administrator listed on the plan below ((800) 841-8684). That number was filed for 2024; ask for the benefits or retirement plan office.
  3. If your plan was merged, your account moved with it. Follow the link on the plan to the plan it went into, and contact that one.
  4. Still stuck? The Department of Labor's benefits advisers help for free: askebsa.dol.gov or 1-866-444-3272. Never pay anyone to find your own money.

What these numbers are

Sources: U.S. Department of Labor, Form 5500 datasets and PBGC trusteed plans. How we read them.

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