| Company Name: | NATIONAL GRID USA SERVICE COMPANY, INC. |
| Employer identification number (EIN): | 041663150 |
| NAIC Classification: | 221100 |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2010-10-15 | |||||
| Date last seen: 2018-10-10 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-07-31 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
| |||||
| Date first seen: 2010-10-12 | |||||
| Date last seen: 2018-10-10 | |||||
| USA Mailing Address | ||||||
|---|---|---|---|---|---|---|
| ||||||
| Date first seen: 2007-01-01 | ||||||
| Date last seen: 2026-01-08 | ||||||
| Date | Description |
|---|---|
| 2024-10-10 | 041663150 Change of plan name detected from KEYSPAN BENEFIT PLAN FOR RETIRED BOSTON GAS COMPANY UNION EMPLOYEES to NATIONAL GRID BENEFIT PLAN FOR CERTAIN RETIRED MANAGEMENT AND UNION EMPLOYEES OF MASSACHUSETTS GAS COMPANIES for plan ID 566 |
| 2024-10-10 | 041663150 Change of plan name detected from KEYSPAN BENEFIT PLAN FOR RETIRED WEST MANAGEMENT EMPLOYEES to NATIONAL GRID BENEFIT PLAN FOR CERTAIN RETIRED MANAGEMENT EMPLOYEES OF NEW YORK COMPANIES for plan ID 544 |
| Date | Type of contribution | Contribution | Number of participants/employees | Average contribution per participant | |
|---|---|---|---|---|---|
| 2023-02-16 | Employer Contributions | $ 5,253,250 | 1 | $ 5,253,250 | |
| 2023-02-16 | Employee Contributions | $ 5,253,250 | 1 | $ 5,253,250 | |
| 2022-10-27 | Employer Contributions | $ 5,253,250 | 3577 | $ 1,469 | |
| 2022-10-27 | Employee Contributions | $ 5,253,250 | 3577 | $ 1,469 | |
| 2022-07-15 | Employer Contributions | $ 421,000 | 3577 | $ 118 | |
| 2022-07-15 | Employee Contributions | $ 421,000 | 3577 | $ 118 | |
| 2022-07-14 | Employer Contributions | $ 5,253,250 | 3577 | $ 1,469 | |
| 2022-07-14 | Employee Contributions | $ 5,253,250 | 3577 | $ 1,469 | |
| 2022-05-19 | Employer Contributions | $ 5,674,250 | 3577 | $ 1,586 | |
| 2022-05-19 | Employee Contributions | $ 5,674,250 | 3577 | $ 1,586 | |
| 2022-02-16 | Employer Contributions | $ 13,249,500 | 3577 | $ 3,704 | |
| 2022-02-16 | Employee Contributions | $ 13,249,500 | 3577 | $ 3,704 | |
| 2022-02-15 | Employer Contributions | $ 8,436,707 | 3577 | $ 2,359 | |
| 2022-02-15 | Employee Contributions | $ 8,436,707 | 3577 | $ 2,359 | |
| 2021-10-14 | Employer Contributions | $ 8,436,707 | 1 | $ 8,436,707 | |
| 2021-10-14 | Employee Contributions | $ 8,436,707 | 1 | $ 8,436,707 | |
| 2021-07-15 | Employer Contributions | $ 8,436,707 | 1 | $ 8,436,707 | |
| 2021-07-15 | Employee Contributions | $ 8,436,707 | 1 | $ 8,436,707 | |
| 2021-04-15 | Employer Contributions | $ 8,436,707 | 1 | $ 8,436,707 | |
| 2021-04-15 | Employee Contributions | $ 8,436,707 | 1 | $ 8,436,707 | |
| 2020-07-31 | Employer Contributions | $ 9,209,000 | 1 | $ 9,209,000 | |
| 2020-07-31 | Employee Contributions | $ 9,209,000 | 1 | $ 9,209,000 | |
| 2020-02-14 | Employer Contributions | $ 11,495,250 | 1 | $ 11,495,250 | |
| 2020-02-14 | Employee Contributions | $ 11,495,250 | 1 | $ 11,495,250 | |
| 2019-12-18 | Employer Contributions | $ 11,495,250 | 2842 | $ 4,045 | |
| 2019-12-18 | Employee Contributions | $ 11,495,250 | 2842 | $ 4,045 | |
| 2019-07-31 | Employer Contributions | $ 11,495,250 | 2842 | $ 4,045 | |
| 2019-07-31 | Employee Contributions | $ 11,495,250 | 2842 | $ 4,045 | |
| 2019-06-28 | Employer Contributions | $ 11,495,250 | 2842 | $ 4,045 | |
| 2019-06-28 | Employee Contributions | $ 11,495,250 | 2842 | $ 4,045 | |
| 2018-01-31 | Employer Contributions | $ 17,481,250 | 3622 | $ 4,826 | |
| 2018-01-31 | Employee Contributions | $ 17,481,250 | 3622 | $ 4,826 | |
| 2017-10-31 | Employer Contributions | $ 11,919,000 | 1 | $ 11,919,000 | |
| 2017-10-31 | Employee Contributions | $ 11,919,000 | 1 | $ 11,919,000 | |
| 2017-10-06 | Employer Contributions | $ 11,919,000 | 1 | $ 11,919,000 | |
| 2017-10-06 | Employee Contributions | $ 11,919,000 | 1 | $ 11,919,000 | |
| 2017-06-30 | Employer Contributions | $ 17,481,250 | 1 | $ 17,481,250 | |
| 2017-06-30 | Employee Contributions | $ 17,481,250 | 1 | $ 17,481,250 | |
| 2017-01-31 | Employer Contributions | $ 9,390,250 | 1 | $ 9,390,250 | |
| 2017-01-31 | Employee Contributions | $ 9,390,250 | 1 | $ 9,390,250 | |
| 2016-10-31 | Employer Contributions | $ 16,227,000 | 1 | $ 16,227,000 | |
| 2016-10-31 | Employee Contributions | $ 16,227,000 | 1 | $ 16,227,000 | |
| 2016-07-29 | Employer Contributions | $ 16,227,000 | 1 | $ 16,227,000 | |
| 2016-07-29 | Employee Contributions | $ 16,227,000 | 1 | $ 16,227,000 | |
| 2016-06-30 | Employer Contributions | $ 16,227,000 | 1 | $ 16,227,000 | |
| 2016-06-30 | Employee Contributions | $ 16,227,000 | 1 | $ 16,227,000 | |
| 2016-02-01 | Employer Contributions | $ 2,040,750 | 1 | $ 2,040,750 | |
| 2016-02-01 | Employee Contributions | $ 2,040,750 | 1 | $ 2,040,750 | |
| 2016-01-29 | Employer Contributions | $ 6,485,250 | 1 | $ 6,485,250 | |
| 2016-01-29 | Employee Contributions | $ 6,485,250 | 1 | $ 6,485,250 | |
| 2015-10-29 | Employer Contributions | $ 8,526,000 | 1 | $ 8,526,000 | |
| 2015-10-29 | Employee Contributions | $ 8,526,000 | 1 | $ 8,526,000 | |
| 2015-07-31 | Employer Contributions | $ 8,526,000 | 1 | $ 8,526,000 | |
| 2015-07-31 | Employee Contributions | $ 8,526,000 | 1 | $ 8,526,000 | |
| 2015-06-29 | Employer Contributions | $ 15,450,535 | 1 | $ 15,450,535 | |
| 2015-06-29 | Employee Contributions | $ 15,450,535 | 1 | $ 15,450,535 | |
| 2015-04-30 | Employer Contributions | $ 8,526,000 | 1 | $ 8,526,000 | |
| 2015-04-30 | Employee Contributions | $ 8,526,000 | 1 | $ 8,526,000 | |
| 2014-12-12 | Employer Contributions | $ 2,318,000 | 1 | $ 2,318,000 | |
| 2014-12-12 | Employee Contributions | $ 2,318,000 | 1 | $ 2,318,000 | |
| 2014-10-14 | Employer Contributions | $ 13,744,750 | 1 | $ 13,744,750 | |
| 2014-10-14 | Employee Contributions | $ 13,744,750 | 1 | $ 13,744,750 | |
| 2014-07-14 | Employer Contributions | $ 13,744,750 | 1 | $ 13,744,750 | |
| 2014-07-14 | Employee Contributions | $ 13,744,750 | 1 | $ 13,744,750 | |
| 2014-05-19 | Employer Contributions | $ 13,744,750 | 1 | $ 13,744,750 | |
| 2014-05-19 | Employee Contributions | $ 13,744,750 | 1 | $ 13,744,750 | |
| 2013-12-13 | Employer Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-12-13 | Employee Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-10-11 | Employer Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-10-11 | Employee Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-07-12 | Employer Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-07-12 | Employee Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-05-31 | Employer Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-05-31 | Employee Contributions | $ 22,784,250 | 13 | $ 1,752,635 | |
| 2013-03-28 | Employer Contributions | $ 4,000,000 | 13 | $ 307,692 | |
| 2013-03-28 | Employee Contributions | $ 4,000,000 | 13 | $ 307,692 | |
| 2013-02-28 | Employer Contributions | $ 4,000,000 | 13 | $ 307,692 | |
| 2013-02-28 | Employee Contributions | $ 4,000,000 | 13 | $ 307,692 | |
| 2013-01-30 | Employer Contributions | $ 4,200,000 | 13 | $ 323,077 | |
| 2013-01-30 | Employee Contributions | $ 4,200,000 | 13 | $ 323,077 | |
| 2013-01-14 | Employer Contributions | $ 8,500,000 | 13 | $ 653,846 | |
| 2013-01-14 | Employee Contributions | $ 8,500,000 | 13 | $ 653,846 | |
| 2012-12-28 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-12-28 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-12-10 | Employer Contributions | $ 13,507,000 | 10002 | $ 1,350 | |
| 2012-12-10 | Employee Contributions | $ 13,507,000 | 10002 | $ 1,350 | |
| 2012-11-29 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-11-29 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-10-29 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-10-29 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-10-12 | Employer Contributions | $ 22,007,000 | 10002 | $ 2,200 | |
| 2012-10-12 | Employee Contributions | $ 22,007,000 | 10002 | $ 2,200 | |
| 2012-09-28 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-09-28 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-08-30 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-08-30 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-07-27 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-07-27 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-07-13 | Employer Contributions | $ 22,007,000 | 10002 | $ 2,200 | |
| 2012-07-13 | Employee Contributions | $ 22,007,000 | 10002 | $ 2,200 | |
| 2012-06-29 | Employer Contributions | $ 291,000 | 10002 | $ 29 | |
| 2012-06-29 | Employee Contributions | $ 291,000 | 10002 | $ 29 | |
| 2012-06-28 | Employer Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-06-28 | Employee Contributions | $ 4,200,000 | 10002 | $ 420 | |
| 2012-05-23 | Employer Contributions | $ 8,400,000 | 10002 | $ 840 | |
| 2012-05-23 | Employee Contributions | $ 8,400,000 | 10002 | $ 840 | |
| 2012-04-27 | Employer Contributions | $ 4,203,482 | 10002 | $ 420 | |
| 2012-04-27 | Employee Contributions | $ 4,203,482 | 10002 | $ 420 | |
| 2012-04-13 | Employer Contributions | $ 22,250,000 | 10002 | $ 2,225 | |
| 2012-04-13 | Employee Contributions | $ 22,250,000 | 10002 | $ 2,225 | |
| 2012-03-30 | Employer Contributions | $ 1,657,806 | 10002 | $ 166 | |
| 2012-03-30 | Employee Contributions | $ 1,657,806 | 10002 | $ 166 | |
| 2012-03-29 | Employer Contributions | $ 9,000,000 | 10002 | $ 900 | |
| 2012-03-29 | Employee Contributions | $ 9,000,000 | 10002 | $ 900 | |
| 2012-02-28 | Employer Contributions | $ 9,000,000 | 10002 | $ 900 | |
| 2012-02-28 | Employee Contributions | $ 9,000,000 | 10002 | $ 900 | |
| 2012-01-30 | Employer Contributions | $ 9,000,000 | 10002 | $ 900 | |
| 2012-01-30 | Employee Contributions | $ 9,000,000 | 10002 | $ 900 | |
| 2011-12-29 | Employer Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-12-29 | Employee Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-12-28 | Employer Contributions | $ 2,255,000 | 8128 | $ 277 | |
| 2011-12-28 | Employee Contributions | $ 2,255,000 | 8128 | $ 277 | |
| 2011-12-02 | Employer Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-12-02 | Employee Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-10-28 | Employer Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-10-28 | Employee Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-10-14 | Employer Contributions | $ 20,000,000 | 8128 | $ 2,461 | |
| 2011-10-14 | Employee Contributions | $ 20,000,000 | 8128 | $ 2,461 | |
| 2011-09-29 | Employer Contributions | $ 8,000,000 | 8128 | $ 984 | |
| 2011-09-29 | Employee Contributions | $ 8,000,000 | 8128 | $ 984 | |
| 2011-08-30 | Employer Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-08-30 | Employee Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-07-28 | Employer Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-07-28 | Employee Contributions | $ 9,000,000 | 8128 | $ 1,107 | |
| 2011-07-14 | Employer Contributions | $ 7,250,000 | 8128 | $ 892 | |
| 2011-07-14 | Employee Contributions | $ 7,250,000 | 8128 | $ 892 | |
| 2011-06-28 | Employer Contributions | $ 10,000,000 | 8128 | $ 1,230 | |
| 2011-06-28 | Employee Contributions | $ 10,000,000 | 8128 | $ 1,230 | |
| 2011-05-27 | Employer Contributions | $ 10,000,000 | 8128 | $ 1,230 | |
| 2011-05-27 | Employee Contributions | $ 10,000,000 | 8128 | $ 1,230 | |
| 2011-04-28 | Employer Contributions | $ 10,000,000 | 8128 | $ 1,230 | |
| 2011-04-28 | Employee Contributions | $ 10,000,000 | 8128 | $ 1,230 | |
| 2011-04-14 | Employer Contributions | $ 20,000,000 | 8128 | $ 2,461 | |
| 2011-04-14 | Employee Contributions | $ 20,000,000 | 8128 | $ 2,461 | |
| 2011-03-30 | Employer Contributions | $ 15,000,000 | 8128 | $ 1,845 | |
| 2011-03-30 | Employee Contributions | $ 15,000,000 | 8128 | $ 1,845 | |
| 2011-02-25 | Employer Contributions | $ 15,000,000 | 8128 | $ 1,845 | |
| 2011-02-25 | Employee Contributions | $ 15,000,000 | 8128 | $ 1,845 | |
| 2011-01-28 | Employer Contributions | $ 15,000,000 | 8128 | $ 1,845 | |
| 2011-01-28 | Employee Contributions | $ 15,000,000 | 8128 | $ 1,845 | |
| 2010-12-29 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-12-29 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-11-29 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-11-29 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-10-28 | Employer Contributions | $ 20,000,000 | 8907 | $ 2,245 | |
| 2010-10-28 | Employee Contributions | $ 20,000,000 | 8907 | $ 2,245 | |
| 2010-09-29 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-09-29 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-08-30 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-08-30 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-07-29 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-07-29 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-07-14 | Employer Contributions | $ 20,000,000 | 8907 | $ 2,245 | |
| 2010-07-14 | Employee Contributions | $ 20,000,000 | 8907 | $ 2,245 | |
| 2010-06-29 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-06-29 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-05-27 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-05-27 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-04-29 | Employer Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-04-29 | Employee Contributions | $ 15,000,000 | 8907 | $ 1,684 | |
| 2010-04-15 | Employer Contributions | $ 20,000,000 | 8907 | $ 2,245 | |
| 2010-04-15 | Employee Contributions | $ 20,000,000 | 8907 | $ 2,245 | |
| 2010-03-30 | Employer Contributions | $ 18,000,000 | 8907 | $ 2,021 | |
| 2010-03-30 | Employee Contributions | $ 18,000,000 | 8907 | $ 2,021 | |
| 2010-02-25 | Employer Contributions | $ 18,000,000 | 8907 | $ 2,021 | |
| 2010-02-25 | Employee Contributions | $ 18,000,000 | 8907 | $ 2,021 | |
| 2010-01-27 | Employer Contributions | $ 18,000,000 | 8907 | $ 2,021 | |
| 2010-01-27 | Employee Contributions | $ 18,000,000 | 8907 | $ 2,021 | |
| 2010-01-14 | Employer Contributions | $ 9,000,000 | 8907 | $ 1,010 | |
| 2010-01-14 | Employee Contributions | $ 9,000,000 | 8907 | $ 1,010 | |
| 2009-12-30 | Employer Contributions | $ 18,312,173 | 5822 | $ 3,145 | |
| 2009-12-30 | Employee Contributions | $ 18,312,173 | 5822 | $ 3,145 | |
| 2009-11-25 | Employer Contributions | $ 15,000,000 | 5822 | $ 2,576 | |
| 2009-11-25 | Employee Contributions | $ 15,000,000 | 5822 | $ 2,576 | |
| 2009-10-30 | Employer Contributions | $ 15,000,000 | 5822 | $ 2,576 | |
| 2009-10-30 | Employee Contributions | $ 15,000,000 | 5822 | $ 2,576 | |
| 2009-10-15 | Employer Contributions | $ 9,000,000 | 5822 | $ 1,546 | |
| 2009-10-15 | Employee Contributions | $ 9,000,000 | 5822 | $ 1,546 | |
| 2009-09-30 | Employer Contributions | $ 1,900,806 | 5822 | $ 326 | |
| 2009-09-30 | Employee Contributions | $ 1,900,806 | 5822 | $ 326 | |
| 2009-09-29 | Employer Contributions | $ 15,000,000 | 5822 | $ 2,576 | |
| 2009-09-29 | Employee Contributions | $ 15,000,000 | 5822 | $ 2,576 | |
| 2009-07-30 | Employer Contributions | $ 9,000,000 | 5822 | $ 1,546 | |
| 2009-07-30 | Employee Contributions | $ 9,000,000 | 5822 | $ 1,546 | |
| 2009-03-26 | Employer Contributions | $ 20,000,000 | 5822 | $ 3,435 | |
| 2009-03-26 | Employee Contributions | $ 20,000,000 | 5822 | $ 3,435 |