MASSACHUSETTS ELECTRIC COMPANY
Summary
MASSACHUSETTS ELECTRIC COMPANY is registered in the United States. Its legal form is Domestic Business Corporation (Company). According to GLEIF, its ultimate parent is NATIONAL GRID PLC (United Kingdom), and its direct parent is NATIONAL GRID USA (United States). That group has 26 subsidiaries with LEIs in 2 countries, 10 of them in the United States. The LEI was first issued on 11 Nov 2020 and the record was last updated on 5 Aug 2026; the next renewal is due by 14 Aug 2027. GLEIF's ISIN mapping lists 66 ISINs for this LEI.
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
No data-quality notes for this entity in this data release.
Company details
| Legal form | Domestic Business Corporation (Company) |
|---|---|
| Register | · Register website |
| Registration number | 041988940 |
| Registration authority | Corporations Division (Secretary of the Commonwealth's Office) |
| Jurisdiction | United States (US-MA) |
| Registered address | C/O CORPORATION SERVICE COMPANY, 84 STATE STREET, 02109 BOSTON, United States |
| Headquarters address | 170 Data Drive, 02451 Waltham, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 6 Jul 1887 |
| LEI | 549300XN8GZY5U5O1B96 |
| LEI status | active |
| LEI first issued | 11 Nov 2020 |
| LEI record last updated | 5 Aug 2026 |
| Next LEI renewal | 14 Aug 2027 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Relationship to the parent
| Direct parent | Ultimate parent | |
|---|---|---|
| Parent | NATIONAL GRID USA | NATIONAL GRID PLC |
| Accounting period | 1 Apr 2024 to 31 Mar 2025 | 1 Apr 2024 to 31 Mar 2025 |
| Evidence | other official documents | other official documents |
| Corroboration | supplied by the entity only | supplied by the entity only |
| Relationship start | 10 Nov 2020 | 10 Nov 2020 |
| Recorded at GLEIF since | 11 Nov 2020 | 11 Nov 2020 |
| Last updated | 5 Aug 2025 | 5 Aug 2025 |
| Record status | current | current |
Other subsidiaries of the same direct parent (2)
- KEYSPAN GAS EAST CORPORATION United States
- NEW ENGLAND POWER COMPANY United States
ISINs mapped to this LEI (66)
US5756342094 · US5756343084 · US5756345063 · US5756346053 · US5756347044 · US5756348034 · US5756348869 · US575634AS94 · US575634AT77 · US575634AU41
66 in the GLEIF–ANNA mapping file; first 10 shown. The file covers ISINs issued since the mapping started, not all securities.
Other names
- WORCESTER COUNTY ELECTRIC COMPANY · previous name
- WEBSTER AND SOUTHBRIDGE GAS AND ELECTRIC COMPANY · previous name
- WEBSTER ELECTRIC COMPANY · previous name