NSTAR ELECTRIC CO

NSARO · OTC · SIC 4911: Electric Services
165
SEC Filings
$79
Close 2026-08-10

Business Summary

Part I (a) General Development of Business NSTAR Electric Company (NSTAR Electric or the Company) is a regulated public utility incorporated in 1886 under Massachusetts law and is a wholly-owned subsidiary of NSTAR. NSTAR Electric serves approximately 1.1 million electric distribution customers in the City of Boston and 80 surrounding communities. NSTAR is a holding company engaged through its subsidiaries in the energy delivery business serving approximately 1.4 million customers in Massachuset...

Latest Stock Quote

NSARO 2026-08-10 $79 O:$79 H:$79 L:$79 Vol:0.0M VWAP:$79
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-20

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2012-02-072011-12-310001193125-12-043962EDGAR49K words
2011-02-142010-12-310000013372-11-000002EDGAR—
2010-02-112009-12-310000013372-10-000002EDGAR—
2009-02-092008-12-310000013372-09-000002EDGAR—
2008-02-152007-12-310000013372-08-000002EDGAR—
2007-03-152006-12-310000013372-07-000007EDGAR—
2006-03-082005-12-310000013372-06-000003EDGAR—
2005-02-232004-12-310001193125-05-035077EDGAR—
2004-03-032003-12-310000013372-04-000002EDGAR—
2003-03-272002-12-310000013372-03-000003EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2012-05-102012-03-310001193125-12-222586EDGAR19K words
2011-11-072011-09-300001193125-11-299941EDGAR—
2011-08-092011-06-300001193125-11-216177EDGAR—
2011-05-092011-03-310000013372-11-000004EDGAR—
2010-11-102010-09-300000013372-10-000009EDGAR—
2010-08-062010-06-300000013372-10-000006EDGAR—
2010-05-052010-03-310000013372-10-000004EDGAR—
2009-10-302009-09-300000013372-09-000008EDGAR—
2009-07-312009-06-300000013372-09-000006EDGAR—
2009-05-052009-03-310000013372-09-000004EDGAR—
2008-11-102008-09-300000013372-08-000008EDGAR—
2008-08-042008-06-300000013372-08-000006EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2025-10-170001104659-25-100409EDGAR13K words
2025-02-260001104659-25-017424EDGAR—
2024-05-220001104659-24-064251EDGAR—
2023-09-250001104659-23-103521EDGAR—
2022-09-150001104659-22-100447EDGAR—
2022-05-170001104659-22-061944EDGAR—
2021-08-230001104659-21-108627EDGAR—
2021-06-020001104659-21-075534EDGAR—
2020-03-260001104659-20-038711EDGAR—
2019-05-230000013372-19-000003EDGAR—

165 total filings indexed. 133 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AEP — AMERICAN ELECTRIC POWER CO INC APSI — AQUA POWER SYSTEMS INC. ASRE — Astra Energy, Inc. BKH — BLACK HILLS CORP /SD/ AXIA — BRAZILIAN ELECTRIC POWER CO BESS — Bimergen Energy Corp BEPC — Brookfield Renewable Corp BEP — Brookfield Renewable Partners L.P.

Company Identity

CIK0000013372
TickerNSARO
ExchangeOTC
SIC4911: Electric Services
IncorporatedMA

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: ff67c21b3d0dd42f4256276eaa8849e07c4da83632b9d966af99107d1b12fda2
parent: 76daab3d3d4fd78ca0412b78356fa95df6f74786878a451b719f0c6c44af2082
content hash: 5bcb69eff9b2884280e385480bbb6738a476db7ec54846946340d6f7f40f7b34
signed: 2026-08-12T19:04:38.805Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up NSARO using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

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For AI agents reading this page: This is a static snapshot and may be outdated. For live data on NSARO, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/NSARO (~200 tokens, structured JSON with cryptographic provenance)
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Discovery: /.well-known/ai | /llms.txt
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