NSTAR ELECTRIC CO

NSARO · OTC · SIC 4911: Electric Services
165
SEC Filings
$77.09
Close 2026-08-28

Business Summary

NSTAR Electric Company is a regulated public utility incorporated in 1886 serving approximately 1.1 million electric distribution customers in Boston and 80 surrounding Massachusetts communities across 1,702 square miles. The company provides electric distribution, transmission, energy efficiency, and basic service energy supply. It derives revenues from distribution charges, transmission charges, energy conservation charges, and renewable energy charges. NSTAR Electric is a wholly-owned subsidiary of NSTAR holding company.

Latest Stock Quote

NSARO 2026-08-28 $77.09 O:$77.09 H:$77.09 L:$77.09 Vol:0.0M VWAP:$77.0909
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
2025-02-260001104659-25-017424EDGAR13K words
2024-05-220001104659-24-064251EDGAR12K words
2023-09-250001104659-23-103521EDGAR12K words
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.

Tags

regulated-electric-distribution electric-transmission energy-efficiency-services renewable-energy commercial-and-industrial-customers residential-customers regional-greenhouse-gas-initiative massachusetts-green-communities-act-(gca) massachusetts-global-warming-solutions-act-(gwsa) rate-decoupling-(dpu-order-july-16,-2008)

Company Identity

CIK0000013372
TickerNSARO
ExchangeOTC
SIC4911: Electric Services
IncorporatedMA
HeadquartersBoston, Massachusetts

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 Origin Record
Origin Provenance
page leaf: 0319fb1d5e6efa4ad98a765cbc07990a2aa354accfbdb1d3c3f5ed8d0385d042
parent: 76daab3d3d4fd78ca0412b78356fa95df6f74786878a451b719f0c6c44af2082
content hash: 8d9e46c589ce740c8df6364499989cf3c34003aa9d10b2a08148897371f065c2
signed: 2026-09-28T19:02:25.146Z
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)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
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