NNSTAR ELECTRIC CO logo

Company dossier

NSTAR ELECTRIC CO

Ticker NSAROCIK 0000013372SIC 4911Electric Services

Exchange

OTC

Entity type

operating

Fiscal year end

Dec 31

Headquarters

MA

Company overview

NSTAR ELECTRIC CO

NSTAR ELECTRIC CO, operating under the ticker NSARO and once aligned with the traditional electric utility SIC codes, delivers resilient transmission and distribution networks, metering technology, and related maintenance services designed for municipalities, commercial real estate portfolios, and industrial campuses that rely on consistent power delivery; the firm’s integrated crews, engineering design teams, and operational technology stack aim to support large energy users with reliability commitments and demand-response coordination, while regulatory and environmental scrutiny—as well as weather, cybersecurity, and rate-setting risk factors—shape investment and capital-planning choices; recent disclosures are not yet available, so the latest filing status remains pending, but stakeholders can still rely on public filings to track progress; CIK 13372 anchors the company’s compliance footprint, and investors watching North American grid operators may follow its developments via the ticker; see live SEC filings on Earnings Feed.

Source: Earnings Feed research · last updated 11/24/2025

Last trade

$79.85

+$0.73 (+0.923%)

Ticker

NSARO

Prev close

$79.12

Range (28d)

$78.50 – $79.85

Updated

Nov 24, 9:30 AM ET
$78.50$79.00$79.50$80.00Oct 27Nov 5Nov 13Nov 24

Recent filings

Latest submissions
8 items

Monitoring

Insider owner filings
No
Insider issuer filings
No
Tickers on record
2

Ticker roster

Addresses

  • business

    800 BOYLSTON ST P1600

    BOSTON, MA, 02199

  • mailing

    800 BOYLSTON ST P1600

    BOSTON, MA, 02199

Former names

  • BOSTON EDISON CO

    1994-08-122007-01-05