UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): ~~September~~May 2522, ~~2023~~2024

NSTAR ELECTRIC COMPANY

(Exact name of registrant as specified in its charter)

Massachusetts

1-02301

04-1278810

(State or other jurisdiction

of organization)

(Commission File Number)

(I.R.S. Employer

Identification No.)

800 Boylston Street

Boston, Massachusetts

02199

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (800) 286-5000

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
None	None	None

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Section 2

Financial Information

Item 2.03

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

On ~~September~~May 2522, ~~2023~~2024, ~~NSTAR~~ NSTAR Electric Company, doing business as Eversource Energy (“NSTAR Electric”), issued $~~150~~600,000,000 aggregate principal amount of of its 5.6040% Debentures due ~~2028~~2034 (“Debentures”) pursuant to an Underwriting Agreement, dated ~~September~~May 1820, ~~2023~~2024, between ~~NSTAR~~ NSTAR Electric and BofA Securities, Inc., ~~Goldman~~Mizuho ~~Sachs &~~Securities ~~Co.~~USA LLC, PNC Capital Markets LLC, RBC Capital Markets, LLC and TD Wells Fargo Securities, ~~(USA)~~ LLC, as representatives of the several underwriters named therein. The Debentures were issued under an indenture dated as as of September 1, 1988, between NSTAR Electric (formerly Boston Edison Company) and The Bank of New York Mellon Trust Company, N.A., formerly known as The Bank of New York Trust Company, N.A. (as successor to The Bank of New York, as successor to Bank of Montreal Trust Company), as trustee. NSTAR Electric has registered its Debentures with the U.S. Securities and Exchange Commission under the Securities Act of 1933, as amended, pursuant to a Registration Statement on Form S-3 (Commission File No. 333-264278-02).

The Debentures mature on ~~October~~June 1, ~~2028~~2034 and bear interest at 5.6040%, payable semi-annually on each ~~April~~June 1 and ~~October~~December 1, commencing on ~~April~~December 1, 2024. Interest on the Debentures will accrue from ~~September~~May 2522, ~~2023~~2024 and will be computed on the basis of a 360-day year consisting of twelve 30-day months.

Section 9

Financial Statements and Exhibits

Item 9.01

Financial Statements and Exhibits.

(d)

Exhibits.

Exhibit Number		Description
1.1		Underwriting Agreement, dated ~~September~~May 1820, ~~2023~~2024, between NSTAR Electric Company, doing business as Eversource Energy, and BofA Securities, Inc., ~~Goldman~~Mizuho ~~Sachs~~Securities &USA ~~Co.~~ LLC, PNC Capital Markets LLC, RBC Capital Markets, LLC and TDWells Fargo Securities, ~~(USA)~~ LLC, as representatives of the several Underwriters named therein.
4.1		Form of 5.6040% Debenture due ~~2028~~2034.
5.1		Legal opinion of Ropes & Gray LLP relating to the validity of the Debentures.
23.1		Consent of Ropes & Gray LLP (included in Exhibit 5.1).
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	NSTAR ELECTRIC COMPANY
	(Registrant)
September 25, 2023	By:	/s/ Emilie G. O’Neil
May 22, 2024	By:	/s/ Emilie G. O’Neil
		Emilie G. O’Neil
		Assistant Treasurer-Corporate Finance and Cash Management

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