[8-K] EVERSOURCE ENERGY Reports Material Event

Rhea-AI Filing Summary

Eversource Energy filed an 8-K to report that it issued a news release about a regulatory setback in Connecticut. The Connecticut Public Utilities Regulatory Authority decided to reject the proposed sale of Aquarion Water Company to the South Central Connecticut Regional Water Authority. The filing primarily informs investors that this decision has occurred and that further details are available in the attached news release dated November 21, 2025.

Insights

Utility sector and regulatory affairs analyst

Regulator rejected a planned Aquarion Water sale; details in attached release.

The disclosure explains that the Connecticut Public Utilities Regulatory Authority has rejected a proposed sale of Aquarion Water Company by Eversource Energy to the South Central Connecticut Regional Water Authority. This indicates that a previously planned transaction involving a water utility asset will not proceed as proposed, at least under current terms.

The filing itself does not quantify financial effects or describe next steps, such as potential appeals, restructuring of the deal, or alternative transactions. Any impact on Eversource’s balance sheet, strategy, or regulatory relationships would need to be assessed using the full news release and prior disclosures describing the transaction. Future company communications and filings may clarify whether Eversource will pursue modifications or other options in response to the rejection.

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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): November 21, 2025

EVERSOURCE ENERGY

(Exact name of registrant as specified in its charter)

Massachusetts		001-05324		04-2147929
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

300 Cadwell Drive, Springfield, Massachusetts, 01104

(Address of principal executive offices, including zip code)

(800) 286-5000

Registrant’s telephone number, including area code

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	Name of each exchange on which registered
Common Shares, $5.00 par value per share	ES	New York Stock Exchange

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

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 8 - Other Events

Item 8.01 Other Events.

On November 21, 2025, Eversource Energy issued a news release on the Connecticut Public Utilities Regulatory Authority’s decision to reject the proposed sale of the Aquarion Water Company to the South Central Connecticut Regional Water Authority. A copy of the news release is attached as Exhibit 99.1 and is incorporated herein by reference hereto.

Section 9 - Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number		Description
99.1		News Release of Eversource Energy, dated November 21, 2025.
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 the report to be signed on its behalf by the undersigned hereunto duly authorized.

	EVERSOURCE ENERGY
	(Registrant)
November 24, 2025	By:	/s/ Jay S. Buth
		Jay S. Buth
		Vice President, Controller and Chief Accounting Officer

FAQ

What did Eversource Energy (ES) announce in this 8-K filing?

Eversource Energy announced that it issued a news release regarding the Connecticut Public Utilities Regulatory Authority’s decision to reject the proposed sale of Aquarion Water Company to the South Central Connecticut Regional Water Authority.

Which transaction involving Eversource Energy was rejected by regulators?

The Connecticut Public Utilities Regulatory Authority rejected the proposed sale of Aquarion Water Company, a subsidiary of Eversource Energy, to the South Central Connecticut Regional Water Authority.

When did Eversource Energy issue the news release about the Aquarion decision?

Eversource Energy issued the news release on November 21, 2025, and that release is attached to the 8-K as Exhibit 99.1.

Where can investors find more details about the Aquarion Water Company sale rejection?

More details are contained in the news release attached as Exhibit 99.1 to the 8-K, which is incorporated by reference into the report.

Does the 8-K describe financial impacts of the rejected Aquarion sale on Eversource Energy?

The 8-K only states that the Connecticut regulator rejected the proposed sale and that Eversource Energy issued a related news release; it does not quantify financial impacts in this text.

What exhibits are included with this Eversource Energy (ES) 8-K?

The filing includes Exhibit 99.1, the news release dated November 21, 2025, and Exhibit 104, the cover page interactive data file embedded in the Inline XBRL document.