NORTHEAST UTILITIES

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Q: Sep 30 2021

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Regulation FD Disclosure

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

Results of Operations and Financial Condition

Amendments to the Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Other Events

Results of Operations and Financial Condition

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

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Other Events

Results of Operations and Financial Condition

Results of Operations and Financial Condition

Regulation FD Disclosure

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Regulation FD Disclosure

2.02,7.01,9.01

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Required Information in Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Required Information in Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Conner Penelope M

Conner Penelope M

Conner Penelope M

BUTLER GREGORY B

BUTLER GREGORY B

BUTH JAY S.

Mudge W Robert

VANGUARD PORTFOLIO MANAGEMENT LLC

VANGUARD CAPITAL MANAGEMENT LLC

VANGUARD GROUP INC

NOLAN JOSEPH R JR

Conner Penelope M

Conner Penelope M

CLEVELAND COTTON M

Kim John Y

CLEVELAND COTTON M

Moreira John M.

Kim John Y

Moreira John M.

Kim John Y

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Post-effective amendment to an automatic shelf registration statement

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC