---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-059108"
form_type: "8-K"
ticker: "ES"
cik: "0000072741"
company_name: "EVERSOURCE ENERGY"
filed_at: "2023-05-11T23:59:59+00:00"
generated_at: "2026-06-15T05:14:06.411685+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Eversource Energy issues $1.8B of senior notes in three tranches

## Summary
- Issued $550M of 5.45% Series Z Senior Notes due 2028, total outstanding now $1.3B.
- Issued $450M of 4.75% Series AA Senior Notes due 2026.
- Issued $800M of 5.125% Series BB Senior Notes due 2033.
- All notes are unsecured senior obligations of Eversource Energy.

## SEC filing metadata
- accession: 0001104659-23-059108
- form_type: 8-K
- ticker: ES
- cik: 0000072741
- company_name: EVERSOURCE ENERGY
- filed_at: 2023-05-11T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/72741/000110465923059108/0001104659-23-059108-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/72741/000110465923059108/tm2314646d7_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-059108
- JSON: https://secwatch.observer/filing/0001104659-23-059108.json
- Plain text: https://secwatch.observer/filing/0001104659-23-059108.txt

## Key facts
- Debt Financings
  EVERSOURCE ENERGY incurred senior notes of $800,000,000 aggregate principal amount at 5.125% maturing Due 2033.
  - Instrument: senior notes
  - Principal: $800,000,000 aggregate principal amount
  - Rate: 5.125%
  - Maturity: Due 2033
  - Event: incurrence
  source text: On May 11, 2023, Eversource Energy issued $800,000,000 aggregate principal amount of its 5.125% Senior Notes, Series BB, Due 2033
  evidence_url: https://www.sec.gov/Archives/edgar/data/72741/000110465923059108/0001104659-23-059108-index.htm
- Debt Financings
  EVERSOURCE ENERGY incurred senior notes of $550,000,000 aggregate principal amount at 5.45% maturing Due 2028.
  - Instrument: senior notes
  - Principal: $550,000,000 aggregate principal amount
  - Rate: 5.45%
  - Maturity: Due 2028
  - Event: incurrence
  source text: On May 11, 2023, Eversource Energy issued an additional $550,000,000 aggregate principal amount of its 5.45% Senior Notes, Series Z, Due 2028
  evidence_url: https://www.sec.gov/Archives/edgar/data/72741/000110465923059108/0001104659-23-059108-index.htm
- Debt Financings
  EVERSOURCE ENERGY incurred senior notes of $450,000,000 aggregate principal amount at 4.75% maturing Due 2026.
  - Instrument: senior notes
  - Principal: $450,000,000 aggregate principal amount
  - Rate: 4.75%
  - Maturity: Due 2026
  - Event: incurrence
  source text: On May 11, 2023, Eversource Energy issued $450,000,000 aggregate principal amount of its 4.75% Senior Notes, Series AA, Due 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/72741/000110465923059108/0001104659-23-059108-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.