New Hampshire: Eversource Prices $300M Series Y Bonds

A $300 million bond issuance enhances Eversource Energy’s capital structure and supports infrastructure investment in New Hampshire’s regulated utility market.

Public Service Company of New Hampshire, doing business as Eversource Energy has completed a $300 million public offering of Series Y first mortgage bonds in New Hampshire, marking a significant transaction in the capital markets. The offering, part of the company’s ongoing financing strategy, aims to refinance short-term debt and fund capital expenditures for the state’s regulated electric utility sector.

Transaction overview

In June 2025, Public Service Company of New Hampshire, operating as Eversource Energy, finalized a public issuance of $300 million aggregate principal amount of 4.40% First Mortgage Bonds, Series Y, due July 1, 2028. The bonds carry a fixed interest rate of 4.40%, with interest payments scheduled semi-annually on January 1 and July 1, commencing January 1, 2026. After deducting underwriting discounts and offering expenses, the net proceeds from the transaction totaled approximately $298.7 million.

The Series Y bonds are secured by a first mortgage lien on substantially all of the company’s utility properties, ranking equally with existing and future first mortgage bonds under the company’s mortgage indenture. This structure is designed to provide bondholders with a high level of security, reflecting the regulated and asset-intensive nature of the utility business. The proceeds are allocated to refinance outstanding short-term debt, support ongoing capital expenditures, and provide additional working capital, reinforcing the company’s liquidity and operational flexibility.

This transaction represents a continuation of Eversource Energy’s disciplined approach to capital markets, leveraging favorable market conditions to optimize its debt maturity profile and cost of capital. The bond issuance also aligns with the company’s broader strategy to maintain a robust balance sheet while investing in critical infrastructure to meet the evolving needs of its service territory in New Hampshire.

By issuing first mortgage bonds, Public Service Company of New Hampshire ensures that its financing is both cost-effective and attractive to institutional investors, given the secured nature of the debt and the predictable cash flows associated with regulated utility operations. The transaction further demonstrates the company’s ability to access capital markets efficiently and on competitive terms, supporting its long-term strategic objectives.

Investor and capital markets context

The $300 million Series Y bond issuance comes at a time when utility sector issuers continue to benefit from strong investor demand for high-quality, investment-grade debt. Regulated utilities such as Public Service Company of New Hampshire are viewed as defensive investments, offering stable cash flows and predictable returns, particularly in periods of economic uncertainty or market volatility. The company’s ability to price the bonds at a 4.40% coupon reflects both its creditworthiness and the current interest rate environment.

In the broader context of the U.S. capital markets, utility bond offerings have remained resilient amid shifting monetary policy and fluctuating treasury yields. The secured nature of first mortgage bonds, coupled with the essential service profile of electric utilities, makes these instruments attractive to a wide range of institutional investors, including pension funds, insurance companies, and asset managers seeking long-duration assets with low default risk. The issuance by Public Service Company of New Hampshire is consistent with recent trends, where utilities have accessed the market to refinance higher-cost short-term debt and fund large-scale infrastructure upgrades.

Comparable transactions in the sector include recent first mortgage bond offerings by other regulated utilities in the Northeast, with similar maturities and coupon rates. These deals have generally been well-received, often oversubscribed, reflecting the continued appetite for investment-grade utility paper. The company’s decision to use proceeds for refinancing and capital expenditures aligns with best practices in the sector, as utilities seek to manage interest expense while funding grid modernization, renewable integration, and resilience initiatives.

From a regulatory perspective, the New Hampshire Public Utilities Commission oversees the capital structure and financing activities of the state’s regulated utilities, ensuring that debt issuances are prudent and in the public interest. The commission’s oversight provides an additional layer of assurance for investors, reinforcing the credit profile of Public Service Company of New Hampshire and supporting its access to competitive financing options.

Market implications

The successful completion of the Series Y bond issuance has several implications for the New Hampshire utility market and the broader regional energy landscape. First, it enhances the financial flexibility of Public Service Company of New Hampshire, enabling continued investment in critical infrastructure projects, including grid modernization, system reliability upgrades, and the integration of renewable energy resources. These investments are essential for meeting regulatory requirements, supporting economic growth, and ensuring reliable service for customers across the state.

Second, the transaction underscores the ongoing importance of the capital markets in funding the utility sector’s transition to a more resilient and sustainable energy system. As utilities face increasing capital needs related to decarbonization, electrification, and climate adaptation, access to low-cost, long-term financing becomes a strategic priority. The ability of Public Service Company of New Hampshire to issue secured bonds at competitive rates demonstrates the market’s confidence in the sector’s regulatory framework and the company’s operational track record.

Third, the refinancing of short-term debt with longer-term, fixed-rate bonds reduces interest rate risk and supports more predictable financial planning. This approach is particularly relevant in the current environment, where interest rate volatility and inflationary pressures can impact borrowing costs and capital allocation decisions. By locking in favorable terms through the Series Y issuance, the company positions itself to manage future funding requirements more effectively.

Finally, the transaction may serve as a benchmark for other regional utilities considering similar financing strategies. The structure, pricing, and use of proceeds provide a reference point for market participants evaluating the optimal mix of debt instruments to support ongoing infrastructure investment and balance sheet management. As the utility sector continues to evolve, access to efficient and reliable capital will remain a key determinant of long-term success.

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