# Nstar Electric Co > Clarifo company profile — qualitative business description generated from > the company's filings. Financial statements, charts and ratios are > available on Clarifo (https://www.clarifo.com/en/companies/Nstar Electric Co). ## Overview NSTAR Electric Co. is a regulated electric utility serving customers in Massachusetts as part of the Eversource Energy group. Its business centers on the delivery of electricity through transmission and distribution networks, with revenues driven by regulated service to residential, commercial, and industrial users. ## Products & services • Electric transmission and distribution service • Regulated retail electricity delivery • Metering and customer service support • Grid reliability and outage restoration • Energy contract administration for regulated load - **Electric distribution service** (70%) — Delivery of electricity to end users over local distribution networks. - **Electric transmission service** (20%) — High-voltage transmission of power through regulated network assets. - **Customer and utility services** (10%) — Metering, billing, service connections, and outage response support. - Electric transmission and distribution service - Regulated retail electricity delivery - Metering and customer service support - Grid reliability and outage restoration - Energy contract administration for regulated load ## Customers The company serves a broad base of regulated electric customers in Massachusetts, including households, businesses, and industrial users. Demand is driven by essential electricity delivery rather than discretionary purchasing, so customer relationships are tied to service territory and regulated utility obligations. - **Residential customers** (primary) — Households in the service territory that buy electric delivery and related utility services for everyday power needs. - **Commercial customers** (primary) — Retail, office, and service businesses that need reliable electricity and predictable utility service. - **Industrial customers** (secondary) — Larger power users that purchase regulated electric delivery and depend on service reliability. - **Regulated energy counterparties** (secondary) — Energy marketers, utilities, and suppliers involved in long-term or high-volume supply contracts and collateralized transactions. - Residential customers needing reliable electric delivery - Commercial customers relying on continuous power service - Industrial users with higher-load and quality-of-service needs - Regulated counterparties under standard service contracts - Regional grid and market participants interacting through ISO-NE ## Geography NSTAR Electric Co. operates in the United States, with its core service territory in Massachusetts. Its business is geographically concentrated, so local regulation, weather, load growth, and regional grid conditions have an outsized effect on operations and earnings. - United States is the operating country and regulatory base - Massachusetts is the core electric service territory - Exposure is concentrated in the ISO-NE regional power market - Local regulation shapes allowed returns and service obligations - Weather and storm activity can affect outage and restoration work ## Strategy The company’s strategic focus is to operate a reliable regulated electric network and recover costs through approved rates. It also manages market and credit exposures tied to energy contracting, while maintaining a capital structure and debt profile suited to utility regulation. - **Reliability and grid operations** (short-term) — Utility performance depends on dependable service and rapid restoration in a regulated monopoly model. - **Regulatory recovery of costs and returns** (medium-term) — Allowed rates and ROE determine the economics of the regulated utility model. - **Risk management for energy and credit exposures** (short-term) — Contracting with suppliers and market participants creates counterparty and settlement risk even in a regulated business. - Maintain reliable electric service in the regulated territory - Recover infrastructure and operating costs through regulated rates - Manage energy procurement and counterparty credit exposure - Keep debt financing aligned with utility cash flow stability - Support transmission and distribution asset performance ## Risks The main risks come from regulation, including allowed-return disputes and the possibility that regulators or courts set less favorable ROEs. As a utility, the company also faces operational risks from storms, outages, and infrastructure failures, plus credit and contract risks tied to energy transactions and counterparties. - **FERC ROE complaint and refund exposure** [high] — Transmission-owning utilities in ISO-NE have faced complaints over allowed returns, and adverse orders can require retroactive refunds. - **Regulatory rate-setting risk** [high] — Revenue and profitability depend on state and federal approval of rates and recovery mechanisms. - **Operational outage and weather risk** [medium] — Electric utilities must maintain and restore service across a physical network exposed to storms and equipment failures. - **Counterparty credit risk** [medium] — Energy contracts and margin accounts expose the company to non-performance by suppliers and market participants. - FERC ROE disputes can create refund obligations and lower allowed returns - Regulatory outcomes directly affect utility earnings and cash flows - Storms and outages can increase restoration costs and service disruption - Counterparty credit risk exists in long-term and high-volume energy contracts - Interest rate changes can affect refinancing and debt economics ## Accounting For a regulated utility, accounting is shaped by rate-regulated assets and liabilities, refund obligations, and the timing of cost recovery. The company also uses fixed-rate debt and energy contracts, so interest and credit-related disclosures, collateral balances, and contingent liabilities can materially affect reported results and cash flow presentation. - **Regulatory accounting** — Regulatory assets and liabilities - **Contingent liabilities for FERC ROE refunds** — Earnings, cash flows, and liabilities - **Energy contract collateral and margin accounts** — Cash, receivables, and payables - **Debt and interest expense presentation** — Interest expense and debt footnotes - Regulatory assets and liabilities affect timing of cost recovery - FERC refund obligations require contingent liability estimation - Fixed-rate debt limits interest-rate sensitivity but affects disclosures - Collateral and margin balances affect cash and working capital - Utility revenue recognition depends on regulated service delivery --- *Last updated: 2026-06-16T23:03:10.419768+00:00*