Public Electricity at Half Price: What the Municipal Model Reveals About Utility Margins

Public Electricity at Half Price: What the Municipal Model Reveals About Utility Margins

While private utilities retain up to 15 cents of every dollar billed for shareholders, non-profit municipalities in Massachusetts deliver the same electricity at half the price.

Martín SolerMartín SolerApril 6, 20267 min
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Public Electricity at Half Price: What the Municipal Model Reveals About Utility Margins

In West Boylston, Massachusetts, a typical family pays around $80 a month for electricity. Just a few miles away, in a similar-sized household served by Eversource Energy or National Grid, that same bill ranges from $150 to $200. The infrastructure is comparable. The electricity, physically, is the same. The difference lies in who retains the margin.

This contrast, documented by The Boston Globe in April 2026, is not a regional anomaly nor the result of some geographical advantage. It is a direct and measurable consequence of two radically different business architectures applied to the same product: one that reinvests excess profits in lower rates, and another that distributes dividends to shareholders.

The friction this contrast generates already has a colloquial name among residents: feeling ripped off. But beyond consumer grievance, what this story exposes is a structural pattern with implications that extend far beyond Massachusetts.

The Margin That Finances Who

Private utilities in the United States reported $186 billion in combined profits between 2021 and 2024. On average, they retained 13 cents of every dollar billed, a percentage that climbed to 15 cents in 2025. For a monthly bill of $200, that amounts to $30 transferred directly to corporate profits, not to infrastructure or service efficiency.

Municipal utilities in Massachusetts operate under a different accounting logic: they are non-profit entities that reinvest their surplus in maintaining low rates and upgrading infrastructure without the need for external debt. The result is a pricing gap of 20% to 50% compared to private operators, according to historical state data. West Boylston is not a fortunate exception; it is one of the 40 municipalities that have applied this model since the late 19th century, when cities like Hull set up public plants specifically to escape the prices charged by the private operators of the time.

What has changed in 2025 and 2026 is not the model, but the surrounding context. With electricity bills rising between 20% and 30% nationally over the past five years, and household debt in arrears surpassing $25 billion by the end of 2025, the contrast between both models is no longer overlooked. One in five American households spends more than 10% of their income on utilities. In some neighborhoods of North St. Louis, that figure reaches 54%.

A Value Chain with a Single Clear Beneficiary

To properly audit this model, one must trace where the money flows at each link in the chain. In the case of the most profitable private utilities, the numbers are striking: MidAmerican Energy retained an average margin of 27.22% between 2021 and 2024. Florida Power & Light operated at 23.51%. Duke Energy Carolinas at 19.07%. These figures are not the result of greater operational efficiency or superior investment in network resilience; they are the product of a regulated model where rates are approved by state agencies allowing returns on invested capital, regardless of customer experience.

In that architecture, the residential customer is not an actor whose well-being determines the model's viability. They are the source of cash flow that enables shareholder returns. The regulator acts as an arbiter but has historically approved rate increases that consolidate this logic. The result is a cycle where investments in infrastructure are financed by debt that is then passed on to the rate, increasing the base of regulated assets and, with it, the allowed profit level. It is a legally solid and strategically self-referential mechanism.

The municipal model cuts that cycle at its root. Without shareholders to reward, without market debt to serve, and with access to tax-exempt bonds, municipalities can finance network improvements at a structurally lower cost. West Boylston does not pay dividends. Nor does it subsidize the difference through inefficiency: the municipal model in Massachusetts has historically demonstrated superior response times to outages compared to large private operators.

What Neighborly Envy Reveals About Customer Retention

There is an interesting strategic phenomenon in how this story came to public light. It was not a regulator who questioned the pricing model of Eversource or National Grid. It was simply the comparison among neighbors. A resident paying $80 a month compared to another paying $160 for the same service does not need a report from the Energy and Policy Institute to draw their conclusions.

This dynamic has a precise business reading: when the price differential between two providers of an identical product surpasses a certain threshold of perception, pressure on the more expensive model becomes political before it becomes contractual. In markets with captive suppliers, such as residential electricity, that pressure does not express itself through customer migration to a competitor. It expresses itself in votes, in petitions for municipalization, and in regulatory hearings. Massachusetts has a municipalization process that can take between 12 and 18 months from the formal request. Neighborly envy, properly organized, is the trigger for that process.

Peer feedback experiments conducted by the Sacramento Municipal Utility District and Puget Sound Energy are another relevant data point in this analysis. According to a study by NBER authors Ian Ayres, Sophie Raseman, and Alice Shih, showing households how their consumption compares with that of their neighbors reduced electricity usage between 1.2% and 2.1% on average, with cuts of up to 6% in high-consuming households. Social comparison, when executed well, is a lever of efficiency that does not require investment in infrastructure. The municipalities that have adopted it combine lower rates with behavioral tools to reduce the burden on the grid. Private utilities, whose revenue relies on the volume billed, have structurally opposing incentives to promote that reduction.

The Extractive Model Has a Regulatory Expiration Date

What is at stake for large private utilities is not just public image. It is the viability of a model that depends on the regulator continuing to approve margins of 15% or more in a context where household debt for utilities grows year after year, and where the contrast with cheaper alternatives becomes increasingly visible and documented.

The Energy and Policy Institute, which analyzed 110 private utilities, concluded that "a substantial part of what customers pay for electricity consistently flows to investors as profit." That statement is not a moral denunciation; it is a description of the value distribution mechanics in the sector. And that mechanism has a structural vulnerability: it works as long as the customer has no alternative and as long as the regulator does not face sufficient pressure to reconsider allowed return levels.

Both conditions are beginning to erode simultaneously. The municipalities serving 15% of Massachusetts users at 20-50% lower rates are the empirical demonstration, in the same geographic territory, that the price difference is not justified by operational costs but by the architecture of surplus distribution. When that demonstration is visible from the neighbor's window, the regulatory argument sustaining private margins loses its main asset: comparative opacity.

Private utilities that manage to survive the next regulatory cycle will be those that understand that retaining 15 cents of every dollar in a market where the captive customer is starting to organize politically is not a sustainable financial advantage; it is the bill that accumulates before a fundamental regulatory correction. The municipal model is not a historical curiosity of New England: it is proof that distributing value among all the stakeholders in the system, including the end user, is the only way to build a position that does not depend on anyone making the comparison.

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