Fortis Inc.

Money comes from rates that regulators pre-approve to cover the cost of building, financing and running the network, plus an allowed return on the capital invested in it. Certain input costs, such as fuel and power bought to resell, are passed through to customers largely at cost rather than marked up. Its financial history also shows a profit in every one of the last several years, consistent with the smoothing that this kind of rate-setting tends to produce.

Growth in this kind of system comes mainly from enlarging the regulated asset base, funding new transmission, distribution and generation projects that regulators agree to fold into the rates customers pay, rather than from winning share in a competitive market. Fortis pursues this both within its existing utility subsidiaries, through large, multi-year capital programmes, and by holding a portfolio of separately regulated utilities across different jurisdictions, so its scale is the sum of many locally regulated businesses rather than one national franchise. Consistent with that mechanism, the value of its underlying capital base has grown with unusual steadiness in recent years, and CompanyGraph places a large number of other companies in the same regulated-return category, making this a common rather than rare way of scaling.

Fortis depends on outside suppliers of electricity, natural gas and generation fuel, including named pipeline providers such as Westcoast Energy and TC Energy that move gas into its territory, and power-purchase counterparties such as BC Hydro. It also depends on the physical interconnection of its wires and pipes with neighbouring utilities and grid operators. Its own filings point to reliance on third-party technology providers and on broader domestic and global supply chains for equipment and materials, and CompanyGraph's mapping of industry inputs shows the business drawing from a range of separate supplying industries.

On the demand side, the system sells directly to residential, commercial, industrial, farm and wholesale customers, while one of its transmission subsidiaries, ITC, instead sells transmission service to other utilities and power marketers, naming DTE, CMS and IPL as its principal counterparties there. A small number of those wholesale customers account for the large majority of that subsidiary's revenue, so despite a broad end-use customer base, this part of the business is concentrated in a handful of named counterparties. CompanyGraph's mapping of the business also shows it supplying several other industries downstream.

This way of operating, earning a regulator-approved return on regulated infrastructure, is shared by a large number of other companies CompanyGraph tracks, so the broad model itself is common rather than rare. What is more specific to Fortis is that it holds this position many times over: a collection of separately regulated utilities, each operating under its own government-granted service territory and its own regulator, rather than a single national franchise. Fortis names no direct competitors for these utilities, describing on-site generation and alternative energy sources as the main competitive pressure on the regulated model itself. Whether rivals could assemble a similar collection of territories is not something CompanyGraph can see.

For its retail and industrial customers, delivery runs over transmission and distribution lines and pipes that Fortis itself owns and that connect directly to the customer, and the company's own materials do not describe any additional certification, standard or contractual feature that locks customers in beyond that physical connection. For a smaller set of named wholesale and municipal counterparties the relationship instead runs through specific agreements: ITC's interconnection and easement agreements with counterparties such as DTE and CMS, and FortisAlberta's franchise agreements with the municipalities it serves, each of which assigns operating responsibilities and maintains the physical link between the two systems.

The general pattern CompanyGraph checks for this kind of business is that growth is bound by a regulatory bargain: a regulator must agree that new spending belongs in the rate base before it earns a return. That pattern describes the industry as a whole, not something measured about Fortis specifically. Fortis's own account is consistent with it: the company states that its capital spending is limited by the availability and cost of commodities, materials and labour, by tariffs and supply-chain conditions, by weather and geological conditions at project sites, and, more fundamentally, by whether regulators approve projects, grant permits on time, and allow cost overruns to be recovered in customer rates.

Fortis's own disclosures point to a few concentration points that could matter under strain: a large majority of ITC's revenue is billed to a small number of named counterparties, some of TEP's generation is jointly owned or operated with other parties rather than controlled outright, and its allowed returns and cost recovery depend on proceedings before regulators it does not control. The company itself lists regulatory uncertainty first among its risks, ahead of physical and climate exposure, cybersecurity and operational-technology risk, and commodity and purchased-power cost swings.

The system operates inside a set of regulatory bargains: each subsidiary's allowed return and cost recovery is set, and periodically re-argued, before its own regulator, among them the Federal Energy Regulatory Commission and state commissions in the United States and bodies such as the British Columbia Utilities Commission and Alberta Utilities Commission in Canada, so an unfavourable ruling or a delay in a rate proceeding can compress what it is allowed to earn or recover on capital already spent. Its own risk disclosures name regulatory uncertainty first, followed by physical and climate exposure, execution risk on large capital projects, cybersecurity, commodity and purchased-power costs, and interest-rate, inflation and foreign-exchange movements, the last of these because more than half of its operations sit outside Canada. Government trade and tariff policy is also named as a pressure that can raise the cost of equipment, commodities and capital projects.