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Anterix owns licensed 900 MHz radio spectrum across the United States. Electric utilities are its main customers: they buy or lease spectrum to build private broadband networks, rather than paying Anterix to operate those networks. Customers include Xcel Energy, which supplies most of its current spectrum revenue, and Oncor, which has purchased spectrum.
Anterix acquires spectrum and arranges for existing users to move to other channels so it can obtain broadband licenses from the Federal Communications Commission (FCC). It bears these licensing and clearing costs; customers are expected to fund network construction and operation. Customers often pay in advance, but Anterix must deliver cleared spectrum and licenses to retain those payments and collect remaining amounts. It is also developing products and services intended to bring recurring income as networks are deployed and operated; it currently earns no revenue from operating customers’ networks or technologies.
The business depends on securing one or a few utility customers in each county. Customers typically receive rights to all of Anterix’s spectrum in their service area, limiting further leasing there. FCC rules require sufficient spectrum holdings and arrangements with existing users before broadband licenses can be issued, and licenses carry deployment requirements. Failure to deliver can trigger customer refunds; failure to meet deployment requirements can put licenses at risk.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Anterix’s results hinge on FCC spectrum clearing and utility network investment: watch major buyers Oncor and LCRA, whose license deliveries drove fiscal 2026 spectrum-sale gains.
Xcel Energy supplies Anterix’s largest disclosed recurring revenue stream, paying under an $80 million agreement to use its 900 MHz spectrum across eight states while selling electricity and gas to utility customers. Watch the remaining spectrum deliveries through 2029; Xcel contributed $3.524 million of Anterix’s fiscal 2026 spectrum revenue.
Globalstar competes for customers that might otherwise choose Anterix’s licensed spectrum, including utilities needing low-data, longer-distance communications. Alongside selling satellite voice and data services to consumers, businesses and governments, Globalstar markets spectrum that it says may serve some of those utility uses.
Ameren’s $47.7 million spectrum lease makes Anterix’s collections depend on delivery: $16.3 million remained payable by mid-2026 as cleared spectrum and leases were delivered. Ameren’s subsidiaries sell regulated electricity and gas services in Missouri and Illinois; completion of those deliveries is the concrete milestone to watch.
Evergy gives Anterix a fully prepaid spectrum lease rather than an outstanding customer payment: the $30.2 million agreement contributed $1.541 million of fiscal 2026 spectrum revenue. Evergy sells electricity to Kansas and Missouri customers, making that lease revenue a concrete measure of Anterix’s utility business.
T-Mobile could make Anterix’s 900 MHz spectrum less attractive to utilities if its 800 MHz spectrum becomes available to them. T-Mobile earns revenue from wireless and broadband subscribers; the news to watch here is availability of that alternative spectrum, not its consumer subscriber growth.
Motorola Solutions offers utilities and infrastructure operators private radio networks that can compete with private LTE networks using Anterix’s spectrum. Those customers pay Motorola Solutions for mission-critical communications systems rather than choosing an Anterix-enabled network.
AT&T can win enterprise connectivity spending that might otherwise go toward private broadband networks using Anterix’s spectrum. It sells wireless and wired communications to businesses; its enterprise wireless offerings are the relevant alternative for Anterix’s utility and infrastructure customers.
NorthWestern Energy’s $7.7 million spectrum purchase gives Anterix revenue to earn through license delivery, but all payments and all 65 licenses remained outstanding at March 31, 2026. NorthWestern sells electricity and gas to utility customers; watch delivery of the cleared spectrum licenses, when Anterix recognizes the sale revenue.
Verizon competes for the enterprise wireless budgets Anterix needs for utility and infrastructure private networks. Verizon sells business communications, including wireless broadband; its business connectivity offerings are the relevant competition, rather than its consumer operations.
Crown Castle helps utilities deploy networks using Anterix’s spectrum by renting them tower space, while Anterix supplies the spectrum. Their joint TowerX service provides tower access and site development for 900 MHz private networks, making utility take-up of that service the connection to watch.
Crown Castle Inc. earningsCCI
Crown Castle's report can show whether utilities are using TowerX tower access and site-development services to deploy networks built on Anterix spectrum.
Look for Crown Castle's discussion of utility use of TowerX and demand for the related tower and site-development services. Clear adoption or rising demand would show that customers are using this part of the deployment offering from Crown Castle and Anterix; no such evidence would leave that route unproven, but would not establish that customers do not want Anterix spectrum.
AT&T Inc. earningsT
AT&T's report will show whether businesses are spending more on wireless connectivity that competes with Anterix for utility and infrastructure network budgets.
Focus on AT&T's enterprise wireless business, not its consumer operations. Stronger demand would mean utility and infrastructure customers have an active connectivity alternative competing for their budgets, so Anterix must make the case for a private network; weaker demand would reduce that competitive signal, but would not show that customers have chosen Anterix.
T-Mobile US, Inc. earningsTMUS
The key question in T-Mobile's report is whether its 800 MHz spectrum could become available to utilities as an alternative to Anterix's 900 MHz spectrum.
Look only for information about whether T-Mobile's 800 MHz spectrum may be made available to utilities; subscriber growth is not evidence of that. A confirmed route to availability would give utility customers another potential alternative to Anterix spectrum. No relevant information would leave the threat unconfirmed, not rule it out.
Motorola Solutions, Inc. earningsMSI
Motorola Solutions' report can show demand for private radio systems among utilities and infrastructure operators, customers who could instead choose private networks using Anterix spectrum.
Look for Motorola Solutions' account of demand for communications systems from utility and infrastructure customers. Strong demand for private radio systems would show that these customers are paying for mission-critical alternatives, so Anterix-enabled networks must justify replacing or supplementing them. Weaker demand would ease that competitive signal, but would not show that customers have chosen Anterix.
Xcel Energy, Inc. earningsXEL
Xcel Energy's report can offer context on its utility operations and network deployment, as the customer behind Anterix's largest disclosed recurring spectrum-revenue stream.
Look for Xcel Energy's discussion of utility operations and network deployment. Steady progress would show that the customer business supporting Anterix's largest disclosed recurring spectrum-revenue stream remains active; delays or operating pressure would put the pace of that relationship in question. Only Anterix can confirm its own license deliveries and when it recognizes revenue.
Anterix Inc. earningsThis company
Anterix's report will show whether delivering cleared 900 MHz spectrum licenses is turning into revenue and cash without clearing costs eating up the proceeds.
Read license deliveries and customer receipts alongside spending to acquire, swap or retune spectrum. More deliveries and receipts with controlled related costs would show contracts converting into cash Anterix can use to keep clearing and delivering spectrum. Slower deliveries or costs running ahead of receipts would mean contracted value has not yet become available cash, constraining further delivery and funding. Net income can be affected by gains on license sales or exchanges, so it alone does not show the strength of recurring revenue or cash flow.
