Charter Communications generates revenue through a fundamentally infrastructure-centric business model: it builds, owns, and operates a hybrid fiber-coaxial cable network that passes roughly 57 million homes and businesses across 41 states, and it monetizes that network by selling a suite of communication and entertainment services delivered over it. The business model's core logic is that a fixed-cost infrastructure, once deployed, can carry incrementally higher-margin services as customer adoption and average revenue per user increase, creating operating leverage that rewards scale. Understanding how Charter makes money requires examining each of its major revenue streams and the competitive dynamics shaping each one. Internet service, branded as Spectrum Internet, is unambiguously the engine of Charter's financial model and accounted for approximately $21.6 billion of the company's revenue in fiscal year 2024, representing roughly 40 percent of total revenue. Charter sells residential internet service at tiered speeds, with its standard offering providing download speeds starting at 300 megabits per second, and premium tiers reaching gigabit-level performance. The company markets heavily on a no-data-cap, no-contract policy, a strategic differentiator that has helped it retain customers sensitive to the overage-fee practices common among some DSL and fiber competitors. Residential internet average revenue per customer has grown steadily, reaching approximately $78 per month by late 2024 across the base. The internet business carries substantially higher margins than video — the hardware infrastructure cost is shared across all services, customer acquisition costs are recoverable over multi-year customer relationships, and there is no content licensing cost analog to the programming fees that weigh on the video segment. Charter has also begun selling internet service to customers who do not subscribe to any other service, a 'broadband-only' cohort that has become the majority of new internet customer acquisitions and reflects the broader secular trend away from traditional pay television. Video service, sold under the Spectrum TV brand, remains a significant revenue contributor — approximately $9.1 billion in fiscal year 2024 — but the segment is in managed secular decline as cord-cutting accelerates across all demographic groups. Charter had approximately 13.2 million residential video customers by the end of 2024, down from a peak of roughly 17 million in 2017. The company's strategic posture toward video has shifted meaningfully: rather than aggressively defending the pay TV subscriber count, Charter has embraced a strategy of reducing its exposure to the high-cost, low-margin traditional linear TV bundle while transitioning customers toward its own Spectrum TV App platform, which delivers content over the internet connection and reduces the need for expensive set-top box hardware. A landmark content distribution agreement with Disney in 2023 — which resulted in a temporary channel blackout but ultimately established a new model for integrating streaming services directly into the cable bundle — signaled Charter's intention to reposition the video product around aggregating streaming subscriptions rather than simply re-selling linear channels. Under this evolving model, Charter bundles Disney+, Hulu, and other direct-to-consumer services within its video tier, aiming to reduce churn by making its video offering a convenient one-stop aggregator rather than a legacy broadcast package. Mobile service, operating as Spectrum Mobile under a mobile virtual network operator agreement with Verizon that gives Charter access to Verizon's nationwide LTE and 5G network, has become one of the company's most strategically important growth businesses. Spectrum Mobile generated approximately $2.6 billion in service revenue during fiscal year 2024 and served more than 9 million customer lines by year-end, growing from zero in 2018. The mobile business operates on an MVNO economics model in which Charter pays Verizon per unit of data used by its customers, with the unit cost declining as volume scales. Charter subsidizes mobile service aggressively — offering some of the most competitive pricing in the U.S. Wireless market — because its internal analysis shows that customers who bundle internet with mobile service exhibit substantially lower churn rates and higher overall lifetime value. The mobile business remains a net contributor to customer relationship economics even when its direct segment profitability appears modest, because of this customer retention and ARPU expansion effect. As mobile lines grow and Charter's negotiated per-unit data costs with Verizon decrease, the segment's direct margin contribution is expected to improve through the late 2020s. Voice service, sold as Spectrum Voice, has declined steadily with the broader industry trend away from fixed-line telephone service and contributed approximately $2.1 billion in revenue during fiscal year 2024. Charter still maintains voice as part of triple-play bundles and as a standalone product primarily for older residential customers and small businesses that require reliable land-line communication infrastructure, but the company has largely stopped aggressively marketing voice as a standalone growth product. Small and medium business and enterprise services, collectively reported as commercial revenue, contributed approximately $6.9 billion in fiscal year 2024. Charter serves small businesses through the Spectrum Business brand, offering scaled versions of its residential internet, voice, and TV products plus additional features like static IP addresses and priority technical support. The enterprise and carrier segment, operating as Spectrum Enterprise, serves larger corporations, government agencies, educational institutions, and other telecommunications carriers with managed network solutions, cloud connectivity, and dedicated fiber services. The commercial segment has shown more consistent growth than residential video and is strategically attractive because commercial customers tend to have longer contract terms, lower churn rates, and higher average revenue per account. Advertising sales through Spectrum Reach contributed approximately $1.6 billion in revenue during fiscal year 2024. Charter sells local and regional advertising inventory across its television networks and digital platforms, serving local businesses, political advertisers, and national brands targeting specific geographic markets. This segment has faced pressure from the migration of advertising budgets to digital and programmatic channels, offset partially by growing political advertising revenue in election cycles. The underlying capital intensity of Charter's business model is significant and shapes its financial profile in important ways. The company spends approximately $11-12 billion annually on capital expenditures, encompassing both maintenance capital to keep the existing network operational and growth capital for network upgrades, line extensions into rural areas, and new customer installations. This capital intensity is funded through a combination of operating cash flows and debt issuance, as Charter carries a substantial long-term debt load — approximately $94 billion in long-term debt as of late 2024 — that reflects both the acquisition financing from the Time Warner Cable and Bright House Networks deals and ongoing capital investment. The debt load makes Charter sensitive to interest rate movements and requires disciplined capital allocation to service interest obligations while still investing in network competitiveness.