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Investors can gain exposure to the data center economy through publicly traded data center real estate investment trusts (REITs) and other companies in the infrastructure chain. But rising demand is not proof that a particular stock is attractively valued or will deliver positive returns. Compare companies on power access, business model, construction and leasing execution, financing, customer concentration, geography and valuation—not on growth headlines alone.
What is driving data center investment?
Electricity use and technology-company spending show that the sector is expanding, though neither measure directly predicts data center operators’ earnings or investor returns. The International Energy Agency (IEA) reported that global data center electricity demand grew 17% in 2025. It also said capital expenditure by five large technology companies exceeded $400 billion in 2025 and was expected to rise a further 75% in 2026. These are industry indicators, not a forecast of any company’s performance. IEA: Energy and AI, overview and key findings
The IEA estimated that data centers consumed 415 TWh of electricity in 2024, around 1.5% of global electricity use. Its base-case scenario projected consumption of around 1,200 TWh by 2035; that is an outlook, not a guaranteed outcome. IEA: Energy and AI
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In the United States, the Energy Information Administration’s (EIA) January 2026 Short-Term Energy Outlook forecast electricity-use growth of 1% in 2026 and 3% in 2027, identifying large computing facilities as a principal driver. Its May 2026 analysis put 2050 data-center server electricity use in commercial buildings in a scenario range of 446–818 billion kWh. The wide range reflects different assumptions, not a single prediction. EIA: January 2026 Short-Term Energy Outlook EIA: Data center electricity use in commercial buildings
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Forecasts should be treated as scenarios rather than promises. EIA Administrator Tristan Abbey described its AEO2026 outlook as “a product suite for alternative futures analysis, not a set of predictions.” The IEA also notes that accelerated project pipelines may not be completed, and that investment can respond to sentiment, returns, financing and broader economic conditions. EIA: AEO2026 announcement IEA: Energy and AI, overview and key findings
How can you invest in the data center boom?
A listed data center REIT is one route to investigate: these companies own or operate data center facilities and may give shareholders exposure to parts of the sector. Equinix says it elected U.S. federal REIT tax treatment beginning in tax year 2015. Digital Realty identifies itself as a REIT and global data center provider. These are examples for further research, not a complete list or a recommendation. Their business models, financials and risks differ, and their current valuations are not assessed here. Equinix: SEC filings Digital Realty: investor relations
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Data center exposure can also appear across colocation and interconnection providers, hyperscale operators, equipment makers, power suppliers and other infrastructure businesses. Their revenue drivers and capital requirements are not interchangeable. Review a company’s filings to determine how much of its business is actually tied to data centers; a broad technology or utility label alone does not establish meaningful exposure.
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Use company filings and investor materials to test whether growth plans can become operating assets and whether the business can finance them. Separate completed capacity from projects that are merely announced.
| What to compare | Questions to ask |
|---|---|
| Business model and customer mix | Does revenue come from colocation, interconnection, hyperscale capacity, equipment, power supply or other services? How concentrated are customers, and how dependent is the company on a few large tenants? |
| Power and location | How much power is secured, where is it available, and can planned facilities connect to the grid and operate? Consider regional exposure and power-price risk. |
| Buildout and leasing | Which projects are completed, powered and leased, versus announced or under construction? Review construction costs, delays, occupancy and customer commitments. |
| Financing and valuation | What are the company’s debt, interest expense, maturities and potential equity needs? How does its valuation compare with its operating performance? The sources cited here do not provide a comparable valuation screen. |
| Risk concentration | How exposed is the business to individual customers, locations, power costs and continued AI or cloud spending? |
Why is power access central to the investment case?
A data center needs dependable electricity, not just a site or a customer. Grid access, power procurement and the ability to bring planned capacity online can constrain growth. Gartner Director Analyst Linglan Wang has described power availability as a constraint on AI capacity and data center power security as a factor in scaling and protecting margins in the global AI race. Gartner: Data center electricity demand
For investors, this makes a company’s power position and project status important diligence questions. Announced megawatts or development plans do not by themselves show that capacity is connected, operational or leased. Examine the evidence the company provides for each stage.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What are the risks of investing in data center REITs?
Equinix’s 2025 Form 10-K identifies risks including power procurement costs and constraints, prolonged outages, physical infrastructure failures, cybersecurity incidents, inability to earn expected returns on expansion, customer churn, debt and stock-price volatility. It also warns that perceptions of AI demand and market speculation can affect its share price. These are company-disclosed risks, not a claim that every issuer has identical exposure. Equinix: SEC filings
Quick Recap
- Execution risk: construction can cost more or take longer than planned, while completed space may not lease as expected.
- Power and operating risk: constrained supply, higher procurement costs, outages or infrastructure failures can affect service and expansion.
- Financing risk: debt, interest costs, maturities and possible equity issuance can weigh on returns, particularly when projects require substantial capital.
- Demand and valuation risk: customer spending, AI and cloud investment, investor sentiment and market expectations can change. Sector growth does not ensure a stock’s price reflects its future prospects fairly.
- Concentration risk: reliance on a limited number of customers, regions or power sources can make results more vulnerable to disruption or changing demand.
A practical diligence checklist
- Read the latest annual report and investor materials to identify the company’s actual data center activities, customer mix and disclosed risks.
- Check whether power is secured and whether capacity is connected, operating and leased; distinguish those assets from announced or proposed projects.
- Review construction and leasing execution, including costs, delays, occupancy and customer commitments.
- Assess debt, interest expense, maturities and potential equity needs against the company’s expansion plans.
- Compare valuation with operating performance and consider customer, geographic and power exposure. Do not infer a buy decision from sector-level growth statistics.
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