Data center generator market to hit $13.1B by 2035

The global data center generator market is projected to rise from $8.12 billion in 2025 to $13.10 billion by 2035, driven by AI workloads, hyperscale campus buildouts and tighter emissions rules. Demand is also getting a lift from government resilience spending and the need for more reliable backup power across cloud, enterprise and edge facilities.

Why it matters: - Data centers need nonstop power to keep servers, cooling and networking systems online. - AI workloads are pushing rack densities above 100 kW, raising the risk that utility power alone will not meet demand. - Generator purchases are becoming a core part of resilience planning as downtime costs rise. - Emissions rules are also changing procurement, pushing operators toward lower-carbon and fuel-flexible options.

What happened: - The global data center generator market was estimated at $8.12 billion in 2025. - The market is projected to grow to $8.52 billion in 2026 and reach $13.10 billion by 2035. - The forecast implies a 4.90% compound annual growth rate through 2035. - The report links demand to hyperscale expansion, AI and high-performance computing power needs, decarbonization mandates and edge data-center growth. - The report covers generator types including diesel generators, gas generators, turbine generators and uninterruptible power supply systems. - The report was published by Market Research Future. - Get the full PDF sample copy of the report. - Access the full report.

The details: - Government incentive programs in the United States, India and the European Union have earmarked more than $14 billion for digital-infrastructure resilience since 2022. - Cloud providers spent more than $220 billion in 2024, with a substantial share tied to campus-scale data-center builds above 200 MW. - Each large campus can require multiple 2-3 MW diesel or gas generator sets configured in 2N redundancy. - The report says rack densities for GPU-heavy AI clusters have climbed above 80 kW and are moving toward 120 kW. - The U.S. Department of Energy's 2024 data-center energy assessment identified power density as the main infrastructure constraint through 2030. - The EU's revised Energy Efficiency Directive requires Scope 1 reporting from data-center operators starting in 2025. - California's SB 1020 reinforces the shift toward cleaner fuel options in North America. - Edge sites in India, Indonesia, Brazil and Nigeria typically draw 250-500 kW and often use factory-integrated generator-plus-UPS enclosures. - The report says those edge deployments can be commissioned in about nine months, versus about 18 months for traditional shell-and-core builds. - The market's growth outlook reflects hyperscale campus expansion, AI and HPC density gains, fuel-flexibility mandates and edge deployment growth. - Hyperscale expansion is cited as the largest driver, contributing about 1.3 percentage points to CAGR. - AI and HPC power-density escalation adds about 1.1 percentage points. - Fuel-flexibility and decarbonization mandates add about 0.8 percentage points. - Edge data-center growth adds about 0.6 percentage points.

Between the lines: - Generator demand is shifting from simple standby backup to active infrastructure that can support load-following and micro-grid operations. - Fuel strategy is becoming a competitive issue, not just an engineering choice, because emissions compliance affects both cost and procurement. - Regional manufacturing and assembly capacity is becoming more important as buyers push for shorter lead times. - The report suggests that AI-driven power architecture redesign will shape the next phase of demand through 2035. - Operators are also weighing batteries, grid upgrades and permitting constraints, which could limit some diesel-heavy deployments.

What's next: - Average rack densities are expected to move past 100 kW by 2028. - Operators are expected to integrate generators into active micro-grid architectures instead of treating them as passive backup assets. - OEMs are likely to expand hydrogen-ready and HVO-blend platforms as zero-emission mandates approach. - Generator-as-a-service and lifecycle management contracts should become more common as buyers shift toward operating expense models. - Emerging-market data-center programs in India, Indonesia and Saudi Arabia are likely to sustain demand for on-site generation through 2030. - Grid-interactive generator operations may open new revenue streams in markets such as Texas and parts of Australia.

The bottom line: - AI, hyperscale growth and emissions pressure are turning data center generators into a strategic infrastructure market, not just a backup-power niche.