Global Data Center Generator Market Growth Insights – Power Capacity to Reach 28,307 MW by 2031, Driven by Rising AI Workloads, Hyperscale Data Center Expansion, and Increasing Investments from Leading Cloud & Technology Operators (2026–2031)

Global Data Center Generator Market Landscape 2026-2031

DATA CENTER GENERATOR MARKET SIZE & SHARE

The global data center generator market size was valued at USD 13.14 billion in 2025 and is expected to reach USD 29.47 billion by 2031, growing at a CAGR of 14.41% during the forecast period. The market experienced investments of over $13.14 billion in 2025, which grew by around 54.78% in comparison to 2024. This growth is largely driven by the increasing deployment of AI workloads across data centers globally, supported by substantial investments from hyperscale operators such as Amazon Web Services (AWS), Apple, Google, Meta, and Microsoft.

The growing expansion of hyperscale, colocation, and AI data centers is accelerating the adoption of sustainable generator technologies, including HVO, natural gas, and hydrogen-ready systems. For example, in April 2025, Verne transitioned its London data center backup generators from diesel to HVO to reduce emissions and support sustainability goals.

The data center generator market in the Middle East is projected to attract a cumulative investment of $4.59 billion from 2026 to 2031. This growth is primarily driven by the UAE, Saudi Arabia, Israel, and other countries emerging as promising investment destinations.

Despite increasing investments in advanced generator technologies, reliance on generators is declining in several developed markets due to improved grid reliability, greater renewable energy integration, and the adoption of Battery Energy Storage Systems (BESS). As power infrastructure continues to strengthen, generators are increasingly being used as contingency backup systems rather than primary power solutions.

In 2025, the APAC data center generator market by investments increased by around 35.46%, compared to 2024. The rapid adoption of AI in China is emerging as a key driver of data center investment, as AI workloads require large-scale, high-performance facilities for processing and storage. This growing digital ecosystem is further supported by China’s massive internet user base, which reached approximately 1.30 billion users by the end of 2025, creating sustained demand for data-intensive services and infrastructure.

DATA CENTER GENERATOR MARKET INSIGHTS BY POWER CAPACITY

The global data center generator market by power capacity is expected to reach 28,307 MW by 2031, with the industry shifting significantly toward renewable energy driven by environmental concerns and government incentives. This transition is particularly evident across the Americas, Europe, and Nordic nations, where data center providers such as Equinix and Digital Realty are increasingly adopting renewable energy sources.

However, the shift remains uneven, with the Americas and Europe leading adoption, while APAC, including China, India, and Japan, is showing rising interest due to lower electricity costs, efficient infrastructure, and government incentives. Alongside renewable energy adoption, alternative power solutions are also gaining traction.

In June 2026, Cummins partnered with Circe Energy to provide natural gas generator sets for a behind-the-meter microgrid supporting an HPC data center in Texas, with deliveries scheduled through 2030.

RECENT DEVELOPMENTS OR NEWS IN THE DATA CENTER GENERATOR MARKET

1. In April 2026, Rehlko secured an additional 1.7 GW of backup power orders from hyperscale data center customers, reflecting the growing demand for reliable power infrastructure. The orders further strengthen the company's position in supporting large-scale AI and cloud data center developments globally.
2. In October 2025, Rolls-Royce launched the mtu Series 4000 L64 gas generator, specifically designed for the data center market to address the rising AI-driven power demand. The generator offers fast deployment and lower emissions than diesel systems, supporting data center operators seeking reliable, more sustainable backup power solutions.
3. In October 2024, Baudouin launched new diesel generators, specifically designed for data centers. These generators deliver power outputs ranging between 200 kVA and 5,250 kVA. The company has planned to launch the 20M55 genset in the coming years; it is slated to offer a power output ranging between 4,250 kVA and 5,250 kVA.

GLOBAL DATA CENTER GENERATOR MARKET DRIVERS

Rising Focus on Business Continuity and Disaster Recovery

Business continuity and disaster recovery have become key priorities for data center operators, as uninterrupted access to digital services is critical for enterprises, governments, and cloud providers. Consequently, generators are increasingly being deployed as an essential component of power redundancy strategies to ensure continuous operations during utility failures and emergencies.

In the APAC region, data center operators are increasingly investing in advanced backup power architectures to strengthen disaster recovery capabilities and improve operational resilience. For instance, STT GDC's Ahmedabad data center is equipped with an N+N generator configuration, dual utility feeds, and multiple fuel storage systems, ensuring reliable power availability during extended outages and emergency scenarios.

The emphasis on business continuity is equally strong across Europe and the Middle East, where operators are investing heavily in resilient backup power systems. For example, despite major disruptions such as power outages in Spain and regional tensions affecting facilities in the Middle East, data centers equipped with robust generator systems and redundant power architectures have been able to maintain service continuity and minimize operational disruptions.

Surge in Hyperscale and AI Data Center Construction

The rapid expansion of hyperscale and AI data centers is significantly increasing the demand for generators, as these facilities require uninterrupted and highly reliable power to support energy-intensive AI workloads. The growing power requirements of AI clusters are driving operators to invest in larger and more advanced backup and on-site power generation systems.

Generators have become a critical component of hyperscale and AI data center infrastructure, ensuring business continuity during grid outages and addressing challenges related to power availability and utility connection delays. As data center capacities continue to grow, operators are increasingly prioritizing resilient backup power systems to maintain high uptime and operational reliability.

In 2025, Baudouin introduced its high-capacity 20M61 data center generator, offering up to 6,250 kVA for hyperscale and AI-driven facilities. The launch demonstrates the industry's shift toward larger and more efficient generator systems capable of supporting the increasing power densities of modern data centers.

DATA CENTER GENERATOR MARKET TRENDS & OPPORTUNITIES

Integration of Generators with Battery Energy Storage Systems (BESS) and Microgrids

Pairing generators with battery storage and microgrids is becoming increasingly important as BESS can deliver instant power while generators start up, improving resilience during outages and reducing the dependence on diesel-only backup. As per NEMA, energy storage and microgrid integration are now central to meeting the rising data center demand, while IEEE notes that BESS can provide instant power and generators remain standard as redundant backup equipment.

Microgrids are becoming a practical enabler for modular AI data centers, especially where operators want faster deployment and more flexible energy sourcing. Crusoe and Redwood Energy launched a microgrid powered by solar and repurposed EV batteries for modular AI data centers, demonstrating how storage-led microgrids can support new buildout models.

In Europe, generator and battery integration is increasingly being used to strengthen grid flexibility without sacrificing uptime. The Dublin data centers of Keppel DC REIT use BESS along with UPS and standby diesel generators, with the batteries helping store off-peak energy, stabilize the grid, and accelerate development timelines.

Adoption of Alternative Fuel Generators

The utilization of alternative fuel generators is experiencing significant growth within the data center sector. This surge is driven by operators aiming to strike a balance among reliability, sustainability, compliance with regulations, and energy security.

The growing emphasis on carbon reduction and environmental compliance is driving data center operators to explore cleaner backup power solutions. As a result, alternative fuel generators are emerging as a critical component of sustainable and resilient data center infrastructure.

HVO is gaining significant traction as it can be used in existing diesel generators with minimal modifications. The fuel offers substantial carbon emission reductions while maintaining the reliability and performance standards required for mission-critical data center operations.

DATA CENTER GENERATOR MARKET RESTRAINTS

Stringent Emissions Regulations and Environmental Compliance Requirements

The increasing implementation of stringent emissions regulations and environmental compliance requirements is becoming a significant challenge for the data center generator market. While backup generators remain indispensable for ensuring uptime and business continuity, regulators and environmental agencies worldwide are imposing stricter standards on emissions from diesel and fossil-fuel-powered systems. As a result, data center operators and generator manufacturers face growing pressure to balance reliability with sustainability and regulatory compliance.

In the European Union (EU), the Stage V emissions standard requires diesel generators to minimize nitrogen oxide and particulate matter emissions, forcing companies across multiple sectors such as data centers to invest in advanced and sustainable generators.

The tightening air-quality regulations and environmental compliance requirements among the major data center markets such as the US, Ireland, Singapore, the UK, and Australia are increasing restrictions on the use of diesel generators through emissions reporting, permitting obligations, and operating-hour limitations, thereby reducing the operational flexibility of conventional backup generators.

Low Adoption of Generators in Regions with Strong Power Grid Facilities

The low adoption of backup generators in regions with highly reliable power grid infrastructure acts as a notable restraint on the growth of the data center generator market. In developed regions, where electricity networks offer high stability, low outage frequency, and robust redundancy, data center operators may reduce their dependence on extensive generator installations, thereby limiting market expansion opportunities.

Norway benefits from a highly stable power system fuelled predominantly by hydropower. This reliable and sustainable electricity supply allows data centers to depend more on the national grid, limiting generator usage to contingency scenarios.

Sweden's electricity system is supported by a combination of hydropower, nuclear energy, and growing wind capacity. The country's stable and low-emission power infrastructure reduces the need for frequent generator operation in data center environments.

DATA CENTER GENERATOR MARKET SEGMENTAL ANALYSIS

INSIGHTS BY SYSTEM CAPACITY

Generators with capacities ranging from 1.5 MW to 3 MW dominate the system capacity segment with the largest share of around 50% of the global data center generator market. These are commonly used in data centers with power needs ranging between 3 MW and 5 MW. These generators often support critical infrastructure and cooling systems. Data centers with these generators often employ N+N or 2N redundancy configurations to enhance reliability and ensure continuous operation during power interruptions.

The flexibility of 1.5 MW–3 MW generators allows for customization to meet the specific data center needs, including the addition of features such as advanced monitoring and noise reduction, thus helping segmental growth.

INSIGHTS BY SYSTEM

Based on the system, the HVO fuel shows significant growth with the fastest-growing CAGR of 30.26% during the forecast period. HVO, also known as green diesel, is emerging as a sustainable alternative to traditional diesel in data centers. Produced by combining vegetable oils with hydrogen, HVO helps reduce carbon emissions and dependence on fossil fuels.

HVO matches traditional diesel in energy content, density, and viscosity, while offering a higher calorific value that provides greater power per unit of fuel. Although it may result in a slight 2%–3% reduction in horsepower, its performance in cold climates is notably superior.

Countries such as Germany are leading HVO adoption, supported by legislation and biofuel mandates. Germany’s comprehensive biofuel law and recent approval of synthetic fuels highlight the role of policy in promoting HVO adoption. Such regulations are crucial for encouraging wider adoption and supporting the transition toward sustainable fuel options.

INSIGHTS BY TIER STANDARD

Based on the tier standard, the Tier III segment accounted for the largest global data center generator market share in 2025. Generator sets commonly used in Tier III data centers range from 1.5 MW to more than 3 MW, depending on the facility size, number of data halls, and IT demand. These facilities are also gradually incorporating eco-friendly power sources to support government-mandated sustainability goals.

Tier III data centers feature concurrently maintainable infrastructure components, with a minimum redundancy configuration of N+1 to ensure reliable operations during maintenance or equipment failure.

GLOBAL DATA CENTER GENERATOR MARKET GEOGRAPHICAL ANALYSIS

North America Data Center Generator Market

The US dominates the global data center generator sector due to its strong IT and electrical infrastructure. The US data center market is currently experiencing significant growth, driven largely by the increasing adoption of technologies, particularly AI.

In January 2026, Synapse Data Center Inc. proposed the development of a 1 GW off-grid data center campus in Alberta, Canada, comprising ten 100 MW buildings. The facility has been planned to operate on a closed-cycle natural gas power system.

Brazil holds a significant share of the Latin American data center market, driven by rapid digital transformation as well as the increasing adoption of AI, IoT, and big data technologies. In December 2025, Brazil’s National Bank for Economic and Social Development (BNDES) announced plans to launch a dedicated investment fund for AI and data center projects in early 2026, with an initial size of $96 million to $192 million.

In Colombia, diesel generators remain the favored choice for data center backup power due to their widespread application and the ability to manage high-power demands during outages.

Europe Data Center Generator Market

Data center investments in the UK are driven by multiple growth factors such as the increasing adoption of cloud computing services, the surging adoption of AI, ML, IoT, and big data, rising sustainability measures among data center and cloud firms, as well as increasing government support for data centers. In June 2026, Era4, a developer in the UK, announced plans for a landfill gas-powered data center in Canterbury, thereby showcasing how on-site generation from waste methane can directly power AI infrastructure; this will remove the sole reliance on the national grid.

Germany remains one of the leading markets for data center development in the European region. In March 2026, Stadtwerke Lübeck launched its first self-operated data center in Lübeck to support the local businesses and public sector organizations requiring digitally sovereign services. The facility features redundant infrastructure and sustainable energy integration, including solar power generation and waste-heat recovery.

In the Netherlands, diesel and backup fuel generators, DRUPS systems, as well as HVO are the popular alternatives for data center power generation. The AMS1 data center of CyrusOne is equipped with fully rated, distributed, redundant LV backup generators, guaranteeing 48 hours of fuel autonomy and uninterrupted operations.

Finland and Iceland are emerging as key Nordic data center markets, driven by digital transformation, renewable energy availability, and favorable climatic conditions. In January 2026, Prime Data Centers announced its plan to construct an AI-ready data center outside Helsinki for a total investment of around $2 billion; construction is expected to begin in 2027.

Middle East & Africa Data Center Generator Market

The UAE remains one of the leading data center markets in the Middle East, with Dubai and Abu Dhabi serving as key hubs for hyperscale and colocation developments. In June 2026, Asprofin proposed a large-scale data center investment program of up to $12 billion in the UAE, comprising three hyperscale campuses with AI computing capacity ranging from 750 MW to 1.28 GW. The project aligns with the UAE's strategy of promoting energy-efficient and sustainable data center developments.

South Africa is working toward a more sustainable and carbon-free country. The country has pledged to achieve net-zero carbon emissions by 2050. Additionally, South Africa is trying to shift its energy mix from coal to renewable energy sources such as wind and solar energy.

The Nigerian government has launched numerous programs to create data centers. The National Digital Economic Policy Strategy (NDEPS) aims to digitalize Nigeria by 2030 through many efforts. The government's digitization policies encourage investment in data centers.

APAC Data Center Generator Market

In China, internet, cloud, and telecommunications service companies invest in data centers. Alibaba, China Unicom, China Telecom, Baidu, Tencent, and China Mobile operate in the nation. The colocation operators include GDS Services, Tenglong Holdings Group, BDx, Chindata Group, Shanghai Atrium (AtHub), and Global Switch.

Maharashtra, Uttar Pradesh, Telangana, and Tamil Nadu are the primary data center hubs in India that are witnessing several data center investments. States such as Karnataka and West Bengal are emerging markets in terms of data center development. In December 2025, Microsoft announced its plans to invest around $17.5 billion to expand AI infrastructure across the country within the next four years.

DATA CENTER GENERATOR MARKET VENDOR LANDSCAPE

The global data center generator market has the presence of key generator providers such as Caterpillar, Cummins, Generac Power Systems, Himoinsa, HITEC Power Protection, Mitsubishi Electric, Rehlko (Kohler Energy), Rolls-Royce and others.

INNIO, via brands such as Genbacher and Waukesha, provides companies with efficient and reliable energy solutions. In 2019, the company launched the Fast-Start 3 MW natural gas generator for data centers, with NorthC Datacenters using its innovative hydrogen-capable engine technology in Eindhoven, Netherlands. The data center's hydrogen backup power solution is part of a green project.

Scania has positioned its engines as reliable and fuel-efficient solutions for standby and backup power systems in mission-critical environments. Its diesel engines are used to power generator sets built by third-party manufacturers; they are increasingly being utilized in vital applications such as data centers, hospitals, telecom facilities, and industrial infrastructure.

In 2026, Wärtsilä received an order for 40 34SG gas engines with a total capacity of 412 MW for a hyperscale data center project in Ohio. This project will primarily operate off-grid to support hyperscale AI workloads.

In January 2026, American Intelligence & Power (AIP Corp) partnered with Caterpillar and Boyd CAT to support the Monarch Compute Campus, an AI-focused data center project in West Virginia. Under the agreement, AIP ordered 2 GW of fast-response natural gas generators integrated with BESS.