01 Hybrid Power Systems Combining Gensets and Battery Storage Hybrid power systems combining gensets with battery energy storage are gaining momentum as battery deployment accelerates globally. According to the IEA, 108 GW of battery storage capacity was added worldwide in 2025, a 40% increase from 2024, while battery-based UPS installations for data centers rose 30% to 45 GW. In the United States, the EIA projects 24 GW of battery storage additions in 2026, representing 28% of planned new generating capacity, reflecting growing adoption of integrated backup power architectures.
02 Digital Monitoring and Predictive Maintenance Technologies Digital monitoring and predictive maintenance technologies are gaining importance as asset operators prioritize reliability and cost optimization. According to the IEA, investment in digital technologies for electricity networks has increased by more than 50% since 2015, while predictive maintenance and data analytics can reduce operation and maintenance costs by around 5%, equivalent to nearly USD 20 billion in annual savings across power infrastructure. Growing deployment of connected sensors, cloud analytics, and AI-based diagnostics is accelerating condition-based maintenance strategies across critical power equipment, including gensets.
01 Investment and funding activity in the genset catalyst market reflects rising alignment between emission compliance requirements and stationary power demand growth. Capital allocation concentrates on catalyst manufacturing expansion, low-temperature SCR innovation, and durability improvements for intermittent engine operation. Funding flows come from established catalyst producers, specialty chemical firms, and infrastructure-linked investments driven by data centers and distributed power systems. Regional policy enforcement and retrofit demand further reinforce steady capital deployment across production and R&D ecosystems.
01 Stringent Emission Regulations Driving Catalyst Integration and Expansion of Data Centers Increasing Demand for Advanced Exhaust Catalysts Drives Market Governments across major economies continue to tighten genset emission regulations, directly increasing demand for catalyst-based exhaust after-treatment systems. EU Stage V limits NOx emissions to 0.4 g/kWh and PM to 0.015 g/kWh while introducing a particle number limit of 1 × 10¹² particles/kWh, effectively requiring DPF deployment in many applications. Similarly, U.S. EPA Tier 4 Final standards deliver up to 90% PM and 80% NOx reductions compared with older engine tiers, while India's CPCB IV+ norms cut PM emissions by approximately 90% and reduce NOx+HC limits from 4.0 g/kWh to 0.4 g/kWh. These increasingly stringent standards are accelerating the integration of SCR, DOC, and DPF technologies, thereby driving catalyst demand across both new and retrofit genset fleets.The rapid expansion of hyperscale and colocation data centers is driving demand for backup power infrastructure. According to the IEA, data centers consumed approximately 415 TWh of electricity globally, accounting for 1.5% of total electricity consumption, with demand projected to reach 945 TWh by 2030 due to AI workloads. Data center electricity use has grown by about 12% annually, increasing reliance on diesel and gas gensets equipped with advanced emission-control technologies to ensure uninterrupted operations.
01 Expansion of Grid Reliability Reducing Dependence on Standby Generation and Increasing Air-Permit Requirements for Extended Generator Operation Restraint Market Electricity networks across several developed economies are becoming more resilient through investments in transmission infrastructure, smart grid systems, automated fault management, and utility-scale energy storage. Improved service reliability reduces the frequency and duration of power interruptions for commercial and industrial users. Lower dependence on emergency backup power can extend generator replacement cycles and reduce procurement activity, particularly in regions with stable and highly reliable electricity supplies.Regulatory authorities are imposing stricter permitting and monitoring requirements for generator operation beyond emergency backup applications. Facilities seeking to use gensets for peak demand management, load balancing, or operational support often face additional emissions reporting, runtime restrictions, and environmental compliance obligations. Longer approval processes and higher administrative costs can reduce operating flexibility and limit adoption across applications requiring frequent or extended generator use.
01 Lengthening Grid Connection Timelines and Driving Demand for Retrofit, Modernization, and Lifecycle Extension Services Offers Opportunities for the Market Players Rising grid connection queues are creating new substantial opportunities for genset suppliers to serve projects requiring immediate power availability. Lawrence Berkeley National Laboratory reported more than 2,600 GW of generation and storage capacity waiting in U.S. interconnection queues during 2025, while UK connection applications exceeded 700 GW and the European Commission estimates €584 billion in grid investments are needed by 2030. Industrial facilities, data centers, and infrastructure projects increasingly deploy gensets as interim and supplemental power sources, expanding demand for high-capacity standby and prime power systems before permanent utility connections become operational.Repowering and modernization opportunities are expanding as a large installed base of aging generation assets remains operational worldwide. According to GE, more than 12,000 generators remain in service globally, with many units exceeding 25 years of age. Government agencies such as the U.S. EIA continue to track extensive fleets of operating and standby generators, while India's Central Electricity Authority maintains active renovation and modernization programs for existing power assets. Growing preference for lifecycle extension, emissions upgrades, and digital controls retrofits is creating sustained demand for genset modernization solutions.
01 Securing Long-Term Availability of Low-Carbon Fuels and Balancing Fuel Flexibility with Performance Optimization Acts as Challenges for the Market Interest in renewable diesel, biomethane, biogas, and hydrogen-compatible generator systems is increasing as organizations pursue lower-emission power solutions. Supply chains for alternative fuels remain fragmented across many regions, with limited production capacity, inconsistent distribution networks, and significant price variability. Project developers often face uncertainty regarding fuel availability over the operating life of equipment, creating challenges for investment decisions and wider deployment of low carbon genset technologies.Generator manufacturers are expanding product portfolios to support multiple fuel options, including natural gas, diesel, renewable fuels, and hydrogen blends. Achieving stable performance across different fuel characteristics requires extensive engine calibration, testing, and certification. Variations in energy density, combustion behavior, and fuel quality can affect efficiency, emissions performance, and equipment durability. Managing such technical requirements increases engineering complexity and extends product development and validation timelines.
June 2026 Johnson Matthey expanded its emissions control technology portfolio with advanced catalyst solutions for diesel and gas-powered generator systems. The company focused on improving exhaust treatment efficiency, reducing emissions, and supporting compliance with stricter environmental regulations.
March 2026 BASF expanded its environmental catalyst solutions portfolio with new catalytic technologies for stationary engines and power generation applications. The developments support improved emission reduction performance in gensets used across industrial and commercial sectors.
January 2026 Umicore expanded its catalyst technology portfolio with advanced emission control solutions for heavy-duty engines and stationary power systems. The company focused on developing sustainable catalyst materials that improve pollutant reduction and engine efficiency.
October 2025 Tenneco expanded its Clean Air business with enhanced exhaust aftertreatment technologies for industrial engines and power generation equipment. The initiatives support manufacturers in meeting evolving emissions standards through advanced catalyst systems.