Caterpillar Inc. today announced the introduction of a 3.1 MW power node for the Cat® G3520 Fast Response natural-gas generator set, launching the company’s largest single-unit output with this capability for supporting standby and demand response in grid connected and microgrid projects.
Available now worldwide, the 3.1 MW Cat G3520 Fast Response generator set is engineered for applications where the need for uninterrupted power is essential. It significantly reduces downtime through diesel-like performance and enables customers to participate in utility-sponsored programs, creating new avenues for operational cost recovery and revenue generation.
Built to Succeed: Minimizing Downtime and Delivering Power Availability
The Cat G3520 Fast Response provides rapid and reliable power delivery through its unique capabilities. It can start and accept load from a cold start in under 10 seconds, aligning with NFPA 110 requirements. This standard supports the provision of dependable backup power for healthcare institutions, data centers, emergency service centers, and high-occupancy buildings where operational continuity is essential.
The generator set is available in both 50 and 60 Hz applications, offering flexibility for global deployment.
Delivering Financial Benefits Through Demand Response Opportunities
The Cat G3520 Fast Response generator set offers customers opportunities for additional revenue via participation in demand and emergency response programs that incentivize users to reduce or shift electricity consumption during peak demand periods. These programs can be further optimized through integration with a Distributed Energy Resource Management System (DERMS) such as Cat AMP, which automatically enrolls customers and confirms their program participation in real time, maximizing the economic benefits.
“Our fast-response natural-gas generator sets deliver unique performance comparable to the start-up and load acceptance of diesel-fueled power solutions,” said Melissa Busen, senior vice president for Caterpillar’s Electric Power Division. “This new 3.1 MW power node supports our customers’ energy resilience in critical power applications.”







































