What Is HVO Backup Fuel and How Can It Support Data Centre Operations?

As data centre demand continues to grow, operators are exploring ways to reduce emissions while maintaining the high levels of reliability required for critical infrastructure. One emerging solution is the use of Hydrotreated Vegetable Oil (HVO) as a cleaner alternative to conventional diesel for backup power systems.

What Is HVO?

Hydrotreated Vegetable Oil (HVO) is a next-generation renewable fuel produced from 100% waste-based feedstock, such as used cooking oils and fats. It is designed to function as a direct substitute for traditional diesel fuel, without requiring changes to existing engines or infrastructure.

Compared to fossil diesel, HVO can reduce greenhouse gas emissions significantly while delivering comparable performance.

Why Backup Power Matters for Data Centres

Backup power systems are a critical component of data centre operations. In the event of grid disruption, generators must start quickly and reliably to ensure uninterrupted service.

In many markets, backup generators are also regularly tested under load to meet operational and regulatory requirements. This makes fuel quality, consistency, and reliability essential factors in day-to-day operations.

How HVO Works as a Drop-In Replacement

One of the key advantages of HVO is that it can be used as a “drop-in” fuel. This means it can be deployed in existing diesel backup generators without modification, enabling operators to adopt a lower-carbon fuel option without redesigning infrastructure.

This compatibility allows data centres to transition more easily toward cleaner energy solutions while maintaining operational continuity.

Validating HVO in Real-World Conditions

Recent pilot projects have shown that HVO can perform reliably across a full range of backup power scenarios, including generator startup, load transfer, and sustained operation under real data centre conditions.

Testing under real operational load is particularly important, as it reflects how backup systems are used in practice, not just in controlled environments.

Supporting Lower-Carbon Data Centre Operations

The use of waste-based fuels such as HVO offers a practical pathway to reducing emissions from backup power systems. By leveraging existing infrastructure, operators can make meaningful progress toward sustainability goals while maintaining the resilience required for mission-critical operations.

As the industry continues to scale, solutions that combine reliability, compatibility, and lower emissions are expected to play an increasingly important role in the energy transition for data centres.

Learn More

To understand how HVO-powered backup fuel is being applied in real-world data centre environments at Bridge Data Centres, read here.