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标题: "LNG and Data Centers: A New Fire Protection Challenge"
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---

[

Insight and analysis on the data center space from industry thought leaders.

](https://www.datacenterknowledge.com/program/industry-perspectives)

## Powering Behind-The-Meter Power: Where LNG and Process Safety Meet Digital Resilience

As LNG becomes critical infrastructure for data center resilience, operators must use performance-based fire modeling and proactively integrate fuel systems into their overall safety strategy.

Getty

Data center development is growing at a staggering pace in the US. The massive power requirements and aggressive schedules for these projects have resulted in an industry shift towards [behind-the-meter power solutions](https://www.datacenterknowledge.com/energy-power-supply/why-data-centers-produce-their-own-power) to support on-site loads. Natural gas is emerging as the leading fuel source for the AI boom due to abundant US production capacity and an extensive pipeline distribution network. As a result, liquefied natural gas (LNG) is also emerging as a reliable [backup fuel strategy](https://www.datacenterknowledge.com/sustainability/replacing-diesel-in-ai-scale-data-centers-gas-engines-turbines-and-steam). Co-locating power generation and fuel storage with mission-critical data centers requires a comprehensive and cohesive fire protection strategy for the entire project site.

## Safely Shifting to Behind-the-Meter Power

Hyperscale and large enterprise data centers are increasingly relying on natural gas to fuel behind-the-meter power generation. This strategy reduces delays and uncertainties associated with relying on local utilities to increase capacity, but it also raises a new list of questions and concerns for data center developers, including:

- What are the risks associated with co-locating power generation with data centers?
- What are the governing codes and best practices that provide adequate safety?
- What are the options to ensure continuity in the event of a gas supply interruption?

Using a safety lens rather than strict code compliance, some owners and underwriters have been leaning on the NFPA 850 Standard for Fire Protection for Electric Generating Plants and High-Voltage Direct Current (HVDC) Converter Stations to define fire protection requirements for behind-the-meter power installations. Beginning with the 2026 edition, NFPA 850 was elevated from a “recommended practice” to a “standard,” which authorities having jurisdiction will likely begin to adopt and enforce. While NFPA 850 provides the framework for evaluating fire protection for the power-generation side of the site, it is often done in parallel to evaluating fire protection for the data center, with little to no coordination between the two. In some cases, adequate spacing is provided to treat the power-generation side separately from the data-center side. Still, as facilities scale up, adequate spacing alone may no longer be sufficient.

## The Rise of LNG in Data Center Power Strategies

The concept of behind-the-meter power and control of this critical resource may seem like an easy decision for mission-critical facilities, but what happens when you have a gas supply interruption? Having redundant gas turbines on-site only helps if you have a constant supply of natural gas to keep them running. The data center industry can learn from decades of power utility experience and lean on LNG for its backup power needs. LNG occupies approximately 1/600th the volume of natural gas in the vapor phase, making LNG storage relatively efficient. At present, the US has over 100 facilities that store LNG; on days of high demand that cannot be met by the normal flow of gas in the pipelines, these facilities vaporize the stored LNG to supplement the network. These existing facilities, however, are not equipped to meet the additional needs of data centers during [peak demand.](https://www.datacenterknowledge.com/uptime/from-capacity-to-chaos-how-ai-data-centers-challenge-the-grid) To provide a consistent, reliable flow of natural gas to behind-the-meter power equipment, data center projects can include on-site LNG storage that can be vaporized on demand, increasing the reliability of on-site power generation.

## Understanding LNG Fire Hazards in Data Center Environments

LNG itself is not flammable as a liquid. The fire risk arises during an unintended release, when LNG vaporizes and migrates to an ignition source. Therefore, aside from the obvious preventive measures, typical mitigation measures include strategic facility layouts to separate potential leak points from ignition sources and occupied buildings, spill collection systems, fire and gas detection systems, automatic emergency shutdown systems, and fire water systems. NFPA 59A, Standard for the Production, Storage and Handling of Liquefied Natural Gas (LNG), outlines facility siting and fire protection requirements and is typically enforced at the state level for data center projects. Vapor dispersion and fire modeling are commonly performed to inform performance-based design decisions for fire protection systems serving the LNG installation; these model results can also be used to mitigate risks to the data center and other occupied structures. Jensen Hughes emphasizes that performance-based modeling, rather than rule-of-thumb distances, provides defensible insight into credible fire scenarios at mixed-use sites where energy and digital infrastructure coexist.

## Building a Resilient Power Strategy

As LNG adoption grows, data center operators who treat fuel systems as core infrastructure, rather than ancillary utilities, will be better positioned to protect uptime, personnel, and long-term investments. Further, projects that proactively coordinate fire protection needs across the entire site will see more efficient and more effective system designs, leading to stable and resilient operations.