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Fuelling Reliability: Why Financial Institutions Need Fuel Polishing

15th April 2025

With business continuity and data security paramount, financial institutions must prioritise every aspect of operational reliability – including something as seemingly mundane as the quality of their backup fuel. Fuel polishing, the process of cleaning and conditioning stored diesel fuel, plays a critical role in ensuring the performance and longevity of backup power systems. For banks, credit unions, insurance companies, and investment firms, this translates directly into uninterrupted operations, regulatory compliance, and protection of reputation and assets.

Financial institutions rely heavily on uninterrupted power. From maintaining server uptime for digital banking services to ensuring security systems, ATMs, and communication networks remain operational, even a brief outage can cause significant disruption. To safeguard against such disruptions, these institutions maintain emergency generators powered primarily by diesel fuel. However, simply having backup power isn’t enough — the quality of the fuel that runs these generators is equally important.

Diesel fuel degrades over time. It can become contaminated with water, microbial growth (commonly referred to as “diesel bugs”), particulates, and sludge. This degradation compromises the performance of backup generators, potentially causing them to fail just when they are needed most. That’s where fuel polishing comes in.

What Is Fuel Polishing?
Fuel polishing is a preventive maintenance process that removes water, microbial contamination, sludge, and particulates from stored diesel fuel. It is performed using specialised equipment that filters, dehydrates, and reconditions the fuel without needing to dispose of it. Unlike simply replacing old fuel, polishing not only restores the fuel to a usable state but also maintains the integrity of the entire fuel system, including tanks and lines.

Why Does It Matter?
Operational Continuity:
In the financial sector, even a few minutes of downtime can lead to substantial monetary losses, not to mention damage to customer trust and institutional credibility. Fuel polishing ensures that backup generators perform reliably when called upon, helping institutions avoid service interruptions.

Regulatory Compliance:
Financial institutions are bound by a wide range of regulations related to business continuity and disaster recovery. The failure of backup systems during an emergency could lead to non-compliance with laws such as the Sarbanes-Oxley Act (SOX), the Gramm-Leach-Bliley Act (GLBA), or requirements from the Office of the Comptroller of the Currency (OCC). Regular fuel maintenance, including polishing, supports compliance by strengthening business continuity plans.

Cost Savings and Asset Protection:
Dirty fuel can damage expensive generator components, including injectors and fuel pumps. Repairing or replacing these parts — or the entire generator — is a costly endeavour. Fuel polishing extends the life of the fuel and the equipment, reducing capital expenditure and minimising emergency repair costs.

Environmental Responsibility:
Disposing of contaminated diesel fuel can be costly and environmentally harmful. Polishing allows institutions to clean and reuse existing fuel, reducing waste and supporting sustainability initiatives, which are increasingly important to shareholders and regulators alike.

Preparedness for Unpredictable Events:
Whether it’s a storm, cyberattack, or local utility failure, financial institutions must be ready to operate independently of the grid. Polished fuel ensures generators are prepared at all times, providing peace of mind for facility managers and executive leadership.

Fuel polishing might not be the most high-profile item on a financial institution’s operational checklist, but it is undeniably critical. It supports essential systems that keep services running, ensures compliance with legal and regulatory mandates, protects valuable equipment, and contributes to an overall strategy of resilience and preparedness. For financial institutions that cannot afford to go offline, fuel polishing is not a luxury — it’s a necessity.

FUEL POLISHING   |   W-PFS PREMIUM RANGE   |   WB CLASSIC RANGE  |   W-HL HIGH LIFT RANGE  

FUEL POLISHING IN BANKING  

Fuel Polishing: An Essential Maintenance Process

8th April 2025

Fuel polishing is a vital process for maintaining fuel quality, particularly in industries where stored fuel is critical for operations. Over time, fuel can degrade due to contamination from water, microbial growth, and sediment build-up, leading to engine inefficiencies and potential failures. Fuel polishing is a specialised filtration and cleaning process that restores fuel quality, ensuring optimal performance and compliance with industry standards.

What is Fuel Polishing?
Its the process of removing contaminants from stored fuel, typically diesel, through a multi-stage filtration system. Unlike simple fuel filtering, which occurs at the point of use, fuel polishing is a proactive maintenance procedure that ensures stored fuel remains in optimal condition for extended periods.

How does it work?
WASP Fuel Polishing Systems are designed to remove contaminants and improve fuel quality, preventing engine issues and extending fuel storage life. This process includes:
Filtration: Multi-stage filters remove large debris and finer particles.
Water Separation: Specialised equipment extracts free and emulsified water to prevent microbial growth and corrosion.
Centrifugation: Centrifugal force is used to separate impurities from fuel.
Biocide Treatment: Where necessary this eliminates bacteria and fungi in cases of microbial contamination.

Where is Fuel Polishing Needed?
Fuel polishing is crucial in various industries where fuel storage is a necessity.

Backup Power Systems
Hospitals, data centres, and critical infrastructure facilities rely on backup generators to ensure uninterrupted operations during power outages. Contaminated fuel can cause generator failures, leading to costly downtime and potential safety hazards. Regular fuel polishing ensures that stored diesel remains reliable and ready for use.

Marine Industry
Boats and ships store large quantities of fuel, often in environments prone to water contamination. Water intrusion, condensation, and microbial growth can lead to engine issues, reduced efficiency, and even complete engine failure. Fuel polishing helps maintain fuel integrity, reducing maintenance costs and improving vessel performance.

Agriculture and Construction
Heavy machinery, such as tractors and excavators, often rely on stored fuel for continuous operation. Contaminated fuel can lead to equipment breakdowns and increased maintenance costs. Fuel polishing ensures that machinery runs smoothly and efficiently, reducing downtime and extending engine life.

Military and Emergency Services
Military vehicles, emergency response units, and disaster relief organisations depend on fuel that must be ready for immediate use. Fuel polishing helps maintain the integrity of stored fuel, ensuring that equipment functions reliably in critical situations.

Aviation Industry
Although aviation fuel has stringent storage and maintenance protocols, emergency backup fuel for ground support equipment and generators also requires maintenance. Fuel polishing helps prevent operational disruptions due to fuel contamination.

Benefits of a WASP Fuel Polishing System
Prevents Engine Failures: Clean fuel reduces filter and injector clogging, lowering the risk of engine breakdowns.
Improves Combustion Efficiency: Enhances fuel performance, leading to better power output and lower emissions.
Extends Fuel Storage Life: Keeps stored diesel fresh, especially important for backup generators and marine vessels.
Reduces Maintenance Costs: Minimises wear on fuel system components, decreasing the need for frequent repairs.
Enhances Environmental Compliance: Ensures cleaner fuel combustion, reducing harmful emissions.

Fuel polishing is an essential preventive maintenance practice for industries that rely on stored fuel. Whether for backup power, marine vessels, heavy machinery, or emergency services, clean fuel ensures operational efficiency and reliability. Regular fuel polishing minimises risks associated with fuel contamination, ultimately leading to improved performance, cost savings, and enhanced equipment longevity.

FUEL POLISHING   |   W-PFS PREMIUM RANGE   |   WB CLASSIC RANGE  |   W-HL HIGH LIFT RANGE

MARINE & BOATING   |   DATA CENTRES   |   HEALTHCARE  |   BANKING

 

WASP Power and Filtration Solutions - supplying fuel polishing systems, filters, additives, pumps, side stream filtration, fuel testing services, generator servicing and oil change systems.

+44(0)1923 606600

North Orbital Commercial Park St Albans, Herts, AL1 1XB, UK