Case Study

Hospital Generator Backup: Meeting the 96-Hour Fuel Mandate

HealthcareTampa, Florida
The Situation

Background

A 500-bed acute care hospital in Tampa operates four large diesel generators totaling 3,000 kW of backup power capacity. The generators are the facility's lifeline during power outages — keeping ICU ventilators running, operating room lights on, pharmacy refrigeration active, and electronic health records accessible.

CMS (Centers for Medicare and Medicaid Services) requires hospitals to maintain sufficient fuel for 96 hours of generator runtime. For this facility, that means keeping 12,000 gallons of ULSD on hand at all times across four generator day tanks and a central storage tank.

The Challenge

What Was at Stake

The hospital's previous fuel vendor delivered on a monthly schedule, topping off the storage tank once every 30 days. Between deliveries, fuel levels could drop to 60-70% of capacity — well below the 96-hour compliance threshold. During their last Joint Commission survey, the hospital received a citation for insufficient generator fuel reserves.

The hospital also had concerns about diesel fuel degradation. With monthly deliveries and relatively low consumption (generators run only during outages and weekly testing), fuel was sitting in tanks for weeks. Their maintenance team had detected microbial growth in tank samples twice in the previous year.

The Solution

How BettyJet Delivered

BettyJet implemented a keep-full service protocol specifically designed for hospital generator compliance. We deliver ULSD weekly every Wednesday, topping all tanks to 95% capacity regardless of consumption level. This ensures the 96-hour threshold is never breached.

We also established an emergency response protocol with the hospital. BettyJet maintains the hospital's account as a Priority 1 customer. During any declared emergency or extended power outage, BettyJet commits to onsite fuel delivery within 4 hours, with follow-up deliveries every 12 hours until power is restored.

To address fuel degradation, BettyJet performs annual fuel polishing service on all generator tanks and adds biocide treatment with every delivery. Tank samples are tested quarterly for microbial contamination, water content, and fuel quality.

The Results

By the Numbers

0 (down from 1)

Compliance Violations

Never below 90%

Fuel Reserve Level

4 hours

Emergency Response Commitment

0 per year

Microbial Contamination Events

100%

Fuel Quality Tests Passed

96+ hours guaranteed

Generator Readiness

Client Feedback

What They Said

After the Joint Commission citation, we needed a fuel partner who understood that generator fuel is not a commodity — it is patient safety. BettyJet designed a keep-full program that keeps us in compliance every single day, not just on delivery day.

VP of Facilities, Tampa Acute Care Hospital

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