15000 litre steel bunded generator bulk tank in black with orange security cabinet door

Diesel Tanks / Generator Bulk Tanks

15000 Litre Steel Bunded Generator Bulk Tank

SKU TAN.GBI-15802

Price (ex VAT)£14,319.00

£250 delivery applies per order, excluding VAT.

Product information

Product description.

15000 Litre Steel Bunded Generator Bulk Tank | TAN.GBI-15802

Compact, compliant fuel storage for backup generator systems

The GBI-15000 is a robust 15000-litre steel bunded fuel tank. It’s ideal for use as a reliable bulk storage solution for diesel-powered generator systems. Engineered to meet BS799 pt5 standards, this compact, medium-sized generator fuel tank is a perfect fit for installations where space is limited but uptime is critical. It suits commercial premises, remote infrastructure and emergency backup sites.

Bespoke Construction at a Reasonable Price

Our 15000 litre steel bunded generator bulk tank is small but highly customisable to your specifications. Its construction will follow a proven, helpful process which starts with your enquiry and our full understanding of your application and technical requirements. We swiftly follow with prompt quotes with custom drawings where necessary. We are also adept at guiding you through the relative merits of this tank’s optional extras. This means that you’ll be completely comfortable with your choice of generator fuel tank and with our competitive price.

Key Features at a Glance

  • Nominal capacity: 15012 litres
  • Useable capacity (with OPV): 15007 litres
  • 10-year warranty (subject to maintenance as per manual)
  • Bunded design – 110% containment to meet environmental compliance
  • Lockable front security cabinet – with options for roller shutter upgrade
  • High-performance anti-corrosive finish – Zinfos 340 WS system and your choice of RAL colour.
  • Top and bottom feed/return ports for generator and fuel polishing setups
  • 610mm manway inspection hatch
  • Lifting eyes for ease of transport (empty only)
  • Earthing Bolt to connect a ground wire for electrical safety

️Tank & Bund Construction

The GBI-15000 features a double-skinned design, comprising an inner primary tank enclosed within an outer bunded tank. This configuration provides 110% containment, ensuring compliance with environmental regulations and safeguarding against potential leaks. The tank is constructed from construction plate steel to BS EN 10025-2:2004 S275JR and mounted on full-width bearers for stability. The outer tank serves as a protective barrier, offering secondary containment in the unlikely event of inner tank failure.

Fuel Compatibility

This tank is suitable for the safe storage of a wide range of fuels including:

  • White diesel (DERV)
  • Red diesel (gas oil)
  • Heating oil
  • Hydrotreated Vegetable Oil (HVO)

Always check with your fuel supplier for compatibility if using additive blends or alternative fuels.

Compliance

All Atlantis Generator Bulk Tanks are built in accordance with BS799 Part 5 with the required internal stays. Each tank incorporates a bunded outer shell with a minimum 110% capacity, ensuring full compliance with environmental safety standards. This 15000 litre generator bulk tank also includes a secure fill point with non-return valve and drip tray as standard – helping prevent spills, overfills, and costly downtime during installation or servicing.

Technical Highlights

  • Outer tank dimensions: 5065mm (L incl. cabinet) x 2000mm (W) x 2000mm (H)
  • Inner tank dimensions: 4227mm (L) x 1892mm (W) x 1996mm (H)
  • Brimful capacity: 15802 litres
  • Nominal capacity: 15012 litres
  • Useable capacity (c/w OPV): 15007 litres
  • Dry weight: 2683 kg
  • Wet weight (full): 15997 kg

Material: Structural steel grade S275JR that meets the BS EN 10025-2:2004 standard
Finish: Zinfos 340 WS (150μm WFT / 75μm DFT)
Colour: Select your preferred tank colour by referring to the RAL colour chart
Mounting: Full-width base bearers

Supplied as Standard – Fittings & Connections

  • 1 x 2″ fill point (inside cabinet), with lever ball valve, non-return valve & drip tray
  • 1 x 2″ tank-to-bund vent
  • 1 x 2″ bund-to-atmosphere vent
  • 1 x 1.5″ pump feed (inside cabinet)
  • 1 x 1″ pump return (inside cabinet)
  • 1 x 1.5″ top feed & return (for fuel polishing)
  • 1 x 1.5″ top feed & return (for generator)
  • 1 x 1″ top suction drain port (plugged)
  • 1 x 1″ bottom outlet with internal isolation valve & T-bar handle
  • Flange connection for double-skin pipe entry (flange type TBC)
  • 2 x 1.5″ tank sockets (inside cabinet)
  • 1 x 1.5″ bund socket (rear of tank)
  • Tank Assembly Pack – Includes cap & chain, labelling kit, and isolation fittings

Optional Extras

️ Applications

  • Backup power systems: Commercial buildings, data centres, and healthcare facilities
  • Remote installations: Fuel supply for off-grid or hard-to-reach sites
  • Emergency services: Support for critical infrastructure and response hubs
  • Industrial operations: Fuel delivery for plant and processing equipment

Contact Us

Please contact our made-to-order tank specialist if you require any further information: 0330 999 1100. Or use our contact form if you prefer.

We look forward to helping you with your next power generation project.

Official resources

Documents & drawings.

Download the current product documents, drawings and support information.

Applications & sectors

Specified for the work around it.

This product is relevant to farm machinery, agricultural contractors, land management, plant and fleet operations. Confirm the intended stored material, capacity and site requirements before ordering.

  • Farms and agricultural businesses
  • Land and estate management
  • Plant and fleet operations
Explore Diesel tanksRead the diesel fuel tank buying guide