Finning Power Rental (FPR) has launched a rebuild programme for its large rental generators to improve fleet availability as demand for temporary power solutions continues to rise.
Beginning with the refurbishment of a 1000kVA unit by the company’s engineering team in Dublin, the initiative will see Finning Power Rental refurbish around 15 generators this year.
The programme will cover multiple high-capacity units across the fleet, including 1000kVA, 1500kVA and 2000kVA generators, extending equipment life while delivering sustainability benefits such as reduced lifecycle emissions and improved resource efficiency.
The investment comes in answer to growing demand for high-capacity temporary power solutions and emergency response across a range of sectors including marine, oil and gas assets, infrastructure projects, rapid data centre expansion, major events and emergency power requirements.
The pressure is intensifying on the UK’s electricity system, where supply margins have at times fallen to low single digits during peak winter periods, alongside delays to new grid connections that can leave projects waiting years for permanent power.
The first unit to undergo the programme is a Cat® XQ1000 generator powered by a C32 engine, originally built in 2012. As part of the rebuild, the engine underwent a zero-hour overhaul, meaning it was fully stripped down, inspected and rebuilt using new or reconditioned components.
During the rebuild, worn components were replaced, while key parts were carefully inspected against manufacturer guidelines to ensure they could be safely reused. Once reassembled, the engine was power-tested before being reconnected to a fully rewound alternator and added back to the high-capacity rental fleet.
The programme goes beyond engine work alone. Key systems including the engine, alternator, cooling pack and container are assessed at component level to determine the level of repair or rebuild required, with the aim of ensuring each unit can complete another full operational lifecycle of around 12 to 14 years.

Cat XQ1000 generator powered by a C32 engine
Cheryl Griffith, Technical Operations Manager at Finning Power Rental, said: “We’re seeing growing demand for temporary power across a wide range of applications, from planned projects through to situations where customers suddenly need reliable power at short notice. Having high-capacity generators available and ready to deploy is critical.
“This rebuild programme helps us extend the life of proven equipment while strengthening the availability of large generators in our fleet, so we can respond quickly when customers need additional power or emergency support.”
The rebuild work is carried out by Finning Power Rental’s Dublin engineering team, covering everything from engine rebuilds and electrical work to container repairs and safe lifting operations. The programme is delivered by a team of six engineers and technicians, with additional regional support brought in as needed.
Alongside the rebuild of large rental generators, Finning Power Rental is also refurbishing units within its Norsok and Rigsafe fleets to support customers operating in the oil and gas sector.
To learn more about Finning Power Rental, visit www.finningpowerrental.com
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