GenFree™ Case Study Arena Group - Boss Cabins

Case Study

GenFree™ Case Study Arena Group

Boss Cabins recently collaborated with one of the world’s leading event solutions providers Arena Group to trial our new generator-free welfare cabin GenFree™️ at one of their high profile busy events - The Open Golf Championships at the Royal Liverpool Club Club in Hoylake.


Arena Group


Deep Green GenFreeTM Canteen Twin 24


17th April - 19th May 2023 inclusive


The Open, Hoylake Golf Course

General Synopsis

For the purpose of the trial, a Generator Free 24ft welfare unit with canteen, separate office, drying compartment and twin freshwater toilets was supplied by Boss Cabins customer, Reactive Hire.


Energy consumption and battery: Data from the occupancy monitor shows the cabin was used heavily throughout the five week period for over 7 hours per day, 7 days per week. Despite this, the battery State of Charge remained high for the entire period never dropping below 97% with full functionality of all times in the cabin throughout the period.

Heater: Only 8 litres of fuel were used in the heater during the five week period.

Waste: The toilet tanks only required to be pumped out twice during the five week period, whereas as in a conventional welfare cabin these would be pumped out weekly, saving three service visits to site.

Noise pollution: With no generator onboard, there was 100% silent operation at all times.

Cost and Carbon Saving Analysis

By replacing this standard ‘eco’ cabin with a GenFree unit for the period, Arena Group have directly saved during the period approx. 407 litres of fuel and avoided 1286kg of CO2 emissions. The fuel cost avoided is £875.
The toilet also only required to by pumped out twice rather than 5 times during the period saving another £225 over the period, plus avoiding the environmental impact of those visits to site by vehicles using fuel and emitting CO2.

In addition, by not having a generator on-board, the cabin avoids any generator servicing costs which in a cabin of this size would average out to £44 weekly. Over 5 weeks, a further £220 would have been saved.

For more information, contact the Boss Sustainable Welfare Team on 01778 300475.

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Arena Group

Arena Group was founded 250 years ago and is now a globally recognised provider of large scale temporary infrastructure & integrated event solutions, who pride themselves on delivering extraordinary and memorable live event experiences, safely, on time and within budget. Arena Group place a strong emphasis on sustainability and each division of Arena has robust policies in place for managing their environmental impact of their operations, including compliance with regulations. Policies cover areas such as the disposal of materials, recycling, greenhouse gas emissions, and waste disposal. They are committed to using sustainable materials, calculating our carbon footprint and off-setting this by planting trees in the UK. View their LinkedIn post about how GenFree worked for them here


About Boss Cabins/Deep Green/GenFree

Manufacturer Boss Cabins is the UK’s market leader in the design, build and aftercare of welfare cabins. With a passion for innovation, we are constantly finding ways to improve our products, working closely with our customers to provide the solutions they require. Boss Cabins has brought to market a number of important and exclusive innovations that improve the function, comfort, safety and longevity of our cabins while lowering their environmental impact and creating a product that is the most sustainable in the industry.

ver the past two years, Boss Cabins has been helping sites to go carbon-free with their patented Deep Green 2030 welfare and toilet range, proven to operate almost entirely from solar energy, minimising fuel use and producing virtually zero emissions. Also incorporating rain harvesting and water recycling and vastly reducing the need to visit site to service the cabins, the Deep Green range has had its carbon savings verified by respected independent industry watchdog Carbon Footprint. Now Boss Cabins have taken their solar innovation one step further with the launch of the patented GenFree range. This 100% silent running welfare cabin range is the world’s first towable welfare range with no on-board generator at all. With all electrical power supplied by an advanced solar system with extendable arrays and vertical panels, this breakthrough in site welfare is available in towable and static versions in sizes from 12ft to 32ft.

Find out more

Discover our Generator Free Range

View the Range


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