Deep Green Case Study Ness Engineering LTD - Boss Cabins

Case Study

Deep Green Case Study Ness Engineering LTD

UK Welfare Manufacturer Boss Cabins recently supplied Shetland-based company Ness Engineering LTD. With 4 x Solar-Powered sustainable Deep Green Welfare Units.


Ness Engineering Ltd.


4 x Deep Green Canteen Twin 12


13th Feb to 26th April 2023 inclusive


Shetland, Scotland


The towable 12ft welfare Canteens are for use on various projects around Shetland. The units were delivered and in use by 13th Feb. This case study shows the results for the date period 13th February to 26th April inclusive.



From the 24/7 monitoring and reporting of occupancy and power consumption data, we know that the units have been in regular use. During the 53-day period of this case study, all four cabins have performed exceptionally. Despite being in the early part of the year and in an extreme northerly location, one of the cabins has derived 100% of its electrical energy requirements solar with the generator only starting up for its regularly programmed maintenance turnover. The other cabins have derived 98%, 93.4%, with the lowest being 88.3%. Between all four units, there has only been a combined generator runtime of 7 hours 37 minutes. The low generator run time means the units have been operating virtually silently throughout giving a peaceful work/rest environment in the cabins.




Comparing the Deep Green units to standard ‘eco’ welfare cabins (with 12V lighting and USB charging) with an estimated average generator run time of 4 hours per day, Ness have saved at least 1631 litres of fuel and avoided 4177kg of CO2 emissions (Scope 1) during the 53 day period. If you use a CO2 calculation that includes the Scope 3 emissions from the production of the diesel production process then this CO2 saving rises to 5154kg.


In cost terms, Ness have saved an average of £463 per week on fuel alone. In addition, we estimate the average weekly saving on generator and toilet servicing on a 12ft single toilet Deep Green unit to be £57.90, increasing the saving across the 4 cabins to £694.60 per week.


Over the 53 day period, total fuel saving is estimated to be £3506. With toilet servicing and generator servicing savings included, that figure rises to £5259.




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Ness Engineering LTD

Ness Engineering is an established Electrical, Mechanical and Building Services company that has been setting standards for efficiency, innovation, and quality since 1986. Based in Shetland, Ness undertake a wide range of electrical, mechanical, building and waste management contracts across the Highlands and Islands, and provide a range of plant hire equipment.

Ness Engineering


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

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