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40ft Solar Site Hub (Site Office)
- Cat Class:
- 925-5540
Product description
Royal Wolf’s 40ft Solar Site Hub (Site Office) by United Rentals is a complete, off-grid workspace with built-in solar power, potable water, waste management and climate control. Designed for rapid deployment, this modular container transforms into an office, lunchroom or storage space in minutes, even on remote sites.
With its freestanding kitchenette, toilet, split system air conditioning and flexible layout options, it keeps teams productive and comfortable. Plus, you'll reduce operational costs and emissions while maintaining full-site functionality. Our Solar Site Hub (Site Office) is your all-in-one eco-friendly solution for projects needing immediate, reliable infrastructure anywhere across Australia and New Zealand. Royal Wolf’s 40ft Solar Site Hub (Site Office) by United Rentals is a self-sufficient, solar-powered workspace designed for rapid deployment and complete off-grid operation.
Images are for illustration purposes only. Stock models may vary.
- Fully equipped with toilet, kitchenette and water systems
- Modular layouts for offices, lunchrooms or storage
- Solar and battery system cuts costs & emissions on site
Features
Fully Off-Grid Utilities
Equipped with a smart solar array and 20kWH lithium battery system, the Solar Site Hub (Site Office) powers lighting, air conditioning, appliances and water systems without reliance on diesel. This means fewer refuelling runs, less noise and dramatically reduced emissions.
Versatile Modular Layouts
The 40ft Solar Site Hub (Site Office) can be configured as an extended lunchroom, office-lunchroom combo or a split space with dedicated storage racks. For larger crews or specialised needs, modular partitions allow easy integration of first aid rooms or breakout areas.
Self-Contained Facilities
Enjoy all essential amenities on site, including a self-contained toilet, washbasin, potable water supply and a 95L grey water tank. The kitchenette features hot and cold water, a 190L fridge, boiler, and seating for up to 20 staff.
Built for Comfort & Efficiency
Insulated walls and split system air conditioning ensure a comfortable, modern environment that supports productivity—whether in scorching regional conditions or cool coastal sites.
Lower Costs, Higher Returns
Switching from diesel-run site setups to a solar-powered Site Hub (site office) can save your project upwards of $25,000 per year*. With reduced fuel purchases, less servicing and lower maintenance costs, it’s a smarter investment that frees up your budget for critical works.
Outstanding Emission Reductions
The Solar Site Hub (Site Office) helps achieve serious environmental targets, cutting CO₂ emissions by more than 95%, or around 15,000kg+ over 12 months compared to traditional diesel site sheds. It’s also designed to maintain net zero operation over 90% of the year, making it an essential part of your ESG strategy.
*Based off 2025 OPEX Analysis for traditional diesel operated site sheds (equivalent to the Solar Site Hub Facilities). View our Solar Site Hub (Site Office) Brochure for more details.
Specifications
| Internal | External |
|---|---|---|
Length | 11.92m | 12.19m |
Width | 2.14m | 2.44m |
Height | 2.50m | 2.90m |
Door Opening (Width x Height) | 1.00m x 2.03m* | |
Lunchroom | 20m² (incl. appliances) | |
Tare Weight | 7,800kg | |
*Disclaimer: Dimensions and masses are approximate and may vary depending on the product series, configuration, fitout, inclusions, make and model. Maximum product masses must be used for lift planning. Contact United Rentals for product-specific information.
Cost & Emissions Comparison
We're committed to helping our customers reduce costs and cut their carbon footprint on every project.
Key Stats | |
|---|---|
Emission Reduction | Over 95%* (15,000kg+ in CO₂ reduction per year) |
Net Zero | Over 90% of the year |
Estimated Project Savings | $25,000+ (Over 12 months) |
OPEX Analysis: Traditional Diesel Set-Up vs Solar Site Hub
(Traditional diesel operated site sheds, equivalent to the Solar Site Hub facilities)
Traditional Diesel-Run Site Set-Up | |
|---|---|
40ft lunchroom | $230.00/week |
1000L water tank with pump | $55.00/week |
Chemical toilet (indicative hire cost) | $65.00/week |
Waste tank (indicative hire cost) | $50.00/week |
Total estimated hire costs | $400.00/week |
Min 15kVA generator (indicative hire cost) | $600.00/week |
Diesel fuel (3L/hr × 24hr × 7 days @ $2.50/L) | $1,260.00/week |
Estimated OPEX for generator and diesel only | $1,660.00/week |
Total estimated OPEX — diesel-run set-up | $2,060.00/week |
Solar Site Hub | |
|---|---|
Total estimated OPEX — Site Hub | $1,260.00/week |
Includes solar panels, batteries, lunchroom, water tank with pump, toilet and waste tank. | |
Weekly saving: ~$800 → $25,000+ estimated savings per year
Emissions Breakdown
Each litre of diesel burned emits 2.6kg of CO₂. Based on minimum diesel consumption (3L/hr), a traditional diesel-run set-up produces approximately 1,092kg of CO₂ per week.
The Solar Site Hub cuts emissions by over 95%, reducing CO₂ output by 15,000kg+ per year compared to a traditional diesel-run site shed, while maintaining net zero operation for over 90% of the year.
*All calculations are in AUD. All pricing, specifications, and calculations are accurate at the time of publishing and are subject to change without notice. United Rentals makes no guarantee regarding the accuracy of information after publication. For the most up-to-date details, please contact your United Rentals representative.
The Royal Wolf 40ft Solar Site Hub (Site Office)
Options
- Single or dual toilet fit-outs (male/female)
- Additional partition walls for first aid or offices
- Custom shelving, racking or lockable tool storage
Use Cases
- Remote or off-grid construction sites
- Mining and infrastructure projects
- Emergency response or disaster recovery hubs
- Modular site offices for civil or industrial works
40ft Solar Site Hub (Site Office) FAQs
The 40ft Solar Site Hub (Site Office) is a solar powered, modular container site solution purpose-built to provide rapid-deployment infrastructure on construction, mining, and infrastructure sites. It’s used primarily as a fully equipped site office, off-grid lunchroom, or combination workspace. Designed to deliver full functionality without external utilities, the Solar Site Hub (Site Office) suits remote areas or projects aiming to cut diesel reliance and reduce environmental impact.
Yes. The 40ft Solar Site Hub (Site Office) is engineered for off-grid performance. It includes a roof-mounted solar array and a 20kWH lithium battery system that powers lighting, air conditioning, appliances, and water systems. With no need for diesel generators, it reduces on-site noise, emissions, and servicing requirements—delivering reliable performance even in remote locations. The system can maintain net zero operation for over 90% of the year, making it perfect for projects with strict ESG targets.
A solar powered site office like the 40ft Solar Site Hub (Site Office) can significantly lower operational expenditure. Traditional diesel site sheds often incur high costs for fuel, generator maintenance, and delivery logistics. In contrast, the Solar Site Hub (Site Office)’s solar system minimises running costs, with estimated savings of over $25,000 per year. It also reduces downtime from fuel shortages or generator faults, giving your team a dependable, eco-friendly base of operations.
Yes, the 40ft Solar Site Hub (Site Office) is a flexible modular container site solution that can be tailored to your operational needs. It supports a range of fit-out options including single or dual toilet configurations (male/female), internal partition walls for offices or breakout spaces, and add-ons like shelving and lockable tool storage. The layout can be adapted quickly for crew size or industry requirements.
The off-grid lunchroom configuration includes everything your team needs to stay productive and comfortable: a freestanding kitchenette with hot and cold water, a 190L fridge, boiler, seating for up to 20 staff, and split system air conditioning. It also comes with a self-contained toilet, wash basin, potable water tank, and a 95L grey water tank. All systems run on solar and battery power, making it a true standalone solution that delivers comfort and functionality wherever you need it.
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