Business
Rooftop Solar for Workshops, Warehouses and Factories
For a business the electricity bill is no longer just a cost; it is a figure you can control. We turn your roof into an asset that stabilises your production cost for the long term.
- An investment that fixes your unit cost of electricity from today
- Design optimised around shift patterns and live consumption
- Sustainable profitability with a short payback period
- System type
- Grid-connected, self-consumption focused
- Typical size
- 30 – 500 kWp
- Prerequisite
- Structural suitability report
- Payback
- 4 – 5 years
The right question is not “how many panels fit”
In workshops and industrial plants the right question is not how many panels fit on the roof, but how much of the generated energy is consumed at the right moment. Shift hours, the starting currents of high-power machines (spot welders, lathes, industrial sewing machines) and weekend working patterns all have to be considered together.
A plant working intensively during the day can reach a self-consumption ratio of 90%; in a single-shift plant that figure drops noticeably. Two systems of the same size can therefore give very different payback periods.
Roof safety and engineering discipline
On industrial roofs, structural suitability, maintenance access and fire safety determine performance directly. We give priority to your roof’s load-bearing capacity and to the sealing details.
Rather than maximising capacity, we prefer a design consistent with safe installation and sustainable maintenance. We do not install on a roof whose structural suitability has not been confirmed.
Why we focus on self-consumption
In commercial projects the main determinant of return is the self-consumption ratio. When you use the electricity in your own machines rather than exporting it, its value is calculated at the retail tariff — that is, it reaches its highest value.
Surplus exported to the grid enters the netting mechanism, but because of distribution and system usage charges it does not carry the same value. Building a system larger than your consumption therefore lengthens the payback rather than shortening it.
Frequently asked questions
How long does a factory rooftop system take to pay for itself?
Thanks to industrial tariffs and a high self-consumption ratio, typical payback is 4–5 years. The deciding factor is how much of the generation is consumed on site; in plants working intensively during the day the period is shorter. With a system life of 25–30 years, this is a considerable advantage.
Can solar be installed on a sandwich-panel roof?
In most cases yes, but not without measuring the load-bearing capacity. Panel thickness, purlin spacing and the age of the roof are decisive. If capacity is insufficient, we consider strengthening or an alternative area such as a car park or ground mount.
How large a system am I allowed to install?
Two things set the upper limit: the usable roof area and your contracted capacity. Under unlicensed generation rules the installed capacity cannot exceed the contracted capacity. As a rough guide, each 1 kWp needs about 6 m² of roof.
Does production stop during installation?
No. Assembly takes place on the roof and does not affect production. Only the brief commissioning moment, when the grid connection is made, requires a planned outage — and that is scheduled outside working shifts.
Our other solutions
Write to us
Tell us about your project — send your roof plan or last electricity bill and we will come back in writing with a suitable system size and an indicative price.