
Phase Energy · Three-phase solar
Commercial solar, built around your business.
Plan an installed solar and storage system above 50 kW. Choose equipment-only supply when you already have an installer.
Illustrative conceptDesigned for your load
More than a bigger inverter.
A warehouse, workshop, office or retail site has its own demand profile. We start with your electricity use, essential loads, operating hours and available roof or ground space, then prepare a configuration that makes sense for your business.
Use solar while you work
For businesses with daytime demand, a solar-led design can offset part of the electricity bought from the grid. The proposed array depends on available space, shading and your actual consumption.
Prioritise essential operations
Specify the circuits that matter during an outage. Battery capacity, inverter output and motor starting loads are assessed together; backup duration depends on the loads you choose to support.
Plan the next stage
If expansion is part of your plan, tell us at the start. We can assess a staged design and compatible equipment rather than assume every inverter or battery can be added to later.
Choose how we deliver your system.
Commercial solar with installation
A site-specific proposal for equipment and installation, coordinated through our nationwide installation network. Your quotation will list inverter capacity, panel quantity and wattage, battery capacity where required, mounting, protection, cabling and the agreed installation work.
Site access, roof condition, distribution-board work, metering, commissioning, compliance documentation and any municipal or utility requirements are assessed and itemised in the written scope.
Commercial kits — supply only
An equipment package for your own qualified installer. We specify the inverter, solar modules, compatible battery system where selected and the accessories actually included in your quotation.
Labour, installation, commissioning, compliance documentation and connection approvals are excluded unless expressly included in writing. The installer must verify the final design and site requirements.
Commercial systems above 50kW are quoted to specification. We do not present a universal kit or fixed installed price before checking the site. Inverter output (kW), solar-array size (kWp) and battery energy (kWh) are different ratings and will be listed separately in your proposal.
Compare commercial system starting points.
Use these examples to discuss the scale of your project. We check load, site conditions, battery discharge limits, connection requirements and the exact equipment before quoting.

80 kW commercial solar
Warehouses and daytime operations
- Hybrid inverter capacity
- 1 × 80 kW
- Solar array
- 60 × 600 W
36 kWp - Nominal storage
- 62 kWh
100 kW commercial solar
Retail, cold storage and farms
- Hybrid inverter capacity
- 2 × 50 kW
- Solar array
- 100 × 600 W
60 kWp - Nominal storage
- 124 kWh
200 kW commercial solar
Industrial sites and phased expansion
- Hybrid inverter capacity
- 4 × 50 kW
- Solar array
- 200 × 600 W
120 kWp - Nominal storage
- 248 kWh
Installation and commissioning are itemised in your proposal. For an equipment-only schedule, request a supply-only commercial quote.
From electricity bill to a clear proposal.
Send your site information
Share your location, recent electricity bills, operating hours, supply phase and a list of equipment you want to keep running. Roof and electrical-board photos help us prepare for an assessment.
Agree the design and scope
We assess your requirements and prepare a written equipment schedule, installation scope where selected, exclusions, lead time and payment terms. Generation and savings estimates depend on site conditions.
Supply, install and hand over
Once you accept the proposal and agreed payment terms are met, we arrange procurement and delivery. Installed projects follow the agreed installation, commissioning and handover schedule.
Commercial solar questions
Can I buy a commercial package without installation?
Yes. Request a supply-only commercial kit and tell us who will carry out the installation. We will provide an equipment schedule so your installer can check suitability before you accept the quotation.
Will the system power every load during an outage?
Only loads included in the final backup design can be supported. Large motors, heating equipment and other high-demand loads need a specific assessment. A solar-only installation does not automatically provide outage backup.
Are grid connection and export approvals included?
Requirements vary by location and supply authority. Your proposal will state which application, metering and compliance work is included. Export permission is not assumed.
Does the online delivery offer cover a commercial project?
Online stock orders over R25,000 qualify for free nationwide courier delivery. Commercial installation, specialist freight, unloading and site work are set out separately in the project quotation; free courier delivery does not mean free installation.
Let’s plan your commercial system.
Email sales@phaseenergysa.co.za or call 067 902 0697.
Visit Phase Energy at Unit D7, Mikro Industrial Park, Strydompark, Randburg, 2194. Walk-ins are welcome; a commercial site assessment is arranged separately.
Start my commercial quotation