We’ve been doing electrical work across Cape Town for years, and the single biggest shift we’ve seen recently is how many homeowners and business owners are making the move to solar. At CNA Electrical, we’ve helped everyone from families in the Southern Suburbs to guesthouse owners on the Atlantic Seaboard get off the uncertainty treadmill — and we’ve learned a few things along the way.

Cape Town Is Practically Made for Solar

Most people don’t realise just how well-positioned Cape Town is for solar power. We get exceptional sunshine year-round, even through winter. Compare that to most of Europe or the UK — where solar is still widely adopted despite far less sun — and the case for Cape Town becomes hard to argue against.

Between Eskom’s consistent tariff increases and the unpredictability of load shedding, a lot of our clients have told us the same thing: they wish they’d done it sooner. The City of Cape Town also supports small-scale solar through its SSEG (Small-Scale Embedded Generation) programme, making the process more accessible than ever.

What the Solar Installation Process Actually Looks Like

One of the most common misconceptions is that solar installation is disruptive or complicated. For most properties, it really isn’t — provided you’re working with people who know what they’re doing.

1
Property Assessment

Before anything gets quoted or ordered, we assess your roof angle, sun exposure, current electricity usage, and whether you’d benefit from battery backup. Every property is different, and a good installer should treat it that way.

2
Custom System Design

A three-bedroom home in the Southern Suburbs has very different requirements to a guesthouse on the Atlantic Seaboard or a warehouse in Montague Gardens. The system we recommend is based on what you actually use — not a one-size-fits-all package.

3
Professional Installation

Panels go up, inverters get fitted, batteries connected if you’ve opted for backup, and all wiring is safely integrated. Everything complies with South African electrical standards, and you receive full Certificate of Compliance documentation.

4
Monitoring & Ongoing Support

Most modern systems come with a monitoring app so you can track energy generation in real time. We also recommend periodic check-ups to keep everything running at peak performance for years to come.

What Can a Residential Solar System Power?

For most residential customers in Cape Town, a well-sized system will keep your home running without interruption. Scale it up and you can cover your geyser, pool pump, and air conditioning too — especially useful for families working remotely.

Lights & plugs
WiFi router
Security system
Refrigerator
Television
Home office
Electric geyser
Pool pump
Air conditioning

Solar for Cape Town Businesses

Businesses across Cape Town — restaurants, hotels, retail stores, offices, warehouses, schools — are under constant pressure from rising operating costs and lost revenue during power interruptions. Solar removes that vulnerability. It reduces overhead and gives you the kind of operational reliability that’s hard to put a price on when you’re trying to serve customers during stage 4.

How Much Does Solar Installation Cost in Cape Town?

The honest answer: it depends.

A small residential system costs considerably less than a large commercial installation. The main variables are the number of panels, whether you want battery storage, the type of inverter, and the complexity of your roof and electrical setup. The best thing to do is get a proper customised quote based on your actual energy usage — not a ballpark figure.

What to Look for in a Solar Installer

This matters more than most people realise. There are a lot of companies offering solar installation in Cape Town right now, and not all of them have qualified electricians on their teams or the right compliance documentation. When comparing installers, make sure they can provide:

  • Qualified, registered electricians doing the work
  • Certificate of Compliance (COC) on completion
  • Warranties on both equipment and workmanship
  • After-installation support — someone you can actually call
  • Transparent, itemised pricing with no hidden costs

Why Clients Choose CNA Electrical

We’re a Cape Town-based electrical and solar company, which means we’re not a national chain dispatching someone you’ve never met. When we do a job, we stand behind it — and we’re here when you need us afterwards.

Whether you need a compact residential system to keep the essentials running or a full commercial installation to protect your business, we help you make the transition properly. No pressure, no upselling — just a straight conversation about what makes sense for your property.