Thermo Group technician installing rooftop solar panels with mountain views in the background in Hout Bay

Affordable Solar Installations Big Bay

Thermo Group — Solar Experts You Can Trust

Reliable, fully qualified solar installations for homes and businesses in Big Bay — honest pricing, no surprises.

At Thermo Group, we design and install complete solar and battery systems throughout Big Bay, part of the Blouberg coastal strip. We plan every Big Bay installation around local roof and site conditions from the first visit, not as an afterthought.

Thinking about solar in Cape Town?

Free solar quotes, no obligation. Installation and City registration handled for you.

Call 021 203 5337 Call 082 302 0683 Get a Free Quote

Free solar quote · no obligation

Tell us about your home in 5 quick steps

No prices on screen and no pushy sales. We call you back the same day, do a free site assessment, then send an accurate written quote.

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Where is the property?

Type of property

Prefer to talk? Call 021 203 5337 or WhatsApp 082 302 0683

Our qualified solar technicians handle the full installation process in Big Bay — from system design and mounting through to inverter setup, battery installation and SSEG registration.

Whether you want a small backup system for essentials or a full system covering your whole home, we size and design around your actual usage and roof, not a generic package. We carry out both residential and commercial solar work.

Two Sunsynk hybrid inverters with Hubble batteries and protection boards in Cape Town

Complete Solar Solutions

Our solar services include:

  • ☀️ Solar panel installations
  • 🔋 Battery storage systems
  • ⚡ Hybrid and backup inverter systems
  • 🏠 Residential solar installations
  • 🏢 Commercial solar installations
  • 🔧 Solar system upgrades and expansions
  • 📋 Electrical compliance and certification
  • 🏙️ SSEG applications and registration
  • 📝 Solar system registration with the City of Cape Town
  • 🔍 Solar system inspections and fault finding
  • 🛠️ Ongoing solar maintenance and servicing

What We Design Around In Big Bay

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Salt Spray On Panels & Mounting

Big Bay’s constant onshore wind carries salt spray that accelerates corrosion on mounting rails, connectors and inverter enclosures faster than inland suburbs, so we use corrosion-resistant hardware.

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Unshaded Coastal Roofs

Big Bay’s newer homes typically have open, unshaded roofs facing the Atlantic, which means strong solar yield but also higher wind-load requirements on panel mounting.

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New-Build Homes, Larger Systems

Recently built double-storey Big Bay homes often want a full-home system from the outset rather than a small backup setup, so we size inverters and battery banks accordingly.

Solar Installation Built For Big Bay’s Coastal Exposure

Big Bay’s fully exposed Atlantic position means strong, consistent solar yield, but the same wind and salt spray that makes the suburb popular also accelerates corrosion on mounting hardware and inverter enclosures faster than in sheltered suburbs. We use corrosion-resistant fixings and rate panel mounting for the higher wind loads this coastline sees.

Thermo Group solar installation in Big Bay, Cape Town

Sizing Your Big Bay System

Most Big Bay homes are recently built with larger roofs and higher electrical loads than older Cape Town housing stock, so we typically size systems to cover more of the home rather than just backup essentials.

Thermo Group solar technicians in Big Bay, Cape Town

Compliance & Registration

We handle the City of Cape Town’s SSEG registration and Notice of Completion as part of every Big Bay installation, so your system is fully compliant and grid-registered from day one.

Book Your Big Bay Solar Installation

Fill out the form below to book a site visit and quote for solar in Big Bay. Already have a system and need maintenance instead? See our dedicated Solar Maintenance & Repairs in Big Bay page.

As trusted solar contractors serving Big Bay, our qualified solar installers provide dedicated solar panel maintenance and PV system maintenance plans, so your investment keeps performing at its best for years to come.

We Don't Just Install — We Maintain

At Thermo Group, our relationship with our Big Bay clients doesn’t end at installation.

We offer ongoing solar maintenance and fault-finding for Big Bay properties, helping catch issues from local conditions before they affect your system’s performance. Our team can assist with panel cleaning, inverter servicing, battery health checks and general system maintenance.

Regular checks help identify potential problems before they cause an outage or affect your system’s output.

Thermo Group solar installers on a roof taking measurements with safety harnesses

SSEG & City of Cape Town Registration

Installing a solar system is only part of the process. Where required, your system must also be properly documented and registered with the City of Cape Town.

Thermo Group can assist clients with the SSEG application and registration process, helping ensure that the required documentation, electrical compliance requirements and system information are correctly dealt with.

Our goal is to make the process as straightforward as possible for the property owner.

Your Local Solar Experts

From design and installation to compliance and ongoing maintenance, Thermo Group provides a complete solar solution for Big Bay properties under one roof.

Driven by Quality. Powered by Trust.

More Solar Services

Explore our full range of solar installation services across Cape Town, see our solar maintenance in Big Bay, or check our Certificate of Compliance services in Big Bay.

Book Your Big Bay Solar Installation

Fill in your details below and our team will contact you to discuss your solar needs in Big Bay.

Quote Request Form

How much does solar installation cost in Big Bay?

It depends on your household’s usage and system size — a small backup system for essentials costs far less than a full system covering your whole home. We assess your usage and roof before quoting.


How long does a solar installation take in Big Bay?

Most residential installations take 1 to 3 days on site, depending on system size and roof complexity, plus the time needed for approvals.


Will solar keep my Big Bay home running during load shedding?

Yes. A correctly installed and configured solar and battery system will keep your essential circuits running during load shedding, and we handle the City of Cape Town’s SSEG registration as part of every installation.


Do you handle compliance certificates for solar systems in Big Bay?

Yes. We issue the Solar Certificate of Compliance your Big Bay installation needs as part of the process.


Do you offer ongoing solar maintenance in Big Bay after installation?

Yes. We offer ongoing maintenance and fault-finding to keep your system performing well for years, whether we installed it or another company did.

Solar Installations & Maintenance in Big Bay

Qualified solar installers serving Big Bay, part of the Blouberg coastal strip — installations, compliance and ongoing maintenance.

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