Solar Panels, Inverters & Sum Insured: What SA Homeowners Must Include

Quick Summary

Solar systems, security infrastructure, and backup power typically add R250,000 to R500,000+ to your home’s rebuild cost.

Most homeowners don’t include these in their sum insured. This creates massive underinsurance gaps.

What you must do: Add all permanent fixtures (solar, inverters, batteries, security systems, generators) to your sum insured immediately.

You installed solar panels last year. Cost: R280,000. You updated your lifestyle. You didn’t update your sum insured.

A fire damages your roof and solar system. Rebuild cost: R350,000, including solar reinstallation.

Your insurer applies the average formula. You’re underinsured by R280,000. Your payout gets reduced. You pay the gap yourself.

This happens to thousands of homeowners. Here’s how to avoid it.

Why SA Homeowners Are Underinsured

Load shedding pushed South Africans to invest typically R100,000 to R500,000+ in solar and security systems.

These are permanent fixtures that increase rebuild costs. Most homeowners never update their sum insured after installation.

Read how underinsurance costs you money on every claim

Solar Panels & Backup Power Systems

What’s Included

• Solar panels
• Inverters (convert DC to AC)
•  Batteries (store power)
•  Charge controllers, wiring, mounting systems
• Professional installation costs

How Much It Costs

Category	Typical Cost
Entry-level systems (essential power only)	R100,000 to R150,000+
Mid-range systems (most appliances)	R200,000 to R300,000+
High-capacity systems (whole home backup)	R350,000 to R500,000+

These costs typically include: Panels, inverters, batteries, installation, and electrical compliance certificates.

Buildings or Contents Insurance?

If solar components are permanent fixtures (installed and unlikely to be removed), they belong under buildings insurance and must be added to your sum insured.

Permanent (buildings insurance):

• Solar panels mounted to your roof or property
• Inverters wired into your electrical system
• Batteries connected to your solar system
• Fixed generators with permanent installations

Portable (contents insurance):

• Small portable generators
• Standalone UPS units that can be unplugged
• Mobile solar panels for camping

Compliance Requirements

Insurers require installation by certified professionals with a Certificate of Compliance (CoC) and SANS compliance. Without these, claims can be rejected.

Keep safe: CoC from qualified electrician, SANS documentation, installation invoices, warranties.

Sectional Title Complications

If you own a sectional title unit and installed solar panels, notify your body corporate or managing agent immediately.

They must increase the sum insured of your unit’s building cover to explicitly cover your alternative energy equipment.

The panels are common property (on the roof), but batteries and inverters in your unit are yours alone.

Security Systems & Infrastructure

What’s Included & Costs

Category	Typical Cost
Alarm systems	R15,000 -R30,000
Burglar bar	R20,000 -R50,000
Electric fencing	R30,000 to R80,000
Automated gates	R400,000 to R100,000
CCTV cameras	R20,000 to R50,000

Alarm systems (typically ), burglar bars (typically ), electric fencing (typically R30K-R80K), automated gates (typically R40K-R100K), CCTV cameras (typically R20K-R50K).

Total security investment: Typically R100,000 to R200,000+ for comprehensive protection.

All security infrastructure permanently attached to your property is part of the buildings insurance and must be in your sum insured.

Security can save up to 20% on premiums, but infrastructure replacement costs must still be included in your sum insured.

Other SA-Specific Additions

Category	Typical Cost
Rainwater tank	R15,000 – R40,000
Borehole system	R30,000 – R80,000
Water filtration	R10,000 – R30,000
Fixed generator with housing	R50,000 – R150,000
Automated irrigation	R30,000 –  R80,000
Permanent paving	R8,000 to R10,000
Retaining walls	R50,000 – R100,000

All permanent fixtures must be included in your sum insured.

How to Include These in Your Sum Insured

Step 1: Calculate total additional cost (solar + security + water systems + generators + other permanent additions).

Step 2: Contact your insurer with detailed list, installation invoices, Certificates of Compliance, and photos.

Step 3: Insurer increases your sum insured by replacement value. Premium increases slightly but protects against underinsurance.

Step 4: Store all invoices, CoCs, certificates, and warranties safely.

Step 5: Update after every addition. Don’t wait for renewal.

Learn how to calculate your complete sum insured

Common Mistakes to Avoid

Don’t assume solar is automatically covered. You must notify your insurer and update your sum insured.

Don’t use original purchase price from years ago. Use current replacement cost including installation.

Don’t forget installation costs. Reinstalling solar or security costs as much as the equipment itself.

Don’t skip compliance certificates. Claims can be rejected if systems weren’t installed by certified professionals.

Don’t wait for renewal. Update your sum insured immediately after installation.

Frequently Asked Questions

Do I need to tell my insurer about my new solar system?

Yes, immediately. Solar panels and generators are fixed to the property and covered under buildings insurance, but homeowners must inform insurers and adjust total sum insured accordingly.

What happens if my solar system causes a fire?

Insurers require installation by certified professionals with proper compliance certificates. Claims can be rejected if your system wasn’t installed responsibly.

Can I claim for solar panels stolen from my roof?

Yes, if theft is covered in your policy and your sum insured is accurate. Solar panel theft is an emerging trend in SA. Ensure your buildings cover includes theft and your sum insured reflects replacement cost.

Does security equipment lower my insurance premium?

Yes, many insurers offer premium discounts for comprehensive security systems. But you still must include security infrastructure in your sum insured for accurate rebuild cost.

What if I’m renting and installed solar panels?

You need permission from the property owner first. The owner must add the value to their building’s sum insured, as the fixtures increase the property value and fall under the owner’s policy.

Get Your Cover Right From the Start

Solar and security systems typically cost R250,000 to R500,000+. They’re essential infrastructure now, not luxuries.

Update your sum insured the day you install them. Don’t wait for a claim to discover you’re underinsured.

With 21+ years and 197,000+ claims paid, we help homeowners include everything from the start.

Get a Quote | Speak to a Consultant

Related Articles

• Sum Insured Explained: What Every South African Homeowner Must Know
• The Average Formula Explained: Why Underinsurance Costs You on Every Claim
• How to Calculate Your Sum Insured: 3 Methods for SA Homes
• Sum Insured Mistakes: 7 Ways South African Homeowners Get It Wrong

About oobainsure: With 21+ years of experience, we’ve paid 197,000+ claims, delivered R1.2 billion+ to customers, and earned a 9.3/10 TrustIndex rating on Hellopeter. We insure 200,000+ South Africans who trust us with what matters most. Protection you understand.