Save on Electricity with Expert Solar Installations

Cut electricity bills by up to 90%, achieve energy independence, and future-proof your property. Registered electrical contractors serving Cape Town.

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Complete Solar & Electrical
Solutions for Every Need

From residential homes to commercial buildings and working farms we engineer, install and maintain solar energy systems that perform.

01

Residential Solar

Power your home independently from load shedding. Custom-designed systems for houses and complexes with full installation and COC.

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02

Commercial Solar

Reduce your business's electricity costs significantly. Large-scale commercial systems designed for maximum ROI and minimal downtime.

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03

Agricultural Solar

Keep your farm productive with reliable off-grid or hybrid solar solutions. Pump systems, irrigation, and full farm power solutions.

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04

Solar Upgrades

Already have solar? Expand your system capacity, upgrade outdated inverters, or add battery storage to an existing installation.

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05

Maintenance & Repairs

Regular servicing, fault diagnosis, and emergency repairs to keep your solar system running at peak efficiency year-round.

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06

Electrical Services

Comprehensive electrical services including fault finding, distribution boards, new installations, and compliance certificates.

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Understanding Solar System Types

Before we recommend anything, we walk every client through their options. The right system depends on your goals, your property, and your budget.

Off-Grid with Grid Backup

Our most popular residential setup. You operate independently from the municipality most of the time, but your grid connection acts as a silent safety net on low-sunshine days. This avoids the large battery bank required for a fully off-grid system, keeping costs reasonable while still protecting you from load shedding completely.

  • Full protection against power outages
  • Battery capacity can be increased over time
  • System switches to grid seamlessly when batteries are low
  • Ideal balance between cost and independence

Grid-Tied Systems (No Batteries)

A grid-tied system feeds solar power directly into your property during daylight hours, reducing what you draw from the municipality. It is the most cost-effective entry point into solar, but it offers no protection during load shedding. When the grid goes down, this system goes down with it.

  • Lower upfront cost — no batteries required
  • Ideal for businesses that operate during daylight hours
  • Reduces daytime electricity costs significantly
  • No backup during outages or load shedding

Choosing the Right Battery

Battery selection is where the most critical — and most costly, mistakes happen in solar installations. Not all batteries are equal. Temperature, ventilation, charge cycles, and peak current requirements all affect performance and lifespan. We spend considerable time researching battery technology so our clients don't have to.

  • Lithium (LiFePO4) outperforms lead-acid over its lifetime
  • Lithium cost per kWh stored is now competitive with lead-acid
  • We only partner with manufacturers who back their warranties
  • Battery capacity can be expanded as your needs grow

Not sure which system is right for you?

Talk to an Expert

Our Accreditations & Affiliations

RC Solar & Electrical is registered with, certified by, and affiliated to the key industry bodies that govern safe, legal, and professional solar and electrical work in South Africa.

Sunsynk
SAIEE
Green Solar
SETA
Department of Labour
ECA
NBCEI
Why Choose RC Solar

Built on Quality, Delivered with Precision

We don't cut corners. Every system we install uses premium Tier-1 components, is engineered for your specific site, and backed by our quality guarantee.

10+ Years Experience

Hundreds of successful installations across residential, commercial, and agricultural sectors.

Engineered Solutions

Each system is custom-designed based on your energy needs, roof orientation, and budget.

Fully Compliant

All installations come with a Certificate of Compliance (COC) and meet SANS standards.

After-Sales Support

We're here after installation too, monitoring, maintenance, and rapid response repairs.

RC Solar technician installing solar panels on a Cape Town home
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How We Size Your Solar System

We base every design on your actual electricity consumption not guesswork. Here's the science behind our sizing process.

The Formula We Use

Based on your average monthly electricity spend, we calculate how many kWh you use. This determines the exact number of panels and batteries needed for your system.

1 kWh costs R3.08 in City of Cape Town
Spending ~R1,500/month = ~487 kWh/month
6 × 545W panels in summer:
6 × 545W = 3,270W total
3,270W ÷ 1000 = 3.27 kW
3.27 kW × 5 sun hours = 16.35 kWh/day
16.35 × 30 days = 490.5 kWh/month

Cape Town enjoys excellent solar irradiance. In summer we calculate with 5 peak sun hours per day one of the best in South Africa.

OUR SIZING PROCESS

1

Analyse Your Bill

We review your monthly electricity spend to determine actual kWh consumption. We look at 3–12 months of data for accuracy.

2

Site Assessment

We assess your roof size, orientation (ideally North-facing), shading, and structural capacity for optimal panel placement.

3

System Design

We calculate the exact number of panels, inverter size, and battery capacity needed to meet your energy goals and budget.

4

Quote & Installation

You receive a detailed, itemised quote with equipment specs. Once approved, we install quickly and professionally.

Let's Design Your
Solar Solution

Tell us about your property and energy needs. We'll get back to you within 24 hours with a custom proposal.

Large solar installation in the Western Cape

Engineered for Performance.
Built to Last.

We install only Tier-1 rated solar panels, hybrid inverters, and lithium battery systems from globally recognised brands. Every installation is engineered to deliver maximum yield for your site-specific conditions.

Tier-1 solar panels with 25-year performance warranty
Hybrid inverters run on solar, battery, or grid seamlessly
LiFePO4 lithium battery storage for safe, long-lasting backup
Professional cable management & weatherproof installation
SANS-compliant wiring with full Certificate of Compliance
Our Work

Recent Installations

Residential solar installation Cape Town
Residential

Bloubergstrand Home 8kW System

Commercial solar installation
Commercial

Office Park 50kW

Farm solar installation
Agricultural

Winelands Farm 30kW

Residential solar panels sunset
Residential

Somerset West 6kW Hybrid

Modern home solar
Residential

Constantia 10kW + Batteries

View All Projects

Ready to Go Solar? Start Today.

Get your free site assessment and custom quote.

What Size System
Do You Need?

Enter your average monthly electricity bill and we'll give you an instant estimate. Based on City of Cape Town's current tariff of R3.08/kWh and 545W panel sizing.

* Based on summer sun hours (5hrs/day). Actual results may vary. Contact us for a proper site assessment.

Common System Sizes

Starter System
Bills R500–R1,000/month
3–4kW
4–6 Panels
Mid-Range System
Bills R1,000–R2,500/month
5–8kW
8–12 Panels
Premium System
Bills R2,500–R5,000/month
10–15kW
16–24 Panels
Commercial System
High-use business customers
20kW+
Custom Design
Client Testimonials

What Our Clients Say

Join hundreds of satisfied homeowners and business owners who have made the switch to solar with RC Solar & Electrical.

"RC Solar transformed our home. Our electricity bill dropped from R3,200 to under R400 per month. The installation was clean, professional, and completed in two days. Highly recommend!"

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Johan van der Berg
Bloubergstrand, Cape Town

"We had RC Solar install a 30kW system on our warehouse. The ROI has been incredible — we recouped our investment in under 3 years. Zero downtime during installation. Exceptional work."

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Sarah Mostert
Montague Gardens, Cape Town

"Load shedding was killing our farm productivity. RC Solar installed a full off-grid system for our irrigation pumps. Best decision we ever made. The team knew exactly what they were doing."

PK
Pieter Kotze
Stellenbosch Winelands