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info@cudubholdings.co.za; 

FINANCE AVAILABLE FOR ALL SYSTEMS (RESDENTIAL/COMMERCIAL)


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Introduction

 Cudub Solar (Pty) Ltd is an approved PV GREENCARD installer specialising in the design and installation of commercial and industrial photovoltaic (solar) energy systems across South Africa and neighbouring regions.


We partner with businesses to deliver well-sized, professionally engineered solar solutions that reduce operational energy costs, improve energy security, and enhance long-term financial performance. With over 2,000 solar systems installed in recent years, we have a proven track record of delivering reliable, scalable energy infrastructure for commercial clients.


Our approach is end-to-end and execution driven. We manage the entire project lifecycle in-house, from energy assessments and system design, through permitting, installation, commissioning, and utility interconnection where required. By avoiding subcontracting, we maintain strict quality control, ensure compliance with applicable standards, and deliver consistent project outcomes.


Our multidisciplinary team comprises qualified engineers, certified installers, and experienced technical specialists, all aligned to one objective: enabling businesses to transition to efficient, independent, and resilient energy systems. Each installation is designed to meet commercial load profiles, operational requirements, and compliance obligations.


We recognise that commercial solar investments must deliver measurable returns on investment (ROI). For this reason, our systems are engineered for durability, performance, and long-term value, using proven technologies and best-in-class installation practices.

All commercial installations by Cudub Solar are backed by a 10-year workmanship (labour) warranty, a 25-year manufacturer’s warranty on solar panels, and applicable manufacturer warranties on inverters and battery storage systems, providing our clients with long-term assurance and operational confidence.

Softwares we use

  Sunny Designs: for all designs

Fronius Solar.Configurator: System sizing

 SolarCert Elements: Certifications

HelioScope

SolarEdge Design 

Installation Standards

  

PV Greencard

 NRS-097-2-1 Code for Grid connection of Embedded Generators

NRS-052-2-2:2012 Photovoltaic Systems for use in individual homes, schools and clinics

SANS-10142-1:2009 The wiring of Premise-Low Voltage Installations

International IEC62446 Standards

How we connect you

Site Survey

 

A site survey marks the first and most critical step in the solar project process. During this stage, our design team visits your home or business premises to assess feasibility and confirm available space on the roof or selected ground-mounted location.


The survey includes a detailed evaluation of sun exposure and potential shading, roof pitch and orientation, structural conditions, and any obstacles or constraints that may affect system performance. Additional technical and electrical assessments are also conducted to ensure the proposed solar solution is accurately sized and optimally designed.


This thorough on-site assessment enables us to deliver a precise, efficient, and compliant solar system design tailored to your specific energy requirements and site conditions.

Design

 

Our solar design engineer will assess your historical and current power usage and develop a professionally engineered PV solar solution tailored to the energy requirements and budget of your home or business. This ensures the system is optimally sized to deliver maximum performance, efficiency, and long-term value.  


Contract Negotiating

 Once the project scope and package have been agreed upon, an 80% deposit will be required before or after delivery of materials, depending on the size and complexity of the project. All major system components will be delivered at this stage, excluding cabling.

The remaining 20% balance shall become payable upon completion of the installation and issuance of the Certificate of Compliance (COC).

Installation

 

Installation will commence only once the required deposit has reflected in our account. For smaller projects (Residential), clients may opt to make the deposit after delivery of materials, subject to prior agreement.


Upon receipt of clear written instruction and confirmation of payment terms, the required materials will be scheduled for delivery.

Commissioning

 

Commissioning is the final and critical stage of the solar installation process. During this phase, our technical team conducts a comprehensive inspection and testing of the installed system to ensure it is safe, fully functional, and operating in accordance with design specifications and regulatory requirements.


The commissioning process includes system configuration, inverter and battery parameter setup, performance verification, and safety checks. All electrical connections are tested, and system outputs are verified to confirm optimal operation under real-world conditions.


Once commissioning is successfully completed, the system is formally handed over to the client, along with the necessary documentation and user guidance. This ensures the solar installation is ready for reliable, efficient, and compliant operation from day one.

SPECIALS

SUNGROW HIGH VOLTAGE SOLUTIONS:

Please visit SOLAR SOLUTIONS for more packages. We may not keep the pace with the fact changing prices, kindly request for updated price of a selected package

6kw 1ph Sungrow Hybrid System with 9.6kwh battery Capacity

R68,698.40 Ex VAT

6 x 550W JA/Canadian/Longi Solar Panels

6kw Sungrow 1ph Hybrid Inverter (10years warranty)
6.4kwh Sungrow Lithium Battery (10 years warranty)

AC and DC protection Boxes

All Accessories and Mounting Kits


Expected production 17 units per day


FULL INSTALLATION PLUS COC

8kw 1ph Sungrow Hybrid System with 9.6kwh battery Capacity

R105,217.39 Ex VAT

12 x 550W JA/Canadian/Longi Solar Panels

8kw Sungrow 1ph Hybrid Inverter (10years warranty)
9.6kwh Sungrow Lithium Battery (10 years warranty)

AC and DC protection Boxes

All Accessories and Mounting Kits


Expected production 33 units per day


FULL INSTALLATION PLUS COC

25kw 3ph Sungrow Hybrid System with 25.6kwh battery Capacity

R243,667.60 Ex VAT

39 x 550W JA/Canadian/Longi Solar Panels

25kw Sungrow 3ph Hybrid Inverter (10years warranty) 

25.6kwh Sungrow Lithium Battery (10 years warranty)

AC and DC protection Boxes

All Accessories and Mounting Kits


Expected production 107 units per day


FULL INSTALLATION PLUS COC

10kw 1ph Sungrow Hybrid System with 16kwh battery Capacity

R127,889.20 Ex VAT

20 x 550W JA/Canadian/Longi Solar Panels

10kw Sungrow 1ph Hybrid Inverter (10years warranty)
12.8kwh Sungrow HV Lithium Battery (10 years warranty)

AC and DC protection Boxes

All Accessories and Mounting Kits


Expected production 50 units per day


FULL INSTALLATION PLUS COC

15kw 3ph Sungrow Hybrid System with 16kwh battery Capacity

R171,590.40 Ex VAT

26 x 550W JA/Canadian/Longi Solar Panels

15kw Sungrow 3ph Hybrid Inverter (10years warranty)
16kwh Sungrow Lithium Battery (10 years warranty)

AC and DC protection Boxes

All Accessories and Mounting Kits


Expected production 72 units per day


FULL INSTALLATION PLUS COC

SUNSYNK SOLUTIONS (HV and lv):

5kW Sunsynk Hybrid Solar System

5KW SYSTEM INCL INSTALLATION

R61,713.82 ex VAT

 6 X 550W JA/Canadian/Longi Mono Solar Panels (3.3kwp)

5kw SUNSYNK HYBRID INVERTER (10years warranty)

5.32kWh Eenovance Lithium Battery (10years warranty) OR Freedom Won e-Tower Lithium Battery (10 years warranty)

AC and DC Protection boxes

AC and DC Cables

All accessories and Mounting Kits


Expected production 18 units per day


THE INVERTER GETS EXTENDED WARRANTY TO 10 YEARS


FULL INSTALLATION PLUS COC

8KW SYSTEM INCL INSTALLATION

R108,782.61 ex VAT

 12 X 550W JA/Canadian/Longi Mono Solar Panels (3.3kwp)

8kw SUNSYNK HYBRID INVERTER (5years warranty)

2x Freedom Won e-Tower 5kWh LiFePO4 (10kWh Battery Total) (10 years warranty)

OR 2 X 5.32 Eenovance Lithium Battery (10 years warranty) 

AC and DC Protection boxes

AC and DC Cables

All accessories and Mounting Kits


Expected production 33 units per day


FULL INSTALLATION PLUS COC

50kW High Voltage Sunsynk Hybrid Solar System

50KW SYSTEM INCL INSTALLATION

R548,676.26 ex VAT

 75 X 560W JA/Canadian/Longi Mono Solar Panels (42kWp)

50kw SUNSYNK HYBRID INVERTER HV (10years warranty)

61.44kWh Sunsynk Lithium Battery (10years warranty) 

AC and DC Protection boxes

AC and DC Cables

All accessories and Mounting Kits


Expected production 210 units per day


FULL INSTALLATION PLUS COC

8kW Sunsynk Hybrid Solar System

10KW SYSTEM INCL INSTALLATION

R138,765.02 ex VAT

 16 X 560W JA/Canadian Mono Solar Panels (8.96kwp)

10kw SUNSYNK HYBRID INVERTER (10 years warranty)

3x5.32kWh Sunsynk Lithium Battery (10years warranty)

AC and DC Protection boxes

AC and DC Cables

All accessories and Mounting Kits


Expected production 45 units per day


FULL INSTALLATION PLUS COC

8kW SYSTEM INCL INSTALLATION

R127,896.09 Ex VAT

14 x 550W JA/Canadian Mono Solar Panels (5.5kWp)

8kW  SUNSYNK HYBRID INVERTER With new Sunsynk Data Logger(5years warranty)

3 X 5.32 Eenovance Lithium Battery (10 years warranty) 

AC and DC Protection boxes

AC and DC Cables 

All accessories and Mounting Kits 


Expected Production 42 units per day


FULL INSTALLATION PLUS COC

10kW Sunsynk Hybrid Solar System In Blue Hills Estate

10kW SYSTEM INCL INSTALLATION

R147,715.42 Ex VAT

20 x 550W JA/Canadian Mono Solar Panels (11kWp)

10kW  SUNSYNK HYBRID INVERTER With new Sunsynk Data Logger(5years warranty)

3x Freedom won 5kw etower (15kWh total capacity), 90% DOD (10years warranty) 

AC and DC Protection boxes

AC and DC Cables 

All accessories and Mounting Kits 


Expected Production 55 units per day


FULL INSTALLATION PLUS COC

10kW Sunsynk Hybrid Solar System In Lone Hill

10kW SYSTEM INCL INSTALLATION

R171,716.54 Ex VAT

20 x 550W JA/Canadian Mono Solar Panels (11kWp)

10kW  SUNSYNK HYBRID INVERTER With new Sunsynk Data Logger(5years warranty)

2x10.65kWh Sunsynk Lithium Battery (10 years warranty)

OR


Freedom Won 20kWh 20/16 (10 years warranty)


AC and DC Protection boxes

AC and DC Cables 

All accessories and Mounting Kits 


Expected Production 55 units per day


*****The price EXCLUDES - Battery cabinet, Cabinet mounting brackets and Gen integration*******


FULL INSTALLATION PLUS COC

10kW Sunsynk Hybrid Solar System In Pretoria

10kW SYSTEM INCL INSTALLATION

R126,716.54 Ex VAT

16 x 550W JA/Canadian Mono Solar Panels (98.8kWp)

10kW  SUNSYNK HYBRID INVERTER With new Sunsynk Data Logger(5years warranty)

2x 5.32Wh Sunsynk Lithium Battery (10 years warranty)

OR


2x Freedom Won e-Tower 5kWh LiFePO4 (10 years warranty)


AC and DC Protection boxes

AC and DC Cables 

All accessories and Mounting Kits 


Expected Production 44 units per day


*****The price EXCLUDES - Battery cabinet, Cabinet mounting brackets and Gen integration*******


FULL INSTALLATION PLUS COC

12kW 3phSunsynk Hybrid Solar System In Woodmead

12KW 3PH SYSTEM INCL INSTALLATION

R229,114.74 ex VAT

24 x 550W Canadian Mono Solar Panels

12kw 3ph SUNSYNK HYBRID INVERTER (5years warranty)

 30kwh Freedom Won Home Lite 30/24 Lithium Battery (10years warranty) 

AC and DC Protection

AC and DC Cables

All accessories and Mounting Kits


Expected production 74 units per day


FULL INSTALLATION PLUS COC

25KW 3PHASE HV SYSTEM INSTALLED

R305,161.54 Ex VAT

45 x 550W JA/Canadian Mono Solar Panels 

25kw 3ph HV SUNSYNK HYBRID INVERTER (10years warranty)

Sunsynk   Battery 30.72kWh HV 307.2V HV6-SET-01 (10 years warranty)    

AC and DC Protection boxes

AC and DC Cables
All accessories and Mounting Kits


Expected Production 124 units per day

(Ignore image)


FULL INSTALLATION PLUS COC 

25KW 3PHASE HV SYSTEM INSTALLED

R257,895.54 Ex VAT

30 x 550W JA/Canadian Mono Solar Panels 

25kw 3ph HV SUNSYNK HYBRID INVERTER (10years warranty)

Sunsynk   Battery 25.6kWh HV 256V HV5-SET-01 (10 years warranty)    

AC and DC Protection boxes

AC and DC Cables
All accessories and Mounting Kits


Expected Production 83 units per day

(Ignore image)


FULL INSTALLATION PLUS COC  

12KW 3H SYSTEM INC INSTALLATION

R175,177.34 ex VAT

  

 18 x 550W Canadian/JA Mono Solar Panels 

12kw 3ph SUNSYNK HYBRID INVERTER (10years warranty) 

2x10.65 Sunsynk Lithium Ion (10years warranty) plus Data logger

AC and DC Protection boxes

AC and DC Cables All accessories and Mounting Kits

Expected Production 50 units per day


INVERTER GETS WARRANTY TO 10years


FULL INSTALLATION PLUS COC  

8KW SYSTEM INC INSTALLATION

R124,378.22 Ex VAT

  

12 x 550W Canadian Mono Solar Panels 

8kW SUNSYNK HYBRID INVERTER with new Sunsynk Data Logger (5years warranty) 

Freedom won 5kW 15/12 Lithium batteries 15kWh with 90% DOD  (10 years warranty)

AC and DC Protection boxes

AC and DC Cables All accessories and Mounting Kits

Expected Production 34 units per day


FULL INSTALLATION PLUS COC

8KW SYSTEM INC INSTALLATION

R104,914.02 Ex VAT

  

12x550W JA/Canadian Mono Solar Panels 

8kW SUNSYNK HYBRID INVERTER with new Sunsynk Data Logger (10years warranty) 

10.65kWh Sunsynk Lithium Battery (10 years warranty)

AC and DC Protection boxes

AC and DC Cables All accessories and Mounting Kits

Expected Production 34 units per day


THE INVERTER GETS EXTENDED WARRANTY TO 10YEARS


FULL INSTALLATION PLUS COC

8KW SYSTEM INC INSTALLATION

R159,461.82 Ex VAT

  

16x550W JA/Canadian Mono Solar Panels 

8kW SUNSYNK HYBRID INVERTER with new Sunsynk Data Logger (5years warranty) 

Freedom won 20kW 20/16 Lithium batteries  90% DOD  (10 years warranty)

AC and DC Protection boxes

AC and DC Cables All accessories and Mounting Kits

Expected Production 44 units per day


FULL INSTALLATION PLUS COC

VICTRON SOLUTIONS (lv):

15kVA Victron Solar System in Krugersdorp

15KVA VICTRON SYSTEM INSTALLED

R303,141.07 Ex VAT

 24 X 550W JA/Canadian Solar Panels

15KVA Victron Quattro Inverter (5years extendable warranty)

1xSmartSolar   MPPT RS 450/200 Tr 48V-200A   (5years warranty) 

 Carbo   GX plus 5inch Display (5years warranty)    

20kWh Freedom Won Home Lite (20/16) Lithium Battery (10years warranty)

AC and DC Protection

AC and DC Cables

All accessories and Mounting Kits


Expected production 65Units per day


FULL INSTALLATION PLUS COC 


45kVA 3ph Victron Solar System in Limpopo Lephalale

45KVA VICTRON SYSTEM INSTALLED

R1,146,193.86 Ex VAT

 64 X 550W JA/Canadian Solar Panels

3x15KVA Victron Quattro Inverter (5years extendable warranty)

3xSmartSolar   MPPT RS 450/200 Tr 48V-200A   (5years warranty)  

 Carbo   GX plus 5inch Display (5years warranty)    

3x40kWh Freedom Won Home Lite (40/32) Lithium Battery (10years warranty)

AC and DC Protection

AC and DC Cables

All accessories and Mounting Kits


Expected production 176Units per day


FULL INSTALLATION PLUS COC 


30kVA 3ph Victron Solar System in Hoopstad

30KVA VICTRON SYSTEM INSTALLED

R687,963.26 ex VAT

40 X 550W JA/Canadian Solar Panels

3x10KVA Victron Quattro Inverter (5years extendable warranty)

2xSmartSolar   MPPT RS 450/200 Tr 48V-200A   (5years warranty)  

 Carbo   GX plus 5inch Display (5years warranty)    

3x20kWh Freedom Won Home Lite (20/16) Lithium Battery (10years warranty)

AC and DC Protection

AC and DC Cables

All accessories and Mounting Kits


Expected production 110Units per day


FULL INSTALLATION PLUS COC 


10kVA Victron Solar System in Blue Hills Estate

10KVA VICTRON SYSTEM INSTALLED

R220,500.86 Ex VAT

 14 X 550W JA/Canadian Solar Panels

 Victron   Quattro 48/10000/140/100/100 8000W Inverter/Charger (5years extendable warranty)

1x SmartSolar   MPPT RS 450/100 Tr 48V-100A (5years warranty)    

Carbo   GX plus 5inch Screen (5years warranty)       

3 x 5kWh Freedom Won e-Tower Lithium Battery (10years warranty)

AC and DC Protection

AC and DC Cables

All accessories and Mounting Kits


Expected production 38Units per day


FULL INSTALLATION PLUS COC 


email: info@cudubholdings.co.za; whatsapp +27828359537 or call +27120040460

Reviews

types of solar systems

Off-grid solar system solution (Start from 5kW)

  

This solar system is recommended for Residential or Small businesses. Ideally, an off-grid system is not connected to the electricity grid and requires battery storage. Off-grid solar solutions are supposed to be designed correctly (can be affected by budget) in order to generate enough power throughout the year and have the necessary battery capacity to meet the client’s electrical energy requirements or demand.

Generally, off-grid solar installation sizing or specifications are based on your daily wattage usage and peak Watt-hour requirement. Daily watt-hour usage can normally be calculated from your utility bill over a time-period but may require more accurate usage pattern monitoring with energy metering data loggers.


  Off-Grid Components

Below are the components of an Off-grid system

  1. Solar      Panels
  2. DC-AC      grid-tied solar inverter
  3. Solar      cables
  4. Mounts
  5. Charge Controller
  6. Battery Bank
  7. A Connected Load

Optional off-grid components

  1. A      backup Generator or a Backup Source of power
  2. A      Transfer Switch
  3. AC      Load Center (Existing DB Can be used)
  4. A      DC Load Center

Grid Tie Solar Systems

200kW Grid Tie SolarEdge System

  

Grid tied systems consist of only 2 key components – solar panels and a dedicated grid tied inverter. All the electric power generated by the solar panels feeds through a mains synchronized inverter directly into your distribution board and offsets the power you would normally consume from Eskom. It will of course only do this when the sun shines! If the panels produce more power than what is being consumed at the time, the balance will flow back into the network and it will actually reverse the electricity meter (not all types of meters can do this though). Since no batteries are used, no independent energy can be stored for later use. This means that energy required at night will still be obtained from the network.

Components of a Grid Tied system

1. Solar Panels

2. DC-AC grid-tied solar inverter

3. Solar cables

4. Mounts

Main benefits of Grid Tied Solar PV Systems:

• Energy provided by the Sun – saving money.

• No expensive batteries required.

• Sunlight is directly converted into electricity to use.

• At current electricity costs, system payback is between 4 to 6 years.

• Cost of energy yield fixed for at least 25 years.

• The only home improvement that will save you money on a daily basis!

• No maintenance required.

  

Main disadvantages of Grid Tied Solar PV Systems include:

With no batteries, there is no independent energy storage.

During load shedding or a power outage, the system switched off also.

Current legal issues in South Africa can limit the full benefits in certain applications like being paid for power supplied to the grid by the utility.

Grid Interactive Solar Systems

  

This system is very similar to an off grid stand alone system but has the ability to interact with the public power grid network. Eskom power could be used as a backup source of power when required.

Such a system will automatically switch to Eskom power when no Sun has been available for a period of time or when electricity demand exceeds the ability of the system.

Hybrid Solar Systems

45kVA 3phase Victron Hybrid Solar System for Farms

  

Grid tied systems could be combined with grid interactive systems to create a hybrid system that will still make power available when the grid network is down. Essentially a UPS inverter and battery bank is added to the basic grid tied system.

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