Why Choose Sunwiwa

SunWiWa offers a wide range of renewable energy options; all tailor-made to accommodate our clients and deliver optimal efficiency, regardless of the size of the residence or enterprise. We specialize in offering complete on/off grid, smart grid solutions to replace the grid related power input, be it to save costs, or to have power in the event of a black-out or at remote places where there no grid available.
SunWiWa holds the exclusive rights to a number of these energy systems and patents in South Africa. This allows us to offer a complete solution from planning and installation to the maintenance of high quality energy solutions. Our local employees, trained by their German counterparts to European standards, are responsible for the installation and maintenance of these plants, hereby acting as a means of job-creation and contributing to the reconstruction and upliftment of local communities.

We intend to be a crucial element within the effort towards a cleaner future, environmentally and economically.

Here’s what sets SunWiWa apart

Product Features:

SOLAR PANEL: SUNMODEL PROTECT SW 250-255 POLY
  • Manufactured in Germany to German manufacturing standards
  • TUV Rheinland Power controlled to guarantee nominal power deviation. The deviation to TUV is maximum 2%
  • Innovative glass technology (front and back) to make weather resistant and robust solar modules
  • Offers higher mechanical resilience and longer service life
  • Positive power tolerance guarantees utmost system efficiency
  • Power tolerance ranges between -0Wp and +5Wp
  • 30 Year linear performance guarantee: a maximum degradation of just 0,35%p.a. provide guaranteed module performance of 90% after 21 years, and 86,85% after 30 years
SOLAR PANEL: SUNMODULE PLUS SW 260-280 MONO
  • Manufactured in Germany to German manufacturing standards, ensuring sustainable product quality
  • TUV Rheinland Power controlled to guarantee nominal power deviation. The deviation to TUV is maximum 2%
  • Innovative glass technology (front and back) to make weather resistant and robust solar modules
  • Offers higher mechanical resilience and longer service life
  • Positive power tolerance guarantees utmost system efficiency
  • Power tolerance ranges between -0Wp and +5Wp
  • 25 Year linear performance guarantee: a maximum degradation of 0,7% p.a., a significant added value compared to the two-phase warranties common in the industry
UNDER CONSTRUCTION / SOLAR PANEL FRAMEWORK
  • High quality aluminium and stainless steel
  • Flexible and modular
  • Durability warranty of 10 years
INVERTERS
  • Integrated intelligent Battery Manager
  • Two fully independent inputs
  • Uninterruptible Power Supply (UPS)
  • Self-sufficient without grid connection
  • 48V lithium-ion battery manager
  • Grid export limiter (on-grid)
  • Integrated remote monitoring & management
SOLAR BATTERIES
  • Energy arbitrage: Time shifting, peak shaving
  • Increasing self-consumptionand bill saving of electricity
  • Uninterruptible Power Supply (UPS)
  • Providing uninterrupted power supply (UPS)
  • Built in BMS for self-diagnostic and balancing
  • High reliability and energy efficiency
  • High cycle and calendar life with proven safety
UNIQUE MOTORING SYSTEM
  • We program the system according to the client’s usage needs for maximum effectiveness
  • Energy is first used from energy harvested from the roof, then energy stored in the batteries power, and lastly from the grid
  • The battery charger is programmed to optimum charge and discharge cycles according to the manufacturer’s specifications of the battery and to prolong battery life
  • Monitoring: Remote monitoring via internet 24/7 from Germany to monitor daily working of the plant and also the distant update of software to stay up to date with ongoing development
SYNCHRONISED THREE-PHASE SOLUTION
  • FeneconSunWiWa Hybrid system is a compact and intelligent electrical storage system, to increase the personal consumption rate and self-sufficiency
  • Hybrid stands for the possibility to use AC and DC generators to charge the Lithium Iron Phosphate battery
  • This storage system offers high flexibility in connecting new PV installations, Windmills and block heating systems
  • LifePO4 battery technology - offers maximum security with usable capacity of 8,5 kWh or 17 kWh
  • Hybrid charging of the battery (both sided) from AC and DC sources
  • Load supply via three integrated bidirectional inverters
  • Three-phase alternating current in On/Off-Grid mode
  • Designed for parallel generation as well as for island-mode
  • Max. generated connected power: 40kW AC connection and 2x4kW AC connection
  • Recharging of battery in the event of a power failure
  • Hybrid: 8kW charger performance for DC connection (PV module)
  • 10kWh battery capacity
  • 3x3 kW charge/discharge capacity - 3phase
  • On-and off-grid synchronised three-phases