VDN Electrical

14/04/2026

Another client with a long-term relationship with .

We pulled out a very old "other" brand system, and upgraded this Install with the very Best tech available. .

All Hardware supplied by Herholdt's Group

The grid usage dropped to below 14%. Yes, that is 86% "Off-Grid".

2 x 8kW Sigen Inverters, with 4 x 9.04kW Batteries and 38 x 620w Solar Panels.

VDN Electrical

14/04/2026

An Installation that VDN Electrical is very proud of that was completed for a Famous Car brand in Bryanston, synonymous with Performance, Power, Luxury and Prestige. Always at the forefront of Innovation. There was no other choice than to insist on a system supplied by Herholdt's Group .

5 x 25kW Inverters with 20 x 9.04kW Batteries, 207 x 620w Solar Panels. All working through a C180 Gateway.

The ROI on this system just made sense.

23/02/2026

Atess Inverters just keeps on going.

This system consists of an Atess HPS50 Inverter paired with 4 x FreedomWon 80/64 HV Batteries that keeps this SmallHolding going strong.

Inverter, Batteries and Solar panels all Supplied by Herholdt's Group. This was around 3 years ago, with no unnecessary interruptions on site since.

VDN Electrical at its best.

23/02/2026

Flashback to another Clean Sungrow Sungrow Installation done by Team VDN Electrical .

This system in Serengeti Estates have been running effectively without a single comeback for a year.

All Hardware supplied by Herholdt's Group
Always reliable, with exceptional after sales support.

23/02/2026

Having Solar Panels cleaned regularly can improve efficiencies from 10-25% depending on the environment and how often they are cleaned.

Team VDN Electrical makes use of a Telescopic panel cleaning machine to ensure that Solar Panels are properly Cleaned.

19/02/2026

The Sigenergy System commissioned 2 weeks ago is really performing exceptionally.

Another proud VDN Electrical Installation.

1 x 15kW 3phase Sigenergy Inverter
1 x 60kW 3phase Gateway
30 x 620w Solar Panels

Running 65% Off-Grid (Still fine tuning loads)
This with a Pool Pump, Heat Pump, and 6 x Aircons.

All Hardware supplied by Herholdt's Group

19/02/2026

A very Neat system being Installed in Bryanston. Team VDN Electrical hard at work to complete and Commission.

5 x 25kW 3phase Sigen Inverters
10 x 9kW Sigen Batteries
180kW Sigen Gateway
208 x 620w Solar Panels

All materials supplied by Herholdt's Group

Just a sneak peak, we can't wait to share the Final Result.

18/02/2026

This was another strong Finish in 2025 by the VDN Team. This system was installed at a Commercial client in the West Rand. The system consist of the following:

3 x 125kW Sungrow Grid-Tie Inverters
576 x 600w JA Solar Panels

The system has been saving the client money for the past 5 months without any failures. Installed correctly the first time.

With a payback estimated at around 2 years, this is an Investment that makes sense.

All Hardware supplied by Herholdt's Group

VDN Electrical Sungrow

18/02/2026

Our dedicated teams have recently completed the Installation of an Atess RTF600 at a Large Agricultural client.

This is the first of 2 for the same customer. The RTF is connected to an Atess PCS Inverter. We completed the full Installation, from Container reticulation, Installation of Cooling, the RTF Unit, Cabling and Commissioning.

Herholdt's Group LVG Plants VDN Electrical

26/12/2025