GroDev

GroDev Your preferred Electrical & Alternative Energy Supplier & Installer.

These 605W+ Aiko panels are crushing it on this residential roof – big power, minimal fuss!Introduced to us by 's Group,...
26/02/2026

These 605W+ Aiko panels are crushing it on this residential roof – big power, minimal fuss!
Introduced to us by 's Group, the Comet series (605–630W+) delivers up to 24.4% efficiency and killer partial shading optimization (shaded cells barely impact output – ABC tech at its best).

Grateful for the premium supply!

An old favourite we're still so proud of: our 300kW Sigenergy commercial beast!Timeless quality, massive impact. Thanks ...
26/02/2026

An old favourite we're still so proud of: our 300kW Sigenergy commercial beast!
Timeless quality, massive impact. Thanks to Herholdt's GroupHerholdt's Group for the supply support and SigenergySigenergy for the incredible tech!




"Quick add-on win: Eenovance batteries integrate perfectly with existing SunSynk setups – expand your storage without ha...
26/02/2026

"Quick add-on win: Eenovance batteries integrate perfectly with existing SunSynk setups – expand your storage without hassle!
Big thanks to Herholdt's Group for the reliable supply.

From initial mounting to final commissioning, this one came together smoothly with zero complications. Sungrow's reliabl...
25/02/2026

From initial mounting to final commissioning, this one came together smoothly with zero complications. Sungrow's reliable hybrid inverter delivers solid 10kW performance, seamless grid-tie/backup capability, and high efficiency – perfect for residential or small commercial setups here in SA.
Massive thanks to our trusted supplier Herholdt's Group for stocking premium Sungrow gear and providing the support that lets us deliver top-quality installs every time.

24/02/2026

Another beautiful 25kW Sigenergy installation complete! Clean, professional, future-proof.
Massive thanks to our supplier Herholdt's Group for the top-quality Sigenergy gear and great support.
Shoutout too to Sigenergy for the innovative tech.
Full video below 👇


Address

5 Samanie Avenue
Roodepoort
1709

Telephone

+27646035295

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