Inverters for sale Johannesburg

Inverters for sale Johannesburg at SP-Energy cover hybrid, off-grid and 3-phase models for homeowners, businesses and farms. Compare Deye, Luxpower and Esener options, then get free help with sizing and a quotation.

Stock is dispatched from our Vanderbijlpark branch, with nationwide delivery in 2 to 5 working days. You can also collect from Midrand, Bloemfontein, Cape Town, Durban, Nelspruit or Gqeberha. Tell us what you need to run, and we’ll help you choose the right size.

Compare Inverters for sale Johannesburg

Our inverters for sale in Johannesburg suit different properties and loads. Start with the type, because each one works differently.

Hybrid inverters work with solar panels, lithium batteries and the grid, which suits many homeowners.
Off-grid inverters run without a grid connection, so farms and lodges can rely on stored solar power.
3-phase inverters suit businesses and factories that have a 3-phase supply and heavier loads.

Browse our hybrid inverters for sale to see the current Deye and Luxpower models. Solar systems run from 5kW to 200kW, so we can quote for a house or a factory. Installers needing a solar inverter for sale Johannesburg can ask us about stock and compatibility before they order.

Size the Inverter Johannesburg Homes Need

Sizing starts with what must keep running during an outage, not the biggest unit on the shelf. We help homeowners and guesthouses list their real loads, then match the inverter to them.

Before you choose from our inverters for sale Johannesburg, run through these 4 checks.

Add up the watts of every appliance you want running at the same time.
Confirm whether your property has a single-phase or 3-phase supply.
Decide how many hours of backup power you need.
Plan for extra batteries now if your loads may grow later.

A smaller home may start at 5kW, while bigger loads can call for 8kW or more. The Luxpower 8kW hybrid inverter is one option when a 5kW unit won’t cover your list. Buyers looking for an inverter for sale near Johannesburg can use these checks across Gauteng.

Safe Inverter Installation Johannesburg Buyers Can Trust

Good paperwork protects your home and your system. The Electrical Installation Regulations, 2009 require a certificate of compliance from a registered person for electrical installations. Ask solar installers in Johannesburg to confirm this before work starts.

Grid-tied systems need extra care too. The PV GreenCard installation process advises checking your municipality or Eskom rules before you buy. It also recommends NRS 097-2-1 certification for inverters. SP-Energy covers equipment supply and complete solar installations. Farms and businesses can start with a free site visit.

Why Buy From SP-Energy

Before you choose between the best solar companies in Johannesburg, check stock, warranty, support and installation. SP-Energy works as a solar shop Johannesburg buyers can phone for practical advice.

Free quotations, system sizing, consultations and site visits.
Local warranty and technical support on trusted solar brands.
Stock held at 6 warehouses across South Africa.
Payment by EFT, card, cash or PayFast.
Installations include a 12-month workmanship warranty, confirmed with your quote.
Complete supply and installation for homes, businesses, factories and farms.

Installers and resellers searching for a solar & inverter warehouse Johannesburg can ask us about stock. Our range includes Deye, Luxpower, Esener, Dyness and Pylontech.

Frequently Asked Questions

What size inverter do I need?

Your inverter size depends on the appliances you must run at once, so add up their watts first.

Is a 3-phase inverter better for businesses?

Yes, a 3-phase inverter is usually the better fit when a business or factory has a 3-phase supply.

What separates hybrid and off-grid inverters?

Hybrid inverters use panels, batteries and the grid together, while off-grid inverters run without any grid connection.

Can SP-Energy quote a full solar system?

Yes, request a free quotation for a solar system for sale in Johannesburg, covering equipment and installation.

Get Your Free Inverter Quotation

Outages and rising electricity bills shouldn’t keep catching you out. Send us your appliance list and property details, and we’ll help you size the right system. Contact our solar team for a quotation you can plan around. Then order from our inverters for sale Johannesburg.

Last Updated: November 2026