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eThekwini Metropolitan Municipality

Solar installers in Durban, KwaZulu-Natal

46 businesses serving Durban, and the local arithmetic behind their quotes: Durban averages 4.9 kWh/m²/day, so a 5 kW array here makes about 14.0 kWh on a June day and 6 975 kWh across the year.

See the 46 listingsGet matched with local installersBest-rated in Durban

How much sun Durban actually gets

Solar quotes are usually written against a national average, and the national average is wrong almost everywhere. Durban averages 4.9 kWh per square metre per day across the year, but the figure that decides whether your system disappoints you is the June one: 3.6, against 6.0 in December. That means a mid-winter day here still delivers about 60% of what a mid-summer day does. Compared with Upington, the sunniest town in this directory, an array in Durban needs to be roughly 27% larger to generate the same number of units in a year.

Annual daily average

4.9

kWh/m²/day

June daily average

3.6

sizes your winter

December daily average

6.0

your best case

Irradiance figures are regional averages of global horizontal irradiance from the published South African solar resource maps. They describe the area, not your specific roof - pitch, orientation and shading can move a real installation 20% either way, which is what a site survey is for.

What installers hit locally in Durban

Durban has the lowest annual irradiance of the major metros, so a Durban array needs roughly 15 percent more installed kW than a Bloemfontein one to produce the same units. It also has the country's worst combination for equipment life: salt air plus year-round humidity. Inverters mounted in an unventilated garage on the coastal strip fail early, and eThekwini requires its own embedded-generation application with a compliant bi-directional meter.

Your tariff and your approval both come from eThekwini Metropolitan Municipality

Durban households are billed by eThekwini Metropolitan Municipality rather than by Eskom, so the rand-per-unit on your bill is set by the municipality's approved tariff schedule and not by the national Homepower rates you will see quoted in most solar articles. That also means any grid-tied inverter has to be registered with eThekwini Metropolitan Municipality and, in most cases, fitted with an approved bi-directional meter before it is legal to run. Ask any installer quoting you to name the registration process they will follow and whether the fee is inside or outside their quoted price - an install that skips it is the installer's shortcut and the homeowner's liability.

What each system size produces in Durban

The table below applies the Durban irradiance figures to the four system configurations most commonly quoted in South Africa. Generation is what the array makes; the saving column counts only the share you actually consume, because most municipalities pay little or nothing for units you export.

SystemSummer dayWinter dayPer yearMonthly savingInstalled costPayback
3 kW grid-tied, no batteryCutting a daytime-heavy bill. Gives you nothing during an outage.14.0 kWh8.4 kWh4 185 kWhR589 - R861R55 000 - R80 0005.3 - 11.3 yrs
5 kW hybrid with 5 kWh batteryLights, plugs, WiFi, TV and a fridge through a typical outage.23.4 kWh14.0 kWh6 975 kWhR1 390 - R2 032R110 000 - R160 0004.5 - 9.6 yrs
8 kW hybrid with 10 kWh batteryA family home keeping most circuits live, geyser excluded.37.4 kWh22.5 kWh11 160 kWhR2 225 - R3 251R170 000 - R240 0004.4 - 9.0 yrs
10 kW hybrid with 15 kWh batteryWhole-home backup including heavy loads, or a small business.46.8 kWh28.1 kWh13 950 kWhR2 781 - R4 064R220 000 - R320 0004.5 - 9.6 yrs

Assumptions, so you can argue with them

Generation = system kW × local irradiance × 0.78 performance ratio, which allows for inverter and cable losses, panel temperature derating, soiling and imperfect roof orientation. Savings count 65% of generation as self-consumed for systems without a battery and 92% for systems with one, valued at R2.60 to R3.80 per unit - the realistic spread across South African municipal and Eskom residential tariffs. Payback is simple payback and assumes electricity prices never rise again, which they will, so treat it as the pessimistic end. It excludes finance costs, maintenance and inverter replacement at roughly year 12. Divide your own bill by your own units to get the rate that applies to you, then rerun the sum in the cost calculator.

What the Durban installer market looks like

These figures are counted across the 46 businesses we hold data for in Durban. They describe the local market rather than any single company, and they are the fastest way to tell whether a quote you have been given is normal for this town or an outlier.

4.8

Median Google rating across 45 rated businesses

1 947

Public reviews behind those ratings

67%

Publish at least one certification (31 of 46)

59%

Offer financing (27 of 46)

Inverter brands installed locally

  • Deye11 of 46
  • Sunsynk11 of 46
  • Victron9 of 46
  • Solis7 of 46
  • Huawei5 of 46

Battery brands installed locally

  • Deye11 of 46
  • Sunsynk11 of 46
  • Victron9 of 46
  • Dyness6 of 46
  • Volta6 of 46

Panel brands installed locally

  • Jinko Solar5 of 46
  • Canadian Solar4 of 46
  • JA Solar4 of 46
  • Bifacial3 of 46
  • LONGi3 of 46

Brand concentration matters more than it looks. Where one inverter brand dominates a town, local spares and someone who knows the firmware are easy to find, and a warranty claim is a phone call. Where you are the only household on an unusual brand, you are the one waiting for a part to be imported. If a Durban quote proposes a brand that appears nowhere in the list above, ask who services it locally before you sign.

Suburbs and areas covered from Durban

Businesses on this page give their base as one of the following. They are listed together because a Durban installer will quote across the metro, and splitting them by suburb would only hide options from you.

Amanzimtoti · Berea · Chatsworth · Gateway · Glenwood · Hillcrest · Kloof · La Lucia · Mount Edgecombe · Musgrave · Newlands East · Phoenix · Pinetown · Reservoir Hills · Tongaat · Umhlanga · Umlazi · Westville

Solar installers serving Durban (46)

Ordered by claim status, then rating, then review volume. A claimed listing means the business has confirmed its own details with us; an unclaimed one is compiled from public sources and may be out of date, which we flag on the profile rather than hide.

Solar in Durban: common questions

Installed prices in Durban follow the national bands: roughly R55,000 to R80,000 for a 3 kW grid-tied array with no battery, R110,000 to R160,000 for a 5 kW hybrid with 5 kWh of storage, and R170,000 to R240,000 for an 8 kW hybrid with 10 kWh. The spread inside each band is mostly battery chemistry, inverter brand and roof complexity, not installer greed - a tile roof with three planes and a long cable run genuinely costs more to do properly than a single-plane IBR roof. What changes locally is not the price but the return: at 4.9 kWh/m²/day, a 5 kW array in Durban generates about 6 975 kWh a year, and that is the number that decides your payback.
This directory currently lists 46 businesses operating in or serving Durban. That is not every installer in town - it is the ones we hold verifiable contact and service data for, plus those who have claimed their own listing. Coverage is strongest in the metros and thinnest in smaller towns, where many installers work from a neighbouring city rather than locally. If you own a solar business here and are not listed, you can claim or add a listing free.
A June day in Durban averages 3.6 kWh/m²/day against an annual average of 4.9. That is the single most important number in a quote and the one most often left out. If an installer sizes your array on the annual average, it will meet your expectations for eight months and miss them for four - and the four it misses are the cold, dark months when your consumption is highest. Ask for the winter generation figure explicitly, in kWh per day, and check it against the number above.
Yes, for anything grid-tied. eThekwini Metropolitan Municipality requires embedded generation to be registered and, in most cases, an approved bi-directional meter fitted before the system is commissioned. Installers vary enormously in whether they handle this or quietly leave it to you - ask directly, get the answer in writing, and confirm whether the registration and meter fees sit inside or outside the quoted price. An unregistered grid-tied system is a live insurance and compliance problem that surfaces at the worst possible moment.
They solve different problems. Panels without a battery cut your bill during daylight and do nothing at all during an outage - the inverter shuts down for safety the moment the grid drops. A battery buys you continuity through load shedding and lets you use evening generation, which is why the saving column for hybrid systems is proportionally higher despite the same array. The honest test is what you are actually buying: if your electricity bill is the problem, panels first is the better rand-for-rand answer. If the problem is that the power goes off, no quantity of panels solves it without storage.
Insist that every quote states the same six things and you can compare them in minutes: panel make, model and quantity; inverter make and model; battery make, usable kWh and warranted cycles; whether a Certificate of Compliance is included; who files the embedded generation registration; and the estimated generation in kWh per day in June, not just an annual or summer figure. Quotes that give you a rand total and a system size and nothing else are not quotes, they are prices - and they are almost always hiding either a thin battery warranty or an unregistered install.

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