A 15 kVA generator delivers approximately 12 kW of usable power — enough to run a small shop or guest house with kitchen equipment and air conditioning on diversity. At 75% load it consumes roughly 3 litres of diesel per hour. In South Africa a 15 kVA silent diesel generator typically costs between R55 000 and R78 000 excluding VAT and installation.
Pricing verified August 2026
Compare full specifications for matching models in the catalogue: 14 kVA Single Phase Silent Diesel Generator, 16 kVA Single Phase Silent Diesel Generator, 12 kVA Single Phase Silent Diesel Generator, 18 kVA Single Phase Silent Diesel Generator, 10 kVA Single Phase Silent Diesel Generator, 20 kVA Three Phase Silent Diesel Generator, 20 kVA Single Phase Silent Diesel Generator and 9 kVA Single Phase Portable Petrol Generator.
Not sure this is the right size? Try our generator sizing calculator, residential estates power solutions and hospitality and lodges power solutions.
A 15 kVA set most often falls into these ranges: diesel generators, single phase generators and silent diesel generators.
Guides that reference 15 kVA sizing: Diesel vs Petrol Generators: Which to Buy in South Africa.
What a 15 kVA generator will run
Running cost at 15 kVA
Available 15 kVA generators
Every 15 kVA unit currently in the range, compared side by side.
| Model | Engine | Prime | Standby | Phase | Fuel @75% | Noise | Weight | Price excl. VAT |
|---|---|---|---|---|---|---|---|---|
| AGP 15 Hyundai Silent | Hyundai DHY15KS | 15 kVA | 16.5 kVA | Single | 3 l/h | 68 dB | 260 kg | R62 500 |
| AGP 15 Perkins Silent | Perkins 403D-15G | 15 kVA | 16.5 kVA | Three | 2.9 l/h | 67 dB | 310 kg | R74 200 |
| AGP 15 FAW Silent | FAW 15G | 15 kVA | 16.5 kVA | Single | 3.1 l/h | 69 dB | 275 kg | R58 900 |
| AGP 15 SDEC Silent | SDEC 4R15 | 15 kVA | 16.5 kVA | Three | 3.05 l/h | 68 dB | 295 kg | R66 800 |
Is 15 kVA the right size?
A 15 kVA set bridges home and light commercial. If your guest house runs multiple split ACs plus a commercial fridge bank, check starting current — 20 kVA may be safer.
15 kVA generator FAQs
Expect roughly R55,000 to R78,000 excl. VAT for a 15 kVA silent diesel set. Engine brand, phase and canopy specification drive most of the spread.
Around 3.0 litres per hour at 75% load, or about R70.50/h at R23.50 per litre.
About 12 kW — a small shop, guest house or compact office with selective air conditioning and kitchen loads.
Both are available. Single-phase suits shops and homes; three-phase suits small commercial boards already wired 400 V.
Pad or frame mount, bunded fuel if required, exhaust routing, earthing and ATS or manual changeover to SANS 10142-1 with CoC.
Often yes for domestic pumps if soft-start or star-delta is used. Direct-on-line large pumps may need the next size up — confirm locked-rotor amps.