ReydsCommercial Solar

500kW · Gauteng

500kW Solar System for Data Centres in Crown Mines

Cut Eskom exposure with engineered three-phase solar PV and battery storage for data centres in Crown Mines, Johannesburg. Typical four-year payback, Section 12B tax deduction in year one, and tariff mitigation against annual increases from City Power.

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Typical payback
3.6 yrs
Yield / kWp
1 700 kWh
Section 12B
100% yr 1
Response
48 hrs

SAPVIA PV GreenCard practices · NRS 097-2-1 · SANS 10142 · Section 12B ready

500kW engineered for Data Centres in Crown Mines

High Eskom tariffs and power instability directly affect data centres operations across Crown Mines, Johannesburg. Reyds provides engineered, three-phase commercial solar PV and battery storage systems tailored for daytime load shifting and peak demand clipping. Sites in Crown Mines sit on the M1 and Main Reef Road, where uptime obligations and cooling energy intensity make generation on site the lowest-risk hedge available.

Dual-purpose carport structures that shade staff and customer parking while generating three-phase power. Data Centres carry a load profile dominated by constant it load plus precision cooling, which is exactly where solar generation overlaps hardest with your billing peaks.

Pair your cooling, refrigeration and commercial aircon systems directly with solar PV generation to cut high peak-demand electrical charges. Thermal pre-cooling during peak irradiance hours shifts chiller demand off the City Power account entirely.

Local grid and industrial context

  • Distribution authority: City Power, feeder capacity confirmed before design freeze
  • Industrial corridor: M1 and Main Reef Road
  • Crown Mines industrial estate
  • HVAC and refrigeration load coupling assessed on every data centre audit

Indicative 500kW build for a data centre in Crown Mines

System capacity
500 kWp (500kW)
Modules
900 x tier-1 Bloomberg-rated monocrystalline
Roof / yard area
~2 800 m2
Inverter platform
2 x 250kW central inverters
Storage option
500kWh containerised LFP
Annual generation
~850 000 kWh
ComponentEngineered specificationStandard
Hybrid / grid-tied invertersSungevity, Atess, Deye and Huawei three-phase 400V units, 30kW to 250kW blocksNRS 097-2-1, IEC 62109
PV modulesTier-1 Bloomberg-rated monocrystalline 555-620Wp, 30-year linear performance warrantyIEC 61215, IEC 61730
Battery storageLithium iron phosphate (LFP) 51.2V cabinets and 233-5 000kWh containerised racks, 6 000+ cycles at 90% DoDIEC 62619, UN38.3
Mounting structuresAluminium rail on IBR / corrugated / standing seam; ballasted or bolted on concrete; galvanised steel ground framesSANS 10160 wind loading
Structural roof load12-18 kg/m2 additional dead load flush-mount, 22-28 kg/m2 tilted arrays, verified per truss designSANS 10162 sign-off
Protection and meteringType 2 SPD, DC isolators, AC changeover, CT metering with remote monitoring portalSANS 10142-1

What is included in Crown Mines

  • Revenue-neutral use of parking area
  • EV charge-point ready
  • Visible sustainability statement
  • SSEG registration and NRS 097-2-1 documentation
  • Remote monitoring portal with performance reporting
  • Section 12B asset register for your auditors

Questions from Crown Mines operators

How long does a 500kW installation in Crown Mines take?

A 500kW plant on a data centre in Crown Mines typically takes 4 to 10 weeks from signed order, including structural assessment, City Power SSEG paperwork and commissioning.

Do we need approval from City Power?

Yes. Any grid-connected embedded generation in Crown Mines, Johannesburg must be registered as SSEG. Reyds handles the full application, professional engineer sign-off and NRS 097-2-1 compliance documentation.

Can the system run our aircon and refrigeration during load shedding?

With hybrid inverters and LFP storage, cooling, refrigeration and commercial aircon can be carried through outages while also clipping peak-demand charges on your data centre account.

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