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Blomfontein Dairy Farm – Hybrid Solar System

Mossel Bay/George, Western Cape

Blomfontein Dairy Farm in Mossel Bay/George installed a 90 kVA AC-coupled hybrid solar system with a 113.5 kWp solar array and 100 kWh LiFePO4 battery storage to protect milk production and refrigeration against load-shedding while cutting electricity and diesel costs.

SectorAgriculture
System typeHybrid solar

System at a glance

Installed system ratings, not live operating measurements.

Solar array113.5kWp
90
kVA
Victron
81
kW
Fronius
Installed battery storage100kWh

The challenge

Load-shedding and escalating electricity tariffs threatened milk production, refrigeration, and overall operational continuity at Blomfontein Dairy Farm. The farm required a dependable energy solution to reduce high grid electricity and diesel generator costs while safeguarding daily dairy operations.

The SSS solution

Specialized Solar Systems installed a 90 kVA AC-coupled hybrid solar energy system combining a 113.5 kWp solar PV array (61.8 kWp rooftop and 51.7 kWp ground-mounted) with 100 kWh of LiFePO4 battery storage. Power conversion is managed by six 15 kVA Victron Quattro inverters (90 kVA total) and three 27 kVA Fronius grid-tie inverters (81 kVA total), delivering seamless AC/DC-coupled integration across solar, battery, and grid supply.

Results and benefits

The system ensures continuous, dependable power for refrigeration and critical dairy equipment. The installation cuts CO2 emissions by an estimated 43.92 tons annually, features planned future capacity expansion, and achieves an estimated payback period within 6 years.

Inside the systemView component details
113.5 kWp solar PV array (61.8 kWp rooftop array and 51.7 kWp ground-mounted array)
6 x 15 kVA Victron Quattro inverters (90 kVA total)
3 x 27 kVA Fronius grid-tie inverters (81 kVA total)
100 kWh LiFePO4 battery storage
Seamless AC/DC-coupled integration of solar, battery, and grid supply
Future system expansion planned (planned)
Estimated 43.92 tons annual CO2 reduction

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