Combining energy storage with a grid connection, these hybrid solar system can provide you with the flexibility of being able to store the energy generated during the day (‘load shift’) instead of feeding it back into the grid at a typically low feed-in tariff. This allows the stored energy be used in the evening, instead of using grid-energy higher price evening tariffs.
Grid-interactive hybrid solar systems from Specialized Solar Systems deliver advanced energy performance in a complete package. These systems go beyond basic backup by combining solar panels, Victron inverter/chargers, and LiFePO₄ batteries into a single powerful solution.
During the day, solar power supplies household loads while also charging the batteries. Excess energy is stored and later used in the evening when tariffs are higher. If solar production drops, the system can recharge from the grid during off-peak hours. Therefore, you benefit from reliable energy availability, reduced costs, and maximum efficiency in every condition.
Every grid-interactive hybrid solar system includes remote monitoring as standard. With this feature, you can check energy production, track battery status, and manage system performance from anywhere. As a result, you stay in control of your household energy and gain complete peace of mind.
The range offers scalable options to suit different requirements. Smaller kits provide efficient solutions for modest energy demands, while larger systems supply reliable power for households with greater consumption. Because the designs are modular, each installation can expand to meet future needs without replacing the entire system.
Complete solar, battery, and grid integration
Victron inverter/charger technology
Remote monitoring included
Seamless switchover during power failures
Expandable modular designs
As an authorized Victron dealer, Specialized Solar Systems builds systems with trusted components and expert support. Choose our grid-interactive hybrid solar systems for durable, intelligent, and future-ready household energy.
Case Ganzevlei Manor invested in a large-scale solar system to secure energy independence and reduce carbon footprint.
Challenge Unreliable grid power and rising tariffs disrupted operations and guest services. Ganzevlei Manor needed a stable, independent energy solution to ensure comfort, prevent downtime, and protect year-round revenue.
Solution & Impact
45kVA system: 3 x 15kVA Quattron Victron Inverters, 2 x 20kW Fronius Inverters, 20kVA three phase generator, 80kWhrs Freedom Won storage and 44kWp Bificial solar array, 160kWhr/day solar yield
Air B&B, so not interruptions during peak season,
Estimated payback period under 4 years
Timberlake Village – Hybrid Solar System
Wilderness, Western Cape
Case Timberlake Village needed a reliable backup energy system to ensure uninterrupted power for tenants and maintain operational security
Challenge The property required a compact, rapid-deployment solution to safeguard against grid outages while maximizing energy efficiency.
Solution & Impact
3 × 15 kVA Victron Quattro inverters, 2 × 40/32 kWh Freedom Won LiFePO₄ batteries (80 kWh total)
Housed in a robust steel container for safety and long-term reliability
Factory-configured and ready for immediate operation
Thembalethu AC Solar Electrification Pilot Project – Off-Grid Community Solar
George, Western Cape
Case To address the lack of safe electricity in informal settlements, the Thembalethu AC Solar Electrification Pilot Project delivers off-grid, remotely managed AC solar power to 13 households, replacing unsafe and illegal energy sources.
Challenge Unelectrified households relied on dangerous methods to access electricity (including illegal connections). This created high energy insecurity that limited daily life, education, and income-generating activities. Safe, reliable, and sustainable energy access was urgently needed.
Solution & Impact
Off-grid EnergyPod with 6.6 kWp PV, 30 kWh LiFePO₄ batteries, and 15 kVA Victron MultiPlus II inverter capacity.
Five overhead streetlight poles with network cabling for lighting and added security distribute power to the households.
Automated Wh metering and switching with a daily 5 PM reset, shown via a color-coded in-house customer DB display for usage, billing, and overload status.
Household distribution includes 10A DB, sockets, indoor and outdoor lighting, and optional appliances.
Provides safe, reliable power for 13 households, improving education, daily living, and small-business potential.
Case Tuiniqua Care Centre needed a reliable and cost-effective alternative to diesel generators to secure power for its frail care unit and daily operations.
Challenge Escalating diesel costs, fuel dependence, and load-shedding disruptions placed a heavy burden on finances and operations.
Solution & Impact
90 kVA AC-coupled hybrid system: 6 × 15 kVA Victron Quattro inverters, 1 × 27 kVA Fronius Eco, 56.16 kWp PV array, 100 kWh LiFePO₄ storage (80 kWh usable)
Seamless AC/DC-coupled integration with grid and solar backup
246.2 kWh/day, cutting energy costs and reducing carbon footprint
Case A commercial client in George invested in solar to secure energy independence, reduce escalating electricity costs, and improve operational resilience.
Challenge Unreliable grid supply and high tariffs threatened business continuity and affordability.
Solution & Impact
90 kVA AC-coupled hybrid system: 6 × 15 kVA Victron Quattro + 1 × 27 kVA Fronius, 52.1 kWp PV array, 200 kWh LiFePO₄ storage (160 kWh usable)
Seamless AC/DC hybrid integration between solar, battery, and grid
218 kWh/day solar yield, reducing grid reliance and diesel use
Case Mungo Mills at Old Nick Village required a large-scale solar solution to cut rising electricity costs and support its weaving mill and retail operations.
Challenge High daytime consumption and dependency on municipal supply increased operational costs and carbon footprint.
Solution & Impact
110 kVA Solis inverter with 100 kWp PV array (250 × 400 W panels), average 430 kWh/day generation
Seamless grid-tied integration with Bitou Municipality via 300/5 CTs
Continuous daytime supply for weaving mill, workshops, and retail outlets
Excess generation offsets Old Nick Village loads, reducing carbon emissions
Case HoogeKraal Boedery, a working dairy farm near Hoekwil, adopted solar power to reduce dependency on unreliable grid supply and rising electricity costs.
Challenge Frequent load-shedding and escalating Eskom tariffs disrupted essential farm operations and dairy processing.
Case Langhoek Farm required a reliable, efficient solar system to reduce electricity costs, cover essential loads, and support daily agricultural operations.
Challenge Escalating tariffs and reliance on diesel generators created high operating costs and environmental impact.
Case New Harvest commercial facility near George installed solar to reduce escalating daytime electricity costs and improve sustainability performance.
Challenge High daytime consumption and rising Eskom tariffs drove the need for costeffective solar generation.
Solution & Impact
100 kVA grid-tied inverter, 118.9 kWp rooftop PV system
Seamless integration with the municipal grid via net-metering export
Solar supports facility daytime loads such as lighting, offices, refrigeration
Significant utility bill reduction and clean energy generation
Case A working ostrich farm and tourist attraction near Oudtshoorn, introduced solar to mitigate frequent load shedding and high Eskom electricity costs.
Challenge Unreliable grid power and high tariffs disrupted farm operations, guest services, and commercial functions.
Solution & Impact
Six × 10 kVA Victron MultiPlus-II inverters, 85.8 kWp PV, Freedom Won lithium storage (100 kWh capacity)
Seamless integration between solar, battery, and grid backup
Continuous energy supply for farm operations, visitor facilities, refrigeration and machinery
Genevafontein Retirement Village – Hybrid Solar System
George, Western Cape
Case Genevafontein Retirement Village, with 91 units, a Community Centre, and a Frail Care facility, needed a reliable, cost-effective solution to replace costly diesel generators and secure continuous operations.
Challenge Rising electricity tariffs and vulnerable frail care operations made diesel generation unsustainable.
Solution & Impact
45 kVA Victron Quattro hybrid inverters, 27 kVA Fronius grid-tie inverter, 38.8 kWp PV, 60 kWh LiFePO₄ storage
Seamless switchover between solar, battery, and grid supply
Cuts 6.74 tons CO₂ annually and long lifespan performance
Case Thembalethu Square, a retail centre anchored by Shoprite and Boxer, invested in solar to reduce its high utility expenses and lead in sustainable retail development.
Challenge The mall faced soaring electricity bills – approximately R300 000/month – with daytime peak demand during trading hours straining operational budgets.
Solution & Impact
200 kVA grid-tied inverters with roughly 645 PV panels
Seamless grid-tied integration
Powering retail operations, refrigeration, common lighting/security
Saves roughly R30 000/month and cuts ~360 tons CO₂ per year
Estimated payback typically under 6 years (financed via Investec)
Case The Bloem Showgrounds, a key events and exhibition venue, required a largescale renewable solution to reduce reliance on expensive municipal electricity.
Challenge Rising energy costs and high daytime consumption during events placed heavy strain on operating budgets.
Solution & Impact
702 kVA grid-tied inverters, 796 kWp rooftop PV
Seamless integration with existing grid infrastructure
Continuous daytime supply for exhibitions, events, and operations
Significant municipal cost savings and carbon footprint reduction
Garden Route Eye Clinic & Surgical Centre – Healthcare Reliability
George, Western Cape
Case Two leading healthcare facilities in George required a dependable energy solution to ensure uninterrupted surgeries and patient care during load shedding.
Challenge Providing continuous power for critical medical operations while reducing escalating electricity costs.
Solution & Impact
270 kVA AC-coupled hybrid system across three separate installations, 339 kWp PV utilizing both rooftop and carport, 240 kWh LiFePO₄ storage
Seamless switchover between solar, battery, generators and grid supply
Reliable power supply for operating theatres and critical equipment
Energy Pod containerised system for rapid, reliable deployment used for one of the systems. Estimated payback typically under 6 years
Case Watsons, a large meat processing facility, needed a robust, sustainable system to maintain continuous refrigeration and production while reducing costs.
Challenge Heritage building constraints, 24/7 cold storage, and rising grid costs, with zero tolerance for downtime.
Case A busy supermarket needed a cost-effective, resilient energy solution to protect critical refrigeration and service continuity during load shedding.
Challenge Rising electricity costs and unreliable grid supply endangered chilled goods and customer service.
Solution & Impact
85.8 kVA hybrid inverters, 85.8 kWp grid-tied PV and 9.8 kWp backup PV, 64
kWh LiFePO₄ storage
Seamless switchover between solar, battery, and grid supply
Continuous power supply for refrigeration systems and checkout operations
Reliable energy delivery, reducing downtime and spoilage
Garden Route Game Lodge – Hospitality Sustainability
Albertinia, Western Cape
Case A luxury game lodge in the Garden Route commissioned a grid‑tied solar system to reduce energy costs and reinforce its sustainability credentials.
Challenge High Eskom tariffs and the need to lower environmental impact while maintaining guest comfort and operational efficiency.
Solution & Impact
163.8 kWp grid-tied solar, 135 kVA inverters
Delivers 135 kVA of clean energy directly to operations
Powers guest services, lighting, and amenities with renewable energy
Reduces carbon footprint by around 236.3 MWh/year and 170 t CO₂/year
