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Built in George: A Containerised Solar System for Riverside Lodge

The rooftop panels are the most visible part of Riverside Lodge’s new solar installation. But an important part of the project took shape before the equipment ever reached the lodge.

At Specialized Solar Systems (SSS) in George, a six-metre containerised solar system was designed, assembled and factory-optimised around the client’s requirements. It arrived with its core inverter and battery equipment already installed, ready for positioning and connection to the site’s solar arrays and electrical infrastructure.

This was not simply a container used to store equipment. It was a purpose-built energy system prepared for a property where space, access and existing infrastructure all demanded careful planning.

Victron inverters and battery equipment inside Riverside Lodge’s containerised solar system

Built at SSS in George. Designed around the site.

The container arrived with its core inverter and battery equipment already installed, reducing the amount of complex assembly required on site.

An energy solution for a riverside destination

Situated beside the Orange River in Maletswai, also known as Aliwal North, Riverside Lodge provides accommodation for business and leisure travellers, conference facilities and dining through its Orange Gecko Restaurant and Riverside Lodge Pub and Grill. Its position beside the Hertzog Bridge places it on the N6 route linking the Eastern Cape and Free State.

For this hospitality operation, the project brief was clear: reduce electricity purchased from the municipal grid while providing a limited backup supply. The objective was not to take the entire lodge off-grid.

SSS was contracted through the Green Tourism Incentive Programme (GTIP) to deliver the turnkey installation. The Department of Tourism’s GTIP, managed by the Industrial Development Corporation, supports tourism businesses in adopting energy- and water-efficient solutions.

Why build the system before delivering it?

Riverside Lodge had limited space for the major inverter and battery equipment. Rather than trying to accommodate everything within existing rooms, the solution brought that equipment together inside a six-metre, air-conditioned container.

The container was built and optimised at SSS, with the core equipment pre-installed before delivery. The rooftop panels were installed separately on site.

This approach put the detailed equipment layout and assembly work in the factory, while the site work focused on positioning the completed unit, installing the solar arrays and integrating the system with the lodge’s infrastructure.

The container was not the starting point for an on-site build. It arrived as the core of an already-engineered solution.

The enclosure was also colour-coated to blend with the surrounding buildings, a practical consideration at a property where energy infrastructure needs to fit into a guest environment.

Solar panels on a Riverside Lodge building in Aliwal North, Eastern Cape

Several rooftops, one integrated system

There was no single large roof available to accommodate the full solar installation.

SSS distributed the panels across multiple suitable roof areas. Cable routes were planned to make effective use of the available space while managing installation costs. The project photographs show solar arrays incorporated into several of the lodge’s existing buildings.

The completed installation combines the following equipment:

System elementInstalled configuration
Hybrid inverter capacity90 kVA from six 15 kVA Victron Quattro inverters
Grid-tied solar inverter capacity81 kVA from three Fronius ECO 27 inverters
Solar arrayMore than 100 kWp across multiple rooftops
Battery storage98.4 kWh of LiFePO₄ storage
Generator integrationThe lodge’s existing 175 kVA standby diesel generator

The project is principally AC-coupled, with a smaller DC-coupled solar array connected through a Victron MPPT solar charge controller. These elements form the hybrid system documented in the project report.

Crucially, the existing generator remained part of the energy plan. The design integrated the equipment already available rather than treating the lodge as an empty site.

Containerised solar installation at Riverside Lodge with restricted access and surrounding infrastructure

The challenge was also getting it into position

A factory-built system still needs a carefully planned installation.

At Riverside Lodge, the preferred container location had restricted space and parking access. The client undertook the civil works needed to prepare the area.

An existing sewer line then prevented conventional crane access. Specialised lifting equipment had to be sourced from the nearest major city to position the container at the designated location.

This is an important part of the project’s story. A suitable electrical design alone would not have solved the physical constraints. Delivery access, lifting arrangements, underground infrastructure and the final equipment position all had to work together.

A projected reduction in municipal electricity costs

Based on the load measured during the assessment, the project team estimates that the system could reduce Riverside Lodge’s electricity bill reduction of approximately 70%, with an indicative payback period of approximately 5-7 years, based on the assessed consumption profile and current assumptions.

That figure is a design-stage projection, not a confirmed saving already achieved. Operating data and subsequent electricity bills will be needed to establish the actual result.

The backup provision is also deliberately limited. It should not be interpreted as a promise that every lodge load can run indefinitely without grid or generator support.

The value of the design lies in matching the system to the agreed requirement: lower grid consumption, battery storage and integration with the existing standby generator.

Built around the property – not the other way around

Riverside Lodge demonstrates why commercial solar is about more than selecting panels and batteries.

The available rooftops shaped the solar layout. Limited equipment space led to a containerised solution. Existing infrastructure determined the lifting approach. The client’s assessed electricity use informed the energy design.

SSS brought those requirements together in a system that was prebuilt in George and completed on site around the realities of the lodge.

Solar arrays installed across multiple rooftops at Riverside Lodge in Aliwal North

For hospitality businesses considering a similar approach, explore the SSS energyPOD range or contact Specialized Solar Systems to discuss a project-specific containerised solution.

Built at SSS. Designed around the site.

📞 044 878 1126

✉️ [email protected]

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