Evaluating Solar Generation Systems for Commercial Sites

Energy Business Review | Tuesday, November 03, 2026

A manufacturing facility may have plenty of parking space but little roof area suitable for solar panels. Older industrial buildings may also need structural reinforcement to carry the additional weight, making a solar installation more expensive. Installing panels on the ground presents another challenge when the available land is needed for production or future expansion. For commercial property owners, the decision involves more than panel efficiency or the amount of electricity a system can generate. Finding a suitable place for the installation, without disrupting existing operations or adding major construction costs, can determine whether the investment makes sense.

Parking areas offer another possibility. Solar panels can be installed above spaces that are already in use, allowing the same area to serve two purposes. However, conventional solar carports can require large amounts of steel and substantial construction work. The cost depends partly on how the supporting structure is designed, manufactured and assembled. Using standard components can reduce fabrication work and make installation easier across different sites. The structure must still be engineered for local conditions, including wind and snow loads. Some parts of the design may be repeated, while others will need to be adapted to meet the requirements of a particular location.

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Installation is another part of the cost. A structure with numerous connections or complicated assembly steps can take longer to build, even if the materials themselves are reasonably priced. Prefabricated components can reduce the work required on-site, especially for contractors installing systems at several locations. The design also needs enough flexibility to suit different parking layouts and provide the roof angle needed for solar generation. A modular system can make expansion easier if additional parking spaces are covered later, without requiring major changes to the original structure.

The electricity generated can also be used by the facility itself. For businesses with significant daytime power demand, producing electricity on-site may be more practical than developing a separate solar installation that relies on distant transmission infrastructure. A solar parking canopy can provide electricity while also sheltering parked vehicles. The amount of power generated still needs to be compared with the facility’s actual consumption to understand how much can be used directly.

Battery storage and electric vehicle charging may add further value where they are technically suitable and financially justified. These features need to be considered during electrical planning, even if they are not part of the initial installation. That allows owners to distinguish what they need immediately from what they may want to add later. Grid connection requirements will also depend on local regulations and how the system is intended to operate.

Project size can make a considerable difference to cost. Manufacturing and installing the same components repeatedly may become more economical across a large parking facility. A smaller installation covering only a few spaces may not achieve the same savings. Production capacity therefore matters, along with how the supplier expects costs to change as installation volumes increase. This is particularly important for newer systems that have not yet reached large-scale production. If future savings depend on manufacturing partnerships still being developed, those assumptions need to be understood before a major rollout. Structural verification and responsibility for installation should also be established early.

OPENSUN has developed a modular photovoltaic roof structure for commercial parking facilities, using prefabricated steel components that simplify assembly and allow the system to expand across different parking layouts. The design uses a limited number of principal steel elements to reduce structural complexity. It also includes integrated rainwater drainage.

The system is still in the early stages of commercialization. OPENSUN is pursuing production and distribution partnerships to support larger installations, with engineering expertise available to assist partners in further development.

For industrial property owners and infrastructure companies planning solar canopies, the approach offers a way to use existing parking areas for electricity generation without taking up additional land. Its modular design is intended to make construction and future expansion more manageable. OPENSUN is particularly relevant to organizations considering scalable installations that can also support the initial deployment and manufacturing needed to bring the system into wider use.

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