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SunGreen Systems uses S-5! for solar attachment solution for California’s largest commercial solar + energy storage system.

Project at a Glance

“SunGreen Systems specializes in challenging and unique projects, and S-5! is what we pull out of
our toolbox for metal roofs. There is a myriad of reasons to choose S-5! from reliability, cost and ease of installation, which our customers appreciate. It demonstrates to them that we choose the right products for each project and S-5! has a solution for every metal roof we come across with rail and rail-less solutions.”

— John Hoffman, CEO, SunGreen Systems Inc.

The Situation & Results

With more than 60 furnaces for vacuum heat treating and brazing services, ranging from lab-size research and development furnaces to the largest commercial vacuum furnace (48 feet long, 150,000-pound capacity), the site experiences very high energy demands and energy charges. The customer requested the largest solar system the building could handle. The solar installer, SunGreen Systems worked with its energy storage partner, Stem, to propose a combined solar and Tesla battery storage system to shave the demand and arbitrage energy. They chose S-5! products because the solar attachments provided design flexibility in attachment locations. In addition, the lightweight solution allowed them to avoid costly retrofits. During initial client meetings, SunGreen Systems demonstrated the reliable racking solution via a sample kit provided by S-5!―enabling the client to find the right clamp for the project and allowing them to see first-hand the factory-installed gaskets that would preserve the building’s integrity.

SunGreen Systems needed a solar attachment solution for California’s largest commercial solar + energy storage system. They required a mounting system that would allow for flexibility in design and achieve maximum roof coverage.

What Worked?

Structural Engineering Firm, Lex 3 Engineering was brought in to measure the roof profile, including the height of the ridges, the gauge, the rafters and the girders. From there, they would need to complete the structural engineering required for the project.

Due to the facility’s high level of energy consumption, solar installer Sunfind Solar was charged with fitting as much solar on the roof as possible and finding an economical anchoring system that together would meet the engineering requirements.

The S-5! team worked with SunGreen Systems to obtain a BOM for the project so they could determine their exact costs for such a large project. Additionally, the S-5! team
worked hands-on with their crew on site to demonstrate best practices for rail-less installation, including advance module preparation while other crew members completed the electrical work. The investment was particularly attractive to SCA because of two federal tax incentives and additional state-sponsored incentives. The company expects a full return on investment within 30-36 months.

Long-Term Outlook

Solar Atmospheres has supplemented its high demand for power generation via the state’s largest commercial solar + energy storage system. The S-5! solar solution provided an aesthetically pleasing, cost-effective PV mounting system –
enabling the client to avoid costly retrofits.

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S-5! Products Used

The RibBracket is the perfect attachment solution for specific North American trapezoidal, exposed-fastened metal roofs. These profiles are commonly referred to as R-Panel or PBR-Panel. Mount HVAC, walkways, snow guards, railed PV systems, and more to your metal roof. You can also pair this metal roof bracket with the S-5-PVKIT® for rail-less (direct-attach™) solar PV mounting. When additional height is desired with the S-5-PVKIT, use RibBracket III. With the RibBracket, there are no messy sealants to apply. The factory-applied, EPDM rubber gasket weatherproofs and makes installation easy. The reservoir conceals EPDM from UV exposure, preventing drying and cracking.

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