The Challenge

Solar client SunCommon engaged Terrasmart to build two surface lot canopies for Alchemist Brewery, a craft brewing company catering to the tourism industry in Stowe, Vermont. The project had to be optimized for the region’s rough weather, including heavy snowfall averaging 97.3 inches annually, as well as high wind loads. The tough conditions were exacerbated by weather and logistics, as the project was built over the fall and winter in a rural, mountainous area. 

The Solution

Terrasmart’s expertise in designing for rough weather on solar sites allowed us to accurately calculate wind and snow loads, and subsequently determine the best canopy design for the project. Two trussed structures—comprising 11 columns, 22 truss sections, and purlins—were installed after auguring the holes 10” to 12” deep and setting the rebar reinforcing steel for increased strength. 

Figure 1: A trussed design caters specifically to heavy snow loads.

The structure’s trussed design is not only able to accommodate the client’s 384 bifacial modules but can also withstand snow loads of up to 70psf—above the project requirements of 52.9psf. Additionally, the canopies are built to withstand winds of up to 115mph. As the project was built over winter, the grout was blanketed to keep it from freezing and ensure a smooth installation process. 

The Result 

Terrasmart’s extensive experience building on similar sites in the Northeast ensured that the project was completed within the stipulated time frame. 

Figure 2: Terrasmart’s canopy solution was able to help Alchemist Brewery maximize the use of their customer lot. 

Thanks to the solar canopies, 60% of the brewery’s Stowe customer lot is now protected from the sun and snow. The canopies also generate 145.92kw of power, contributing to the 178kWH of electricity produced by the brewery’s renewable energy assets annually, whilst offsetting 33% of the Stowe site’s total energy consumption. A total of 67% of the brewery’s electricity is now powered by solar, helping the company achieve its sustainability goals as a certified B Corporation. 

The content & opinions in this article are the author’s and do not necessarily represent the views of AltEnergyMag

Terrasmart

Terrasmart, the renewable energy portfolio of Gibraltar (NASDAQ: ROCK), is a leading provider of solar racking technologies, electrical balance-of-system products, installation services, and project optimization software. Harnessing the combined strengths, technical expertise, and heritage of its four brands, the new Terrasmart delivers a holistic project experience and best-in-class solutions across markets, providing leading solar technologies and smart solutions across the project lifecycle to mitigate risks and amplify returns for solar projects of any size, type, and location. Serving the commercial and utility sectors across North America, Terrasmart integrates products and solutions across the PV lifecycle to minimize risks and maximize returns. With over 19 GWs of solar deployed across 4600 PV systems, Terrasmart creates unique value for more profitable solar on any terrain, anywhere in the U.S.

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