On-site, nine metal buildings primarily provide cold storage for their apples after harvest and immediately prior to distribution. Each building was constructed with Ameri-cana siding and Fabral® metal roofing. Five of the nine metal roofs feature direct-attach solar photovoltaics (PV). The PV was secured to the roofs with the S-5-PVKIT^®2.0 solar attachment solution and S-5-S Mini clamps. The remaining, older structures utilize a traditional rail system.

 

The Challenge

The Bailey’s goal is to integrate a vertically holistic approach to sustainable fruit growing and operating their orchard utilizing sustainable materials and renewable energy sources, thereby reducing their carbon footprint and working towards their goal of running a net-zero farm.

Their approach begins with sustainable fruit growing techniques from preparing the land to growing their own apple trees in an on-site nursery. They even cultivate a pollinator habitat and grow native plants for nine species of native bees to provide cross-pollination for the apple trees, in addition to a locust post grove for trellising.

Because the Bailey’s select apple varieties and plant trees based on predicting consumer demands 20 years out, they require buildings that utilize sustainable building components and an energy-efficient power generation system to run the farm.

 

The Solution

The Bailey’s chose to use metal building components not only for their lasting performance and durability but also because of their reflective properties, which lowers the temperature of the building and enhances its cold-storage functionality. They also chose to “go-solar” to supplement the farm’s power generation and in an effort to achieve their goal of operating a net-zero farm.

A standing seam roof was selected to allow direct-attach of the solar panels to the seams or ribs of the roof, preserving the PV assembly’s longevity by providing a penetration-free system.  The PVKIT mounting system was chosen to secure the solar panels to the metal roof because it provides a rail-less, aesthetically-pleasing, penetration-free, and cost-effective solar mounting solution.

Another added benefit for the Bailey’s apple storage is the shaded air space between the solar panels and the metal roof creates a lower surface temperature on the roof and lessens the refrigeration load because the exterior structure is cool, thus creating a more energy-efficient building. Together, the solar PV and the metal building components provide the sustainability the Bailey’s hoped to achieve.

 

Long-Term Outlook

The PV system allows the Bailey’s to realize their long-term sustainability goals and reduce operating costs – getting them closer to their goal of running a net-zero farm.

 

Project Team

Owners: Chip and Karla Bailey

Architect: Secor Engineering

General Contractor: Secor Building Solutions

PV Contractor: LTHS Solar

Electrical Contractor: Lauterborn Electric; Bleier Electric, Inc.

 

Project Stats

Project Size: Nine solar PV systems―total system size, 294.055 kW; 1,083 panels installed

Inverters: Fronius

Roof Profile: Fabral 1 ½” SSR Series; Fabral Grandrib 3

Roofs Measured: approximately 42,000 square feet

Roof Pitch:  6/12; 4/12

S-5! Products Supplied (for 5 of 9 systems):

·         S-5-PVKIT^®2.0 (1,900)

·         S-5-S Mini clamp (1,900)