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Solar Case Study

American Family Insurance Headquarters
Madison, WI

American Family Insurance partnered with SunPeak to build the largest rooftop solar system in the state of Wisconsin at its national headquarters in Madison. The system supports the campus’ data center and generates more than 7% of the overall facility’s energy needs.

Case Study

Central Storage & Warehouse
Madison, Pleasant Prairie, and Caledonia, WI

Central Storage & Warehouse (CSW), a large refrigerated warehouse company, partnered with SunPeak on three of its largest facilities. SunPeak helped CSW receive federal and state incentives, allowing the projects to be cash flow positive immediately. CSW has the most installed rooftop solar capacity of any private business in the state of Wisconsin.

Solar Case Study

Tyson Foods
Aurora, MO

Tyson Foods, the largest producer of processed protein in the United States, hired SunPeak to build a ground-mounted solar PV system at its feed mill in Aurora, MO. The project was a key component of the company’s “30 by 30” initiative, an effort to reduce greenhouse gas emissions 30% by the year 2030.

Solar Case Study

Thelen Sand & Gravel
Antioch, IL

SunPeak was engaged to complete a substantial solar project to support the high electrical demands of Thelen’s aggregate mining facility. The project, which is one of the largest customer-sited, behind-the-meter installations in the Midwest, was constructed on green space created from mine reclamation. The system offsets more than 30% of the total operation’s power needs using renewable sources.

Solar Case Study

DePauw University
Greencastle, IN

DePauw University, a liberal arts college near Indianapolis, partnered with SunPeak to design and install a rooftop solar PV system for its indoor Tennis and Track Center. The project supported a campus-wide environmental stewardship initiative to both neutralize greenhouse gas emissions and provide educational opportunities for students and faculty around sustainability.

Solar Case Study

Alliant Energy
Customer-sited projects in Kohler and Sheboygan, WI

Alliant Energy, a publicly-traded utility with power generation and distribution subsidiaries throughout Wisconsin and Iowa, partnered with SunPeak to establish its customer-hosted renewables portfolio in Sheboygan County, Wisconsin.

SunPeak worked closely with Alliant Energy and its customers Kohler Company and the City of Sheboygan, to develop and install ground-mounted solar PV systems for both customers. These systems support Alliant Energy's clean energy expansion plans and will help the utility reach its goal of NetZero greenhouse gas emissions by 2035. The projects also complement Kohler and City of Sheboygan's established environmental sustainability and community-building initiatives.

Solar Case Study

Ashley Furniture Industries
Chicago, IL

Ashley Furniture Industries, the world’s largest furniture manufacturer, is a multi-site, nationwide customer with SunPeak. Solar project metrics provided here showcase a single distribution center in Romeoville, Illinois, just outside Chicago. The system generates more than 40% of the facility’s energy needs. 

Solar Case Study

Medtronic
Mystic, CT

International medical technology company Medtronic partnered with SunPeak to design and install a ground-mounted solar PV system to support manufacturing operations at its Mystic, Connecticut facility. The solar project aligns with Medtronic’s corporate stewardship initiative to reduce the energy footprint of its products, and further supports cost savings within its operations.

Solar Case Study

Badger Meter
Milwaukee, WI

Badger Meter, a leading manufacturer of precision flow measurement and control technologies, employed SunPeak to construct a rooftop solar system on its world headquarters and largest production facility. The system generates 11% of the facility’s energy needs and allows the company to operate more efficiently, cost effectively, and minimize its environmental impact.

Solar Case Study

Certco
Madison, WI

Certco, an independent grocery distributor servicing over 200 retail stores throughout the Midwest, engaged SunPeak to build a rooftop solar system on its headquarters. The system allows the organization to operate more sustainably while saving money on its electrical needs.

Solar Case Study

Catalent
Madison, WI

Catalent is an international leader in pharmaceutical and consumer health product development, manufacturing and delivery. The organization engaged SunPeak to build a roof-mounted solar PV system at its biologics and development campus. The system generates over 20% of the facility’s energy needs.

Solar Case Study

Lakefront Brewery
Milwaukee, WI

Lakefront Brewery worked with SunPeak to gain a rooftop solar PV system in order to save on operational costs, contribute to the community, and help innovate its craft brewing process. The system generates nearly 40% of the facility’s energy needs. Lakefront was recently awarded the Travel Green certification by the Wisconsin Department of Tourism for its proactive environmental practices.

Solar Case Study

Adlai E. Stevenson High School
Lincolnshire, IL 

Following a major building expansion project, Adlai E. Stevenson High School, located just outside of Chicago, partnered with SunPeak to design and install a roof-mounted solar PV system to further bolster its sustainability initiatives and lower the school’s energy costs. The project helped Stevenson become the first verified net-zero energy building in the state of Illinois.

Solar Case Study

LNS Pork
Hubbard, IA

LNS Pork, a hog producer in central Iowa, engaged SunPeak to install a ground-mounted solar PV system as an effective way to reduce its electricity costs. SunPeak helped LNS secure state and federal financial assistance for the system, which generates more than 100% of the operation’s energy needs.

Solar Case Study

Reyes Holdings Coca-Cola Bottling Plant
West Dundee, IL

In line with the company’s Corporate Social Responsibility strategy to reduce greenhouse gas emissions and bolster its environmental sustainability, Reyes Holdings partnered with SunPeak to embark on its first solar project, a rooftop installation for its new bottling plant in the Chicagoland area.

SunPeak worked with Reyes Holdings to design a system that supplies more than 60% of the facility’s annual energy needs from solar electricity.

Solar Case Study

Gerald Auto Ford, Genesis, Toyota, and Hyunai
Chicago, IL

Gerald Auto Group partnered with SunPeak to install rooftop solar PV systems at four Chicagoland dealerships. These systems cut utility consumption by an average of 50% for each dealership while providing cost-effective, green energy to support operations and onsite EV chargers. Each installation qualified for multiple financial incentives, including federal tax credits, state incentives, and utility rebates.

Solar Case Study

Lake County Regional Operations Facility
Libertyville, IL

Lake County’s new Regional Operations and Communications Facility (ROC) in the Chicago suburb of Libertyville is a cutting-edge emergency response hub that centralizes key public safety services to enhance coordination across the county.

Designed as a Net Zero energy building, the ROC is powered by a high-capacity solar PV system installed by SunPeak, working in tandem with geothermal energy. This investment reduces long-term operating costs and will generate over 38 million kilowatt hours of clean electricity over the next 30 years, boosting the county's sustainability priorities and cost efficiencies.

Solar Case Study

KwikTrip
Middleton, WI

KwikTrip, a large Midwest-based chain of vertically-integrated convenience stores, has worked with SunPeak to improve its cost efficiencies and reduce its carbon footprint with solar. Metrics provided showcase savings for a single convenience store.

Solar Case Study

T. Wall Properties
Madison, WI

T. Wall Enterprises, a large-scale developer of office, multi-family, and neighborhood communities, has partnered with SunPeak numerous times to enhance its multi-family portfolio with solar PV. Project metrics provided here illustrate a portfolio of nine buildings located in south central Wisconsin. T. Wall has been recognized as a leader in green development, recently receiving the Governor’s Award for Excellence in Energy Efficiency.

Solar Case Study

Holiday Inn Express
Madison, WI

The Holiday Inn Express in Madison, Wisconsin is a mainstay for business and recreational travelers as it’s conveniently located near the convention center, downtown businesses and restaurants, the state capitol building, and the University of Wisconsin’s campus. 

The owners of the hotel partnered with SunPeak to add a rooftop solar system to the property. The system demonstrates the hotel's commitment to sustainability and reduces overall operating costs.