Year Complete: 2023
Size: 22MWdc
Role: Installation Partner

Equipment: Pieper oversaw pile driving, assembled all major equipment, and completed all DC and AC wiring for this single axis tracker system.

Other: This is the largest PV ground-mount in Dane County and contributed towards the County meeting their goal of powering 100% of their county facilities with renewable electricity.

Year Complete: 2024
Size: 8.6MWdc
Role: Installation Partner

Equipment: Pieper oversaw pile driving, assembled all major equipment, and completed all DC and AC wiring for this single axis tracker system.

Year Complete: 2021
Size: 2.9MWdc
Role: Installation Partner

Equipment: Pieper assembled all major equipment for this ballasted, roof-mount system and completed all DC and AC wiring.

Other: Largest PV roof-mount system in Wisconsin

Year Complete: 2025
Size: 162kWdc
Role: Electrical Subcontractor - New Construction

Equipment: Pieper was hired by Findorff to complete all electrical construction, lighting, and solar for the newly constructed UW CDIS building in Madison. The project consists of 3 arrays: two ballasted and one 7-story-high rooftop trellis.

Year Complete: 2025
Size: 139kWdc
Role: Electrical Subcontractor - New Construction

Equipment: Pieper was hired by the GC to complete all electrical construction, lighting, and solar for the newly constructed Charter Next Generation facility in Milton. The project consists of a fixed tilt ground mount array and CPS string inverter.

Year Complete: 2025
Size: 238kWdc
Role: Self-Developed and Installed

Equipment: Pieper developed this project to offset a portion of this health clinic’s electrical consumption. We designed, engineered, permitted and constructed this ballasted, roof-mount system, as well as applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2025
Size: 6.8MWdc
Role: Installation Partner

Equipment: Pieper oversaw civil engineering, fencing, SWPPP, and pile driving; assembled all major equipment; and completed all DC and AC wiring for this single axis tracker system.

Year Complete: 2025
Size: 190kWdc
Role: Self-Developed and Installed

Equipment: Pieper developed this project to offset a portion of this health clinic’s electrical consumption. We designed, engineered, permitted and constructed this ballasted, roof-mount system, as well as applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2025
Size: 6.8MWdc
Role: Installation Partner

Equipment: Pieper oversaw civil engineering, fencing, SWPPP, and pile driving; assembled all major equipment; and completed all DC and AC wiring for this single axis tracker system.

Year Complete: 2025
Size: 152kWdc
Role: Self-Developed and Installed

Equipment: Pieper developed this project to offset a portion of this health clinic’s electrical consumption. We designed, engineered, permitted and constructed this ballasted, roof-mount system, as well as applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2025
Size: 6.8MWdc
Role: Installation Partner

Equipment: Pieper oversaw civil engineering, fencing, SWPPP, and pile driving; assembled all major equipment; and completed all DC and AC wiring for this single axis tracker system.

Year Complete: 2025
Size: 97kWdc
Role: Self-Developed and Installed

Equipment: Pieper developed this project to offset a portion of this health clinic’s electrical consumption. We designed, engineered, permitted and constructed this ballasted, roof-mount system, as well as applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2024
Size: 48kWdc
Role: Electrical Subcontractor - New Construction

Equipment: Pieper was hired by Ideal Builders to complete all electrical construction, lighting, and solar for the newly constructed Madison Pediatric Dental clinic in Monona. It utilizes non-penetrating ballasted racking and SolarEdge inverters with DC optimizers.

Year Complete: 2024
Size: 332kWdc
Role: Electrical Subcontractor - New Construction

Equipment: The project was designed to help ABB achieve their green energy goals and obtain LEED Building Certification. The PV system was completed in conjunction with full scale electrical construction on this new construction project in New Berlin.

Year Complete: 2024
Size: 357kWdc
Role: Installation Partner

Equipment: Pieper worked in partnership with a developer to complete this ground mount array. We oversaw the foundation installation, assembled all major equipment, including over 655 solar modules and 5 inverters, and completed all DC and AC wiring.

Year Complete: 2023
Size: 115kWdc
Role: Self-Developed and Installed

Equipment: Pieper developed this project to offset a portion of this health clinic’s electrical consumption. We designed, engineered, permitted and constructed this ballasted, roof-mount system, as well as applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2023
Size: 54kWdc
Role: Self-Developed and Installed

Equipment: Equipment: Pieper developed this project to offset a portion of this health clinic’s electrical consumption. We designed, engineered, permitted and constructed this ballasted, roof-mount system, as well as applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2023
Size: 100kWdc
Role: Self-Developed and Installed

Equipment: Pieper added to an existing PV array and sized it to fall within MG&E’s net metering limit. We assembled all major equipment for this ballasted, roof-mount system and completed all DC and AC wiring. We also applied for the Focus on Energy rebate on the customer’s behalf.

Year Complete: 2023
Size: 134kWdc
Role: Installation Partner

Equipment: Pieper worked in partnership with a developer to complete this fixed tilt ground mount array. We oversaw pile driving, assembled all major equipment, and completed all DC and AC wiring for this fixed-tilt ground mount system.

Year Complete: 2023
Size: 155kWdc
Role: Installation Partner

Equipment: Pieper worked in partnership with a developer to complete this 10 degree tilt, ballasted roof mount array. We assembled all major equipment, including over 280 solar modules and 1 SolarEdge inverter, and completed all DC and AC wiring.

Year Complete: 2023
Size: 1MWdc
Role: Installation Partner

Equipment: Pieper worked in partnership with a developer to complete this 10 degree tilt, ballasted roof mount array. We assembled all major equipment, including over 2,500 solar modules, and completed all DC and AC wiring.

Year Complete: 2022
Size: 371kWdc
Role: Installation Partner

Equipment: Pieper worked in partnership with a developer to complete this 10 degree tilt, ballasted roof mount array. We assembled all major equipment, including a robust data acquisition system (DAS), and completed all DC and AC wiring.

Year Complete: 2021
Size: 5.91MWdc
Role: Installation Partner

Equipment: Pieper oversaw pile driving, assembled all major equipment, and completed all DC and AC wiring for this single axis tracking system, which was one of the first of its kind of this size in the state

Year Complete: 2021
Size: 1.88MWdc
Role: Installation Partner

Equipment: Pieper assembled all major equipment for this ballasted, roof-mount system and completed all DC and AC wiring.

Year Complete: 2021
Size: 2.85MWdc
Role: Installation Partner

Equipment: Pieper oversaw pile driving, assembled all major equipment, and completed all DC and AC wiring for this fixed-tilt ground mount system.

Year Complete: 2020
Size: 2.85MWdc
Role: Installation Partner

Equipment: Pieper oversaw pile driving, assembled all major equipment, and completed all DC and AC wiring for this fixed-tilt ground mount system.

Year Complete: 2020
Size: 2.8MWdc
Role: Installation Partner

Equipment: Pieper oversaw raking assembly, installed all major equipment, and completed all DC and AC wiring for this fixed-tilt, ballasted ground mount system.

Other: This non-penetrating ground mount system was placed on one of Milwaukee’s landfills.

Year Complete: 2020
Size: 257Wdc
Role: Installation Partner

Equipment: Pieper assembled all major equipment for this ballasted, roof-mount system and completed all DC and AC wiring.

Year Complete: 2018
Size: 2.2MWdc
Role: Installation Partner

Equipment: Pieper assembled all major equipment for this ballasted, roof-mount system and completed all DC and AC wiring.

Other: Formerly largest PV roof-mount system in Wisconsin. Three different racking styles installed, including ballasted, flush-mount, and east/west oriented.

Year Array Installed: 2012
Role: O&M

Equipment: Pieper inspected and reported on components in various sections of this ballasted, tracking ground mount array. Damaged components were decommissioned and salvageable components were reconfigured to mitigate future environmental damage.

Year Array Installed: 2012
Role: O&M

Equipment: Pieper called upon to troubleshoot and repair failed inverter in ground mount installation

Year Array Installed: 2014
Role: O&M

Equipment: Pieper performed general maintenance on the rooftop and ground arrays, including inspection of modules, racking, DC wiring, grounding, and inverters. Failed inverters were replaced and comprehensive diagnostic testing was performed on the tracker components.

Year Array Installed: 2016
Role: O&M

Equipment: Pieper performed general maintenance on the stationary and tracking ground arrays. Recommendations given for identified areas of concern.

Year Array Installed: 2020
Role: O&M

Equipment: Pieper provides ongoing Preventative Maintenance services for this 1MW ballasted array.

Year Array Installed: 2021
Role: O&M

Equipment: Pieper called upon to troubleshoot and repair failed inverter

Year Array Installed: 2021
Role: O&M

Equipment: Pieper called upon to troubleshoot and repair failed inverter