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Pieper Electric

Pieper Electric

New Berlin, Wisconsin
Year Founded: 1947
pieperpower.com/solar
Total Kilowatts Installed Since Founded: 74,383
Number of Employees: 2,500

Rank: 145

At Pieper Electric, we offer a variety of energy solutions, including solar photovoltaic (PV) design and installation. By investing in sustainable technologies, our customers lower their electricity costs, satisfy corporate sustainability goals, and contribute to national energy independence. We employ designers, engineers, master electricians, NABCEP certified installers, and project managers to develop projects—from design, engineering, permitting, and utility approval—and see them through installation and energization. Furthermore, our service team offers operation and maintenance (O&M) support, including preventative and corrective maintenance. With more than 70 years of experience in the electrical industry, we have established ourselves as an industry leader through our setting of realistic expectations, professionalism, and quality workmanship. We take pride in how our systems function, as well as how they look.

★ 2026 Top Solar Contractors
#145
Overall Rank · 2026 List
No. 145 Solar Contractor in the United States
Solar kW · 2025
12,635
solar kilowatts installed
Primary Service
Electrical Subcontractor
Utility
6,877
kW
C&I
5,758
kW

2025 Solar Installations by State & Territory

State / Territory kW Installed 2025
Wisconsin 12,635 View state list →
← Back to 2026 Top Solar Contractors
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2025
Rank #122  ·  2025 List  ·  2024 Installation Data
U | C&I · EPC
21,450
2024 Installation Data
View 2024 Installation Data by State
Wisconsin 21,450
View 2025 contractor list →
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  • Home
  • Top Solar Contractors
  • Articles
    • Most Recent Posts
    • News
      • Latest News Items
      • SPW State News Hub
      • IRA/OBBBA coverage
      • Solar tariffs
      • U.S. manufacturing updates
    • Featured
      • Latest Feature Stories
      • Benchmarking U.S. Solar Manufacturing
      • SPW’s Rising Stars
      • Trends in Solar
      • The Solar Explorer
  • Policy
    • Latest policy headlines
    • IRA/OBBBA Coverage
    • Tariffs and Court Cases
  • Markets
    • Residential
    • Commercial
    • Community Solar
    • Utility
    • Storage
  • Products
    • 2026 Top Products application
    • Winners of SPW’s 2025 Top Products
    • Batteries and Storage
    • Electric Vehicle (EV)
    • Inverters
      • U.S. solar inverter manufacturers
    • Racking and Mounting
      • U.S. solar mounting manufacturers
    • Software
    • Solar Panels
      • U.S. solar panel manufacturers
  • Resources
    • About SPW
    • Digital Issues
    • Event Coverage
    • Podcasts
    • Product Manufacturing Locations
      • U.S. solar inverter manufacturers
      • U.S. solar mounting manufacturers
      • U.S. solar panel manufacturers
    • Solar Classrooms
    • Suppliers
    • Videos
    • Views
    • Voices
    • Webinars / Digital Events
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  • 2026 Leadership
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  • Advertise
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