Lancaster, PA
Year Founded: 1969
rettew.com
Total Kilowatts Installed Since Founded: 18,616
RETTEW is a family of companies dedicated to rethinking norms and driving change. We provide a diverse range of services to meet the growing energy needs of our clients and communities. RETTEW is growing rapidly across the U.S. to better serve the renewable energy market with EPC services for C&I solar, utility solar, floating solar, and battery energy storage systems (BESS) solutions. Vertically integrated to provide expertise in engineering, design, permitting, construction, and operations, RETTEW’s dedicated professionals are equipped to navigate challenging regulatory and economic constraints. We look forward to collaborating with owners and developers to drive a successful project.
View 2022 Installation Data by State
| New Jersey | 8,915 |
| Michigan | 1,769 |
View 2021 Installation Data by State
| New Jersey | 3,835 |
| Pennsylvania | 3,674 |
View 2020 Installation Data by State
| Pennsylvania | 420 |