Westphal & Company Inc.

Founded in 1931 and headquartered in Madison, Wisconsin, Westphal & Company Inc. is a fourth-generation family-owned business recognized as one of the Midwest’s leading full-service electrical and technologies contractors. The company has built a reputation for integrity and quality while embracing technological advancements to serve clients across the contiguous United States.
In the solar sector specifically, Westphal provides turnkey solutions from system design through installation to ongoing maintenance for projects ranging from 20kW rooftop systems to multi-megawatt utility-scale installations. Their engineering team supports clients with financial modeling as well as navigating available incentives or grants.
Westphal’s portfolio includes high-profile projects such as Monona Grove High School Solar Array and WPL North Rock Solar among others; they were ranked #2 in Wisconsin (#39 nationally) on Solar Power World’s 2023 Top Solar Contractors List after installing over 130 MW of capacity in 2022 alone. They are known for their people-first culture that emphasizes professional growth alongside technical excellence.
The company partners with major industry manufacturers including Canadian Solar, Hanwha Q Cells, Trina (panels), SMA and Solaredge (inverters), ensuring access to proven technology platforms. Their NABCEP-certified installers further underscore their commitment to quality standards within renewable energy deployment.
Beyond solar PV installation itself—including battery storage—Westphal delivers all aspects of electrical construction needed by large institutional facilities down to residential service calls.