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As one of the leading solar equipment distributors in the United States, we pride ourselves on offering our hardworking contractor community a select group of Tier 1 products from leading PV, inverter, racking, and storage manufacturers.

Watch now to learn the complexities of commercial solar, and how a careful inverter choice can optimize the project while complying with the latest code requirements.

To help get everyone up to speed on what makes commercial systems engineered with Fronius Symo Advanced easy to design, install, and maintain, we cover the Fronius approach to shade mitigation, MPPT, and module-level rapid shutdown with SunSpec + APSmart.

You already know our U.S. Product Manager Kate Collardson from our Solar Tech Talk solar nerd podcast series. Here she welcomes Yi Kang, Applications & Technical Support Manager in APsmart MLRSD Solution and Braulio Escobar, Regional Sales Manager at Fronius USA.

Skip the Warehouse Pickup with Webstore Ordering

Installers across the country are saving time by using our one-of-a-kind BayWa r.e. Webstore, shipping nationwide from one of our regional hubs — including our new REC modules. Together with our always helpful regional sales reps, we’ll help you plan out your procurement strategy so your jobs get done on track and on time.

David Dunlap BayWa Leadership

Tiernay began her solar career in 2010 and has since worked in various specialties throughout the industry. Her work at a solar installation company doing grassroots marketing and her time at a start-up originating utility-scale projects has helped Tiernay develop a broad understanding of the industry. After several roles in sales at BayWa r.e. Solar Distribution, Tiernay now leads the Key Accounts team to help customers identify patterns in their businesses and evolve their processes for success.

Tiernay holds an MBA and a Bachelor’s in International/Global Studies from the University of Arizona, where she also served as an adjunct professor of business communications. When she isn’t digging into data to find efficiency opportunities for our customers, Tiernay can be found hiking or climbing in the Sonoran Desert with her partner and pups.

BayWa r.e. Solar Systems LLC supplies residential and commercial solar installers in the United States with quality solar + storage components, forecasting, business planning advice, and a community of experts. Visit to read our industry insights articles and stream our Solar Tech Talk and Solar Town Hall podcasts on YouTube and Spotify. Follow us on LinkedIn, Twitter, and Facebook to stay connected. Ask us about our Split Pay financing program and use our industry-leading Webstore to save time, get gear shipped, and get jobs done! Part of the BayWa r.e. Global family of renewable energy companies.