By Rex Halbeisen

Transform Your Solar Business

The complete reference guide and resource to transform your solar company to an Energy Technology Systems Integration company

Transform Your Solar Company into an Energy Technology Systems Integration Company

By Rex Halbeisen

In an industry where solar panels once stood alone as the answer to energy independence, the future now belongs to those bold enough to integrate, innovate, and lead. Transform Your Solar Company into an Energy Technology Systems Integration Company is your essential roadmap to evolving from a traditional solar installer into a comprehensive energy solutions provider.

Drawing on proven strategies, industry shifts, and real-world success stories, author and energy entrepreneur Rex Halbeisen shows you how to future-proof your business by embracing the full spectrum of energy technologies—including conservation, efficiency, generation, storage, and smart controls. This practical guide offers a visionary yet actionable framework for:

  • Expanding beyond rooftop solar to include HVAC, insulation, EV chargers, batteries, and demand response.

  • Unlocking recurring revenue through service-based energy offerings.

  • Surviving policy shifts like the ITC step-down and changes in financing models.

  • Partnering with innovators while staying focused on what matters most—your customer relationships.

  • Adopting a systems thinking mindset, aligning your business with the way energy is actually used in homes and small businesses.

Packed with insightful charts, transformation models, and a full ETSI business plan template, this book is a call to action for solar companies ready to move from commodity sales to long-term value creation.

If you’re a solar professional, installer, or integrator who wants to thrive in the next era of energy, this book is your blueprint.