About Mac Greine Energy Corp

Solar Company in El Segundo, California.

Welcome to Mac Greine Energy Corp. We are a Roofing, Solar, Energy Efficiency and Sustainability Company. Our ownership has over 12 years in the industry and has built a reputation for having the best customer service, installation, and project management. Our HQ is in Los Angeles with regional offices in Indianapolis & Indiana. By combining our outstanding product lines with in-depth knowledge, support services, financing opportunities, and custom turnkey solutions, you can be sure that Mac Greine Energy Corp is your best choice.

Mac Greine Energy Corp provides roofing and solar energy solutions to residential, commercial, government, and non-profit consumers.

We Do It All

  • Solar Panels
  • Electric Vehicle Chargers
  • Solar Thermal Panels
  • Solar Water Heaters
  • Roofing
  • Energy Efficiency Lighting

When You Install a Solar System, You Can:

  • Increase the Value of your Property
  • Reduce or Eliminate your Energy Bills
  • Help Save our Environment

Are you ready to find out what Mac Greine can do for your home or business? Contact us right now to schedule a time for your free estimate or visit our Why Solar page to learn more about why you should go green.

Solar Installer El Segundo


Our Mission

We aim to deliver high-quality projects on schedule that fit your budget. We will maintain the highest levels of professionalism and honesty. We earn our reputation, and we will want to repeat business with our customers, so we will ensure that you have a good experience. We love what we do and it shows!


Our Team

Daryl Trew - CEO

Daryl has over 26 years in management and over 12 years in the renewable industry. He has recognized as an expert in Solar PV and Solar Thermal Design.

Richard Hassan – President

Richard brings more than 25 years of management experience in roofing, facilities and construction management.

Laurie Trew – Operations & Strategic Planning

Laurie has over 30 years in service and warranty administration.

Jorge Reyes – Installations (Solar Project Management)

Jorge has been working in the solar industry since 1989 and has received his OSHA 10 and OSHA 30 cards. He specializes in photovoltaic solar, domestic hot water, and pool heating (residential and commercial).

Makena Trew – Marketing, Public Relations, & Social Networking

Makena has been involved in marking for 2 years and has won several awards in the marketing field.

Moises Martinez – Roofing Project Manager

Moises has been in the family roofing business for 25 years specializing in residential, industrial and commercial.

Solar Company El Segundo

Take the First Step Toward A Brighter Future

Contact us at (310) 428-1749 or request a free site assessment online. A Mac Greine Energy Corp representative will schedule a visit, evaluate your solar power options, and show how you can gain energy independence with a solar system.