top of page

No one knows your business like you do.  We work with you to learn your mission, your goals, and your products and processes.  Through this investigation we methodically search for areas to improve sustainability and reduce energy cost.  Following a measurable and certifiable process with the goal to improve upon your company’s triple bottom line we focus on energy management to reduce the environmental impact and save our clients’ money.

B&W power lines jan-huber-JW39Q6WMNdo-un
Randy C.jpg


Randy Rankin is President of Sustainable Engineering LLC. Prior to starting Sustainable Engineering he has served both large and small businesses in rolls ranging from principal engineer to program manager to CFO.  Randy holds an MS in Renewable Energy and Sustainable Systems from Pennsylvania State University with an emphasis on grid edge technologies, power market infrastructure, policy, smart grid, and distributed energy systems.  He is an experienced project manager and certified Project Management Professional focusing on quality, cost, and schedule.  Randy holds a BS in Chemical Engineering from NMSU and is a registered PE with decades of experience in high energy chemical technologies where he led research in chemical lasers. In addition he holds a MS in Industrial Engineering from NMSU with a focus in business management and process optimization.


In his spare time Randy is a mentor for FIRST™ robotics ProjectNEO – FRC Team 1164 and enjoys hiking outdoors.

  • LinkedIn
Adam A.jpg


Adam Dirth is the Renewable Energy & Efficiency Engineer at Sustainable Engineering LLC.  He is an experienced Project Engineer and Program Manager with certifications in construction quality management, Six Sigma process improvement, and an experienced safety leader.  Adam is a graduate of the Penn State University Renewable Energy & Sustainability Systems (PSU-RESS) program with dual emphasis in both wind and solar project development. Other key focuses of his studies include performing sustainable system Life Cycle Assessments and Life Cycle Cost Assessments. He also has hands-on experience with wind turbine system design and installation. As a Registered Professional Engineer with an undergraduate degree in Mechanical Engineering from the University of Texas he has the foundation to guide any small and large-scale projects for Sustainable Engineering clients. 

In his spare time Adam volunteers with several organization ranging from installing solar PV systems to educating children in Peru on the effects of Climate Change. He enjoys every opportunity to be outdoors and is an avid cyclist.

  • LinkedIn

Our Sustainability Commitments

The Sustainable Development Goals are a collection of 17 interlinked global goals designed to be a "blueprint to achieve a better and more sustainable future for all". These shared goals were adopted by all United Nations Member States in 2015 and are intended to achieve peace and prosperity for people and the planet. Sustainable Engineering is able to contribute to this global blueprint by contributing to the following three goals. 

Sustainable Engineering ensures access to affordable, reliable, sustainable, and modern energy for all by designing microgrids and renewable energy systems. Our goal is to offer affordable decarbonization solutions for every client we interact with.

Sustainable Engineering ensures businesses and organizations invest in sustainable consumption and production patterns by providing energy assessments. Energy efficiency and conservation methods not only save money, but also conserve limited resources.

By promoting goals 7 and 12 Sustainable Engineering is able to take urgent action to combat climate change and its impacts. Sustainable Engineering was founded on the core principle of preserving our ecosystems by preventing and mitigating the effects of climate change. 

bottom of page