Our Company

    At Blue Oak Energy, we recognize that the transition to clean, renewable energy is a compelling and irreversible trend. We deliver real-world energy solutions unmatched in the industry. 

    What We do

    We design, engineer, finance, install and maintain high-quality solar facilities to bring maximum return on investment. Our installations are backed by a 10-year performance guarantee plus a plan for continuous operation and maintenance.

    Our marquee repeat customers procure substantial savings and new revenue streams from their solar projects. As a financially stable, long-term partner, we are prepared to design, deliver and maintain your solar energy facilities for a lifetime of service.

    Track Record

    Blue Oak brings over a decade of experience and an extensive portfolio of 1,000 plus MW of operational solar facilities. Our projects span the Americas, and we have worked with utility companies and permitting agencies in 35 states.

    Explore our Portfolio









    Building a sustainable energy future is our passion.

    Everything we do is driven by our belief that solar energy should be prioritized over all other energy generation types.


    Founder's Message

    At Blue Oak Energy we've made building a sustainable energy future our priority. We are focused on bringing clean energy to the forefront by implementing quality commercial solar and utility-scale solar projects across the United States. We are professional, motivated, and enthusiastic in our approach.

    Our focus is engineering, construction and system operations for distributed generation solar facilities. This technical depth and clear focus has allowed us to deliver or help deliver some of the most awesome solar projects and solar portfolios in the world.

    Thank you for joining us. Go solar!
    Tobin Booth, CEO




    "The professional care and attention to detail is what differentiates Blue Oak. We could not be more pleased."

    - Meghan Lovelace, Facilicorp


    Tobin Booth

    Tobin Booth, PE

    Founder & CEO

    Tobin Booth founded Blue Oak Energy with the vision that the transition to renewable energy is an essential and irreversible trend. With  20 years of experience in the solar energy industry, he is a dynamic leader who is passionate about innovation and creating an outstanding company culture. Tobin attended Colorado State University where he earned a BS in Mechanical Engineering and is a Licensed Engineer and Licensed Contractor. When he’s not spending time with his family, this avid outdoorsman can be found on the ski slopes and bike trails near his home.

    Danny Lee, PhD

    VP of Business Development

    Danny Lee, PhD is the  VP of Business Development. Danny has been with Blue Oak since 2006 when he started as a Project Engineer. Since then, he has worn a myriad of hats, ranging from Engineering Manager to VP of Sales Development. In his current role, he directs all sales and development activities for Blue Oak Energy and specializes in mechanical design, process control and the all-important art of relationship building. Danny earned his PhD in Mechanical Engineering from UC Davis and has a fantastic family that spans several states and countries.

    Ryan Zahner

    Ryan Zahner, PE

    VP of Operations

    Ryan Zahner, PE is the VP of Operations for Blue Oak Energy. He started with Blue Oak in 2008 as a Project Engineer. Since then, he progressed from Director of Engineering and Construction to his current position. With more than 20 years of engineering, design, testing and management at alternative energy companies, Ryan is a key component to our success. He holds a BS in Mechanical Engineering from Kansas State University and is a Licensed Professional Engineer. In his spare time, his small solar- powered Northern California walnut orchard keeps his bicycling and peak bagging habits in check.

    Cherie Garrett, CPA

    VP of Finance

    Cherie Garret, CPA is the VP of Finance here at Blue Oak Energy. She has over 20 years of experience in financial management and leadership in the public, construction and renewable energy sectors. In her current position, she oversees all activities and polices related to treasury and finance for Blue Oak. Cherie received a BS in Accounting from Upper Iowa University; although originally from Alaska, she loves the warmer climate found in the California central valley.

    Kelly Birkes, PE

    Director of Civil Engineering

    Kelly Birkes, PE is the Director of Civil Engineering for Blue Oak Energy. With more than 30 years in land development and civil engineering, he helps us straddle the grey areas between utility scale solar development and detailed engineering. Kelly operates our civil engineering team and handles the day-to-day management for our highly complex civil engineering efforts. He received a BS in Civil Engineering from California State University Chico  and has engineering management experience extending for more than two decades of his professional career. In Kelly’s spare time, he can usually be found at the family “ranch” that he and his wife built where they and their daughters enjoy tending to their garden, horses and nice mix of other livestock (pets).