The Powin Way

Driven to Lead

With a visionary investment from leading green-tech capital fund SFCE, Powin Energy set out to create dynamic energy storage solutions.  

Our proprietary Battery Energy Storage System (BESS) advances Powin Energy’s mission and battles global energy inefficiencies head-on.

Every BESS is layered with performance and safety in mind.

See the tech inside

The BESS is already at work for our visionary partners.

See it in action

A Formula for Success


For over two decades Powin Corporation has been designing and manufacturing high-quality products for the globalized world.


The Bonneville Power Administration turned to Powin Energy, with its deep rooted business experience in the Pacific Northwest and abroad, to showcase our energy storage and battery management solutions applied at multiple points on their grid.


The results of the two year study are clear: optimized battery storage reduces inefficiencies, increases interconnectability, and maximizes grid flexibility.

Learn more about our project with BPA

Read White Paper

Built on Experience


Joseph Lu


Joseph Lu is the Chief Executive Officer of Powin Energy. Lu has over 30 years of management and international business experience, including serving as president of multiple successful companies in Taiwan. He has proven expertise in international trade, marketing, manufacturing, and supply chain management. Lu founded Powin Corporation (Powin Energy’s parent company) in 1989 and still serves as its Chairman of the Board. He received dual degrees from the University of Taipei in Chinese Culture and Chemistry.

Geoffrey Brown


Geoffrey Brown is the President of Powin Energy. He is an engineer and businessman with over 10 years of cleantech experience with companies like NRG Renew, Beacon Power, Element Power, and Garrad Hassan America. Brown led renewable and energy storage sales efforts to utility and industrial customers across North America and played a key role in the development of more than 10 gigawatts of utility scale wind projects. Brown holds a Bachelor of Science in Biological and Environmental Engineering degree from Cornell University and a Master of Science degree from Loughborough University’s Center for Renewable Energy System Technologies (CREST).

Mike Wietecki

General Counsel

Mike serves as the General Counsel and Secretary of Powin Energy. In that role he oversees the legal needs of the organization and assists in developing strategy, managing various business issues and generally supporting the fast evolving needs of this dynamic organization.

Mike has a diverse background covering securities, litigation and risk management, M&A, sustainability, regulatory compliance and operations. Work history includes advising both public and private businesses, ranging from start-ups to multi-billion dollar multinationals, and covers an array of complex legal and business issues including contract negotiation, domestic and international regulation, liability, litigation, environmental, land use, and tax and entity structuring. Track record includes advising multiple stakeholders such as boards, CEOs, and CFOs during dynamic business changes.

Mike has a J.D. from the University of St. Thomas, a Master of Science degree in Natural Resource Economics and Sustainability from the University of Minnesota, and a Bachelor of Arts from the University of St. Thomas.

In his spare time Mike teaches downhill skiing and with his wife Jenny, chases their two sons, down mountains, across bike trails, over beaches, and through forests on their many family adventures.

Jan Jacobson

VP of Business Development

As Vice President of Business Development, Jan leads the expansion of Powin Energy’s commercial enterprise. His expertise leadership includes: strategy, institutional sales, new market development, product management, and policy.

Jan has extensive experience across each of the critical scales and technologies in renewable and distributed energy resources. Prior to joining Powin Energy, Jan led project deployment and technical business development for behind-the-meter energy storage leader Stem, where he oversaw the majority of that company’s current installed capacity. Before his time at Stem, he led project development for fuel cell startup Bloom Energy in both the Western U.S. and Asia. Jan’s distributed energy expertise was built on a strong foundation of utility scale project development in his previous stints at Pacific Gas & Electric and Acciona, where large wind projects he led are still generating energy today.

Jan earned both a Bachelor of Science in Biological Systems Engineering and a Master of Science in Civil Engineering from the University of Wisconsin-Madison.

Danny Lu

VP of Sales & Marketing

Danny Lu is Powin Energy’s Vice President of Sales & Marketing and has over six years of successful marketing, financial structuring, pricing, and negotiation experience in the energy storage industry. Lu was previously the Vice President of Global Procurement for Powin Corporation and he led the establishment of lucrative business partnerships in the United States, China, and Mexico. In September of 2013, Lu was appointed to Powin Corporation’s board of directors. He graduated from the University of Oregon with a Bachelor of Science in International Business Studies (focusing on China).

Robert Tyrrell

VP of Products

Robert Tyrrell is the Vice President of Products at Powin Energy. Robert brings a highly technical background to energy storage. He received a Bachelor of Science in Electrical Engineering from Florida Atlantic University and studied Nuclear Reactor Operations and Electronics in the United States Navy. Robert also has over 15 years of product management, manufacturing, and supply chain operations experience with companies such as ABB, Philips Medical Systems, and Health Watch. He has a M.B.A. degree in International Business from the Rotterdam School of Management in the Netherlands.

Virgil Beaston


Virgil Beaston is the Senior Vice President and Chief Technology Officer (CTO) for Powin Energy and has been with the company since 2011. Beaston has over 10 years of experience in the battery and energy storage industry and is often asked to speak publicly as a subject matter expert. He views business and the rapidly growing storage sector from a unique perspective as he previously was a patent attorney at an intellectual property firm and then was the co-founder and CTO of Greensmith Energy Management Solutions. Beaston is an inventor, lawyer, and engineer with impressive academic credentials: Doctorate of Law, Masters in Electrical Engineering, and a Bachelor of Science in Applied Physics and Electrical Engineering.

Stu Statman

Head of Product and Engineering

Michael Potter

Director Corporate Finance

Jennifer Young

Director of Human Resources

LeeAnn Zhao


Deborah Li

Director of Operations

Clark Aganon

Director of Marketing development

Wendy Luo

Director of Supply Chain and Manufacturing

Jeanne Liu

Director of Logistics

Lucas Li

Technical Prochurement Manager

Esther Ahronheim

Sr. Director Programs and Product

Blake Rector

Director of Analytics

Paul Kirschner

Electrical Engineer

Dylan Thomas-Vance

Director of QA

Allie Huang

Operation assistant

Vu Dang

System Operator

Pat Emmons

QA HW Testing Engineer and Lab Manager

Cara Guynup

Senior Technical Project Manager

Colleen Anderson

QA Black Box Test Engineer

Sanjeev Sekar

Software Engineer

Eric Ellingson

Software Engineer

Jason Coigny

Electrical Engineer

Amanda Yeo

Office Manager

With an experienced staff of design, logistics, engineering, and manufacturing experts, Powin has delivered high-quality products for its clients for over twenty years.

Turning its focus to energy solutions, Powin Energy is leveraging their deep industrial knowledge to address the world’s growing need to provide more efficient and intelligent energy sources.